Attachment 128018 Details for Bug 97344 – dmesg.txt

dmesg.txt

dmesg.txt (text/plain), 230.85 KB, created by Leho Kraav (:macmaN :lkraav) on 2016-11-16 19:15:02 UTC

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Creator: Leho Kraav (:macmaN :lkraav)

Created: 2016-11-16 19:15:02 UTC

Size: 230.85 KB

patch

obsolete

>[    0.000000] Linux version 4.9.0-rc5-bfq-gentoo+ (leho@gusto) (gcc version 4.9.3 (Gentoo 4.9.3 p1.2, pie-0.6.3) ) #20 SMP PREEMPT Mon Nov 14 00:48:41 EET 2016
>[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.9.0-rc5-bfq-gentoo+ root=UUID=712de7fe-cf7d-4b05-abb0-7419a965ac1b rd.luks.uuid= rd.luks.uuid= rd.luks.allow-discards rd.vconsole.font=ter-112n quiet splash
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
>[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
>[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
>[    0.000000] x86/fpu: Using 'eager' FPU context switches.
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000004efff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000004f000-0x000000000004ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000050000-0x000000000009efff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000c3aecfff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000c3aed000-0x00000000c3af3fff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x00000000c3af4000-0x00000000c472dfff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000c472e000-0x00000000c4c12fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000c4c13000-0x00000000d7db3fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000d7db4000-0x00000000d7ffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000d8000000-0x00000000d8758fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000d8759000-0x00000000d87fffff] type 20
>[    0.000000] BIOS-e820: [mem 0x00000000d8800000-0x00000000d8fa9fff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000d8faa000-0x00000000d8ffffff] ACPI data
>[    0.000000] BIOS-e820: [mem 0x00000000d9000000-0x00000000da71bfff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000da71c000-0x00000000da7fffff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x00000000da800000-0x00000000dbceafff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000dbceb000-0x00000000dbffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000dd000000-0x00000000df1fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed03fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000041edfffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] efi: EFI v2.31 by American Megatrends
>[    0.000000] efi:  ACPI 2.0=0xd8feb000  ACPI=0xd8feb000  SMBIOS=0xf04c0  MPS=0xfd6d0 
>[    0.000000] SMBIOS 2.7 present.
>[    0.000000] DMI: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] e820: last_pfn = 0x41ee00 max_arch_pfn = 0x400000000
>[    0.000000] MTRR default type: uncachable
>[    0.000000] MTRR fixed ranges enabled:
>[    0.000000]   00000-9FFFF write-back
>[    0.000000]   A0000-BFFFF uncachable
>[    0.000000]   C0000-CFFFF write-protect
>[    0.000000]   D0000-DFFFF uncachable
>[    0.000000]   E0000-FFFFF write-protect
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 0000000000 mask 7C00000000 write-back
>[    0.000000]   1 base 0400000000 mask 7FE0000000 write-back
>[    0.000000]   2 base 00E0000000 mask 7FE0000000 uncachable
>[    0.000000]   3 base 00DE000000 mask 7FFE000000 uncachable
>[    0.000000]   4 base 00DD000000 mask 7FFF000000 uncachable
>[    0.000000]   5 base 041F000000 mask 7FFF000000 uncachable
>[    0.000000]   6 base 041EE00000 mask 7FFFE00000 uncachable
>[    0.000000]   7 disabled
>[    0.000000]   8 disabled
>[    0.000000]   9 disabled
>[    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WC  UC- WT  
>[    0.000000] total RAM covered: 16318M
>[    0.000000]  gran_size: 64K 	chunk_size: 64K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 128K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 256K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 512K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 1M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 64K 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 64K 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 64K 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 64K 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 64K 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 64K 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 64K 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 64K 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 128K 	chunk_size: 128K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 256K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 512K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 1M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 128K 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 128K 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 128K 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 128K 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 128K 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 128K 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 128K 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 128K 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 256K 	chunk_size: 256K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 512K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 1M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 256K 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 256K 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 256K 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 256K 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 256K 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 256K 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 256K 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 256K 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 512K 	chunk_size: 512K 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 512K 	chunk_size: 1M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 512K 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 512K 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 512K 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 512K 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 512K 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 512K 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 512K 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 512K 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 512K 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 512K 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 512K 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 1M 	chunk_size: 1M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 1M 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 1M 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 1M 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 1M 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 1M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 1M 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 1M 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 1M 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 1M 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 1M 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 1M 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 2M 	chunk_size: 2M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 2M 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 2M 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 2M 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 2M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 2M 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 2M 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 2M 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 2M 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000]  gran_size: 2M 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 0G
>[    0.000000] *BAD*gran_size: 2M 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1G
>[    0.000000]  gran_size: 4M 	chunk_size: 4M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 4M 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 4M 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 4M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 4M 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 2M
>[    0.000000]  gran_size: 4M 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 2M
>[    0.000000]  gran_size: 4M 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 2M
>[    0.000000]  gran_size: 4M 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 2M
>[    0.000000]  gran_size: 4M 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 2M
>[    0.000000] *BAD*gran_size: 4M 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1022M
>[    0.000000]  gran_size: 8M 	chunk_size: 8M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 8M 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000] *BAD*gran_size: 8M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: -18M
>[    0.000000]  gran_size: 8M 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 6M
>[    0.000000]  gran_size: 8M 	chunk_size: 128M 	num_reg: 10  	lose cover RAM: 6M
>[    0.000000]  gran_size: 8M 	chunk_size: 256M 	num_reg: 10  	lose cover RAM: 6M
>[    0.000000]  gran_size: 8M 	chunk_size: 512M 	num_reg: 10  	lose cover RAM: 6M
>[    0.000000]  gran_size: 8M 	chunk_size: 1G 	num_reg: 10  	lose cover RAM: 6M
>[    0.000000] *BAD*gran_size: 8M 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: -1018M
>[    0.000000]  gran_size: 16M 	chunk_size: 16M 	num_reg: 10  	lose cover RAM: 110M
>[    0.000000]  gran_size: 16M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: 238M
>[    0.000000]  gran_size: 16M 	chunk_size: 64M 	num_reg: 9  	lose cover RAM: 14M
>[    0.000000]  gran_size: 16M 	chunk_size: 128M 	num_reg: 9  	lose cover RAM: 14M
>[    0.000000]  gran_size: 16M 	chunk_size: 256M 	num_reg: 9  	lose cover RAM: 14M
>[    0.000000]  gran_size: 16M 	chunk_size: 512M 	num_reg: 9  	lose cover RAM: 14M
>[    0.000000]  gran_size: 16M 	chunk_size: 1G 	num_reg: 9  	lose cover RAM: 14M
>[    0.000000]  gran_size: 16M 	chunk_size: 2G 	num_reg: 10  	lose cover RAM: 14M
>[    0.000000]  gran_size: 32M 	chunk_size: 32M 	num_reg: 10  	lose cover RAM: 62M
>[    0.000000]  gran_size: 32M 	chunk_size: 64M 	num_reg: 9  	lose cover RAM: 30M
>[    0.000000]  gran_size: 32M 	chunk_size: 128M 	num_reg: 8  	lose cover RAM: 30M
>[    0.000000]  gran_size: 32M 	chunk_size: 256M 	num_reg: 8  	lose cover RAM: 30M
>[    0.000000]  gran_size: 32M 	chunk_size: 512M 	num_reg: 8  	lose cover RAM: 30M
>[    0.000000]  gran_size: 32M 	chunk_size: 1G 	num_reg: 8  	lose cover RAM: 30M
>[    0.000000]  gran_size: 32M 	chunk_size: 2G 	num_reg: 9  	lose cover RAM: 30M
>[    0.000000]  gran_size: 64M 	chunk_size: 64M 	num_reg: 10  	lose cover RAM: 62M
>[    0.000000]  gran_size: 64M 	chunk_size: 128M 	num_reg: 8  	lose cover RAM: 62M
>[    0.000000]  gran_size: 64M 	chunk_size: 256M 	num_reg: 8  	lose cover RAM: 62M
>[    0.000000]  gran_size: 64M 	chunk_size: 512M 	num_reg: 8  	lose cover RAM: 62M
>[    0.000000]  gran_size: 64M 	chunk_size: 1G 	num_reg: 8  	lose cover RAM: 62M
>[    0.000000]  gran_size: 64M 	chunk_size: 2G 	num_reg: 9  	lose cover RAM: 62M
>[    0.000000]  gran_size: 128M 	chunk_size: 128M 	num_reg: 8  	lose cover RAM: 190M
>[    0.000000]  gran_size: 128M 	chunk_size: 256M 	num_reg: 8  	lose cover RAM: 190M
>[    0.000000]  gran_size: 128M 	chunk_size: 512M 	num_reg: 8  	lose cover RAM: 190M
>[    0.000000]  gran_size: 128M 	chunk_size: 1G 	num_reg: 8  	lose cover RAM: 190M
>[    0.000000]  gran_size: 128M 	chunk_size: 2G 	num_reg: 9  	lose cover RAM: 190M
>[    0.000000]  gran_size: 256M 	chunk_size: 256M 	num_reg: 6  	lose cover RAM: 446M
>[    0.000000]  gran_size: 256M 	chunk_size: 512M 	num_reg: 8  	lose cover RAM: 446M
>[    0.000000]  gran_size: 256M 	chunk_size: 1G 	num_reg: 8  	lose cover RAM: 446M
>[    0.000000]  gran_size: 256M 	chunk_size: 2G 	num_reg: 9  	lose cover RAM: 446M
>[    0.000000]  gran_size: 512M 	chunk_size: 512M 	num_reg: 4  	lose cover RAM: 958M
>[    0.000000]  gran_size: 512M 	chunk_size: 1G 	num_reg: 4  	lose cover RAM: 958M
>[    0.000000]  gran_size: 512M 	chunk_size: 2G 	num_reg: 4  	lose cover RAM: 958M
>[    0.000000]  gran_size: 1G 	chunk_size: 1G 	num_reg: 4  	lose cover RAM: 958M
>[    0.000000]  gran_size: 1G 	chunk_size: 2G 	num_reg: 4  	lose cover RAM: 958M
>[    0.000000]  gran_size: 2G 	chunk_size: 2G 	num_reg: 3  	lose cover RAM: 1982M
>[    0.000000] mtrr_cleanup: can not find optimal value
>[    0.000000] please specify mtrr_gran_size/mtrr_chunk_size
>[    0.000000] e820: update [mem 0xdd000000-0xffffffff] usable ==> reserved
>[    0.000000] e820: last_pfn = 0xdbceb max_arch_pfn = 0x400000000
>[    0.000000] Scanning 1 areas for low memory corruption
>[    0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] BRK [0x02c84000, 0x02c84fff] PGTABLE
>[    0.000000] BRK [0x02c85000, 0x02c85fff] PGTABLE
>[    0.000000] BRK [0x02c86000, 0x02c86fff] PGTABLE
>[    0.000000] BRK [0x02c87000, 0x02c87fff] PGTABLE
>[    0.000000] BRK [0x02c88000, 0x02c88fff] PGTABLE
>[    0.000000] BRK [0x02c89000, 0x02c89fff] PGTABLE
>[    0.000000] RAMDISK: [mem 0x361d6000-0x370e2fff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x00000000D8FEB000 000024 (v02 DELL  )
>[    0.000000] ACPI: XSDT 0x00000000D8FEB090 00009C (v01 DELL   CBX3     01072009 AMI  00010013)
>[    0.000000] ACPI: FACP 0x00000000D8FFCA68 00010C (v05 DELL   CBX3     01072009 AMI  00010013)
>[    0.000000] ACPI: DSDT 0x00000000D8FEB1B8 0118AF (v02 DELL   CBX3     00000014 INTL 20120711)
>[    0.000000] ACPI: FACS 0x00000000DA7FE080 000040
>[    0.000000] ACPI: APIC 0x00000000D8FFCB78 000072 (v03 DELL   CBX3     01072009 AMI  00010013)
>[    0.000000] ACPI: FPDT 0x00000000D8FFCBF0 000044 (v01 DELL   CBX3     01072009 AMI  00010013)
>[    0.000000] ACPI: SLIC 0x00000000D8FFCC38 000176 (v03 DELL   CBX3     01072009 MSFT 00010013)
>[    0.000000] ACPI: LPIT 0x00000000D8FFCDB0 00005C (v01 DELL   CBX3     00000000 AMI. 00000005)
>[    0.000000] ACPI: SSDT 0x00000000D8FFCE10 000228 (v01 INTEL  sensrhub 00000000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000D8FFD038 00051F (v01 PmRef  Cpu0Ist  00003000 INTL 20120711)
>[    0.000000] ACPI: SSDT 0x00000000D8FFD558 000AD8 (v01 PmRef  CpuPm    00003000 INTL 20120711)
>[    0.000000] ACPI: HPET 0x00000000D8FFE030 000038 (v01 DELL   CBX3     01072009 AMI. 00000005)
>[    0.000000] ACPI: SSDT 0x00000000D8FFE068 000455 (v01 SataRe SataTabl 00001000 INTL 20120711)
>[    0.000000] ACPI: MCFG 0x00000000D8FFE4C0 00003C (v01 DELL   CBX3     01072009 MSFT 00000097)
>[    0.000000] ACPI: ASF! 0x00000000D8FFE500 0000A5 (v32 INTEL   HCG     00000001 TFSM 000F4240)
>[    0.000000] ACPI: MSDM 0x00000000D8FFE5A8 000055 (v03 DELL   CBX3     06222004 AMI  00010013)
>[    0.000000] ACPI: BGRT 0x00000000D8FFE600 000038 (v00 \xfffffff3\xffffffee              01072009 AMI  00010013)
>[    0.000000] ACPI: DMAR 0x00000000D8FFE638 0000B0 (v01 INTEL  HSW      00000001 INTL 00000001)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
>[    0.000000]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
>[    0.000000]   Normal   [mem 0x0000000100000000-0x000000041edfffff]
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x0000000000001000-0x000000000004efff]
>[    0.000000]   node   0: [mem 0x0000000000050000-0x000000000009efff]
>[    0.000000]   node   0: [mem 0x0000000000100000-0x00000000c3aecfff]
>[    0.000000]   node   0: [mem 0x00000000c3af4000-0x00000000c472dfff]
>[    0.000000]   node   0: [mem 0x00000000c4c13000-0x00000000d7db3fff]
>[    0.000000]   node   0: [mem 0x00000000d8000000-0x00000000d8758fff]
>[    0.000000]   node   0: [mem 0x00000000d8800000-0x00000000d8fa9fff]
>[    0.000000]   node   0: [mem 0x00000000d9000000-0x00000000da71bfff]
>[    0.000000]   node   0: [mem 0x00000000da800000-0x00000000dbceafff]
>[    0.000000]   node   0: [mem 0x0000000100000000-0x000000041edfffff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000041edfffff]
>[    0.000000] On node 0 totalpages: 4170095
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 27 pages reserved
>[    0.000000]   DMA zone: 3997 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 13968 pages used for memmap
>[    0.000000]   DMA32 zone: 893906 pages, LIFO batch:31
>[    0.000000]   Normal zone: 51128 pages used for memmap
>[    0.000000]   Normal zone: 3272192 pages, LIFO batch:31
>[    0.000000] Reserving Intel graphics memory at 0x00000000dd200000-0x00000000df1fffff
>[    0.000000] ACPI: PM-Timer IO Port: 0x1808
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
>[    0.000000] IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-39
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
>[    0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
>[    0.000000] e820: [mem 0xdf200000-0xf7ffffff] available for PCI devices
>[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
>[    0.000000] setup_percpu: NR_CPUS:4 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1
>[    0.000000] percpu: Embedded 34 pages/cpu @ffff88041ea00000 s101272 r8192 d29800 u524288
>[    0.000000] pcpu-alloc: s101272 r8192 d29800 u524288 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 1 2 3 
>[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 4104908
>[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.9.0-rc5-bfq-gentoo+ root=UUID=712de7fe-cf7d-4b05-abb0-7419a965ac1b rd.luks.uuid= rd.luks.uuid= rd.luks.allow-discards rd.vconsole.font=ter-112n quiet splash
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes)
>[    0.000000] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes)
>[    0.000000] Memory: 16181476K/16680380K available (6363K kernel code, 836K rwdata, 1900K rodata, 984K init, 716K bss, 498904K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>[    0.000000] Preemptible hierarchical RCU implementation.
>[    0.000000] 	Build-time adjustment of leaf fanout to 64.
>[    0.000000] NR_IRQS:4352 nr_irqs:728 16
>[    0.000000] Console: colour dummy device 80x25
>[    0.000000] console [tty0] enabled
>[    0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
>[    0.000000] hpet clockevent registered
>[    0.000000] tsc: Fast TSC calibration using PIT
>[    0.000000] tsc: Detected 2494.228 MHz processor
>[    0.000002] Calibrating delay loop (skipped), value calculated using timer frequency.. 4988.45 BogoMIPS (lpj=2494228)
>[    0.000003] pid_max: default: 32768 minimum: 301
>[    0.000008] ACPI: Core revision 20160831
>[    0.009261] ACPI: 5 ACPI AML tables successfully acquired and loaded
>[    0.009724] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.009725] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.009909] CPU: Physical Processor ID: 0
>[    0.009910] CPU: Processor Core ID: 0
>[    0.009912] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
>[    0.009913] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
>[    0.009916] mce: CPU supports 7 MCE banks
>[    0.009922] CPU0: Thermal monitoring enabled (TM1)
>[    0.009932] process: using mwait in idle threads
>[    0.009934] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
>[    0.009935] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
>[    0.010249] Freeing SMP alternatives memory: 28K (ffffffff81bc9000 - ffffffff81bd0000)
>[    0.017140] smpboot: APIC(0) Converting physical 0 to logical package 0
>[    0.017141] smpboot: Max logical packages: 2
>[    0.017145] DMAR: Host address width 39
>[    0.017146] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
>[    0.017151] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a
>[    0.017152] DMAR: DRHD base: 0x000000fed91000 flags: 0x1
>[    0.017155] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008020660462 ecap f010da
>[    0.017155] DMAR: RMRR base: 0x000000d7f19000 end: 0x000000d7f27fff
>[    0.017156] DMAR: RMRR base: 0x000000dd000000 end: 0x000000df1fffff
>[    0.017158] DMAR-IR: IOAPIC id 8 under DRHD base  0xfed91000 IOMMU 1
>[    0.017158] DMAR-IR: HPET id 0 under DRHD base 0xfed91000
>[    0.017358] DMAR: DRHD: handling fault status reg 2
>[    0.017365] DMAR: [DMA Read] Request device [00:1f.2] fault addr dbcfc000 [fault reason 06] PTE Read access is not set
>[    0.017493] DMAR-IR: Enabled IRQ remapping in xapic mode
>[    0.018103] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.028109] TSC deadline timer enabled
>[    0.028111] smpboot: CPU0: Intel(R) Core(TM) i5-4300U CPU @ 1.90GHz (family: 0x6, model: 0x45, stepping: 0x1)
>[    0.028114] Performance Events: PEBS fmt2+, Haswell events, 16-deep LBR, full-width counters, Intel PMU driver.
>[    0.028132] ... version:                3
>[    0.028132] ... bit width:              48
>[    0.028133] ... generic registers:      4
>[    0.028133] ... value mask:             0000ffffffffffff
>[    0.028134] ... max period:             0000ffffffffffff
>[    0.028134] ... fixed-purpose events:   3
>[    0.028135] ... event mask:             000000070000000f
>[    0.045208] x86: Booting SMP configuration:
>[    0.045209] .... node  #0, CPUs:      #1 #2 #3
>[    0.245491] x86: Booted up 1 node, 4 CPUs
>[    0.245493] smpboot: Total of 4 processors activated (19967.49 BogoMIPS)
>[    0.248449] devtmpfs: initialized
>[    0.248604] PM: Registering ACPI NVS region [mem 0xc3aed000-0xc3af3fff] (28672 bytes)
>[    0.248605] PM: Registering ACPI NVS region [mem 0xda71c000-0xda7fffff] (933888 bytes)
>[    0.248647] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>[    0.248666] xor: automatically using best checksumming function   avx       
>[    0.248669] pinctrl core: initialized pinctrl subsystem
>[    0.248732] NET: Registered protocol family 16
>[    0.254281] cpuidle: using governor ladder
>[    0.259293] cpuidle: using governor menu
>[    0.259320] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
>[    0.259321] ACPI: bus type PCI registered
>[    0.259322] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>[    0.259353] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
>[    0.259354] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
>[    0.259359] pmd_set_huge: Cannot satisfy [mem 0xf8000000-0xf8200000] with a huge-page mapping due to MTRR override.
>[    0.259399] PCI: Using configuration type 1 for base access
>[    0.259405] dmi type 0xB1 record - unknown flag
>[    0.259442] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
>[    0.281324] raid6: sse2x1   gen()  8378 MB/s
>[    0.298335] raid6: sse2x1   xor()  6552 MB/s
>[    0.315351] raid6: sse2x2   gen() 10546 MB/s
>[    0.332370] raid6: sse2x2   xor()  7212 MB/s
>[    0.349388] raid6: sse2x4   gen() 12335 MB/s
>[    0.366406] raid6: sse2x4   xor()  8708 MB/s
>[    0.383426] raid6: avx2x1   gen() 16437 MB/s
>[    0.400445] raid6: avx2x2   gen() 18976 MB/s
>[    0.417464] raid6: avx2x4   gen() 22300 MB/s
>[    0.417465] raid6: using algorithm avx2x4 gen() 22300 MB/s
>[    0.417465] raid6: using avx2x2 recovery algorithm
>[    0.417484] ACPI: Added _OSI(Module Device)
>[    0.417485] ACPI: Added _OSI(Processor Device)
>[    0.417486] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.417486] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.417667] ACPI: Executed 1 blocks of module-level executable AML code
>[    0.421583] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
>[    0.425385] ACPI: Dynamic OEM Table Load:
>[    0.425390] ACPI: SSDT 0xFFFF88040C2FAC00 0003D3 (v01 PmRef  Cpu0Cst  00003001 INTL 20120711)
>[    0.425661] ACPI: Dynamic OEM Table Load:
>[    0.425665] ACPI: SSDT 0xFFFF88040C318800 0005AA (v01 PmRef  ApIst    00003000 INTL 20120711)
>[    0.425959] ACPI: Dynamic OEM Table Load:
>[    0.425962] ACPI: SSDT 0xFFFF88040C38C000 000119 (v01 PmRef  ApCst    00003000 INTL 20120711)
>[    0.426676] ACPI : EC: EC started
>[    0.442730] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as first EC
>[    0.442732] ACPI: \_SB_.PCI0.LPCB.ECDV: GPE=0x27, EC_CMD/EC_SC=0x934, EC_DATA=0x930
>[    0.442733] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as boot DSDT EC to handle transactions
>[    0.442733] ACPI: Interpreter enabled
>[    0.442754] ACPI: (supports S0 S3 S5)
>[    0.442755] ACPI: Using IOAPIC for interrupt routing
>[    0.442778] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.480005] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e])
>[    0.480008] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    0.480186] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PME]
>[    0.480292] acpi PNP0A08:00: _OSC: OS now controls [AER PCIeCapability]
>[    0.480293] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration
>[    0.480635] PCI host bridge to bus 0000:00
>[    0.480637] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
>[    0.480637] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[    0.480638] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[    0.480639] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]
>[    0.480640] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]
>[    0.480641] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]
>[    0.480641] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]
>[    0.480642] pci_bus 0000:00: root bus resource [mem 0xdf200000-0xfeafffff window]
>[    0.480643] pci_bus 0000:00: root bus resource [bus 00-3e]
>[    0.480649] pci 0000:00:00.0: [8086:0a04] type 00 class 0x060000
>[    0.480735] pci 0000:00:02.0: [8086:0a16] type 00 class 0x030000
>[    0.480743] pci 0000:00:02.0: reg 0x10: [mem 0xf7800000-0xf7bfffff 64bit]
>[    0.480748] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref]
>[    0.480752] pci 0000:00:02.0: reg 0x20: [io  0xf000-0xf03f]
>[    0.480825] pci 0000:00:03.0: [8086:0a0c] type 00 class 0x040300
>[    0.480831] pci 0000:00:03.0: reg 0x10: [mem 0xf7e34000-0xf7e37fff 64bit]
>[    0.480922] pci 0000:00:14.0: [8086:9c31] type 00 class 0x0c0330
>[    0.480935] pci 0000:00:14.0: reg 0x10: [mem 0xf7e20000-0xf7e2ffff 64bit]
>[    0.480984] pci 0000:00:14.0: PME# supported from D3hot D3cold
>[    0.481024] pci 0000:00:14.0: System wakeup disabled by ACPI
>[    0.481052] pci 0000:00:16.0: [8086:9c3a] type 00 class 0x078000
>[    0.481068] pci 0000:00:16.0: reg 0x10: [mem 0xf7e3f000-0xf7e3f01f 64bit]
>[    0.481127] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
>[    0.481195] pci 0000:00:19.0: [8086:155a] type 00 class 0x020000
>[    0.481210] pci 0000:00:19.0: reg 0x10: [mem 0xf7e00000-0xf7e1ffff]
>[    0.481216] pci 0000:00:19.0: reg 0x14: [mem 0xf7e3c000-0xf7e3cfff]
>[    0.481222] pci 0000:00:19.0: reg 0x18: [io  0xf080-0xf09f]
>[    0.481269] pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
>[    0.481478] pci 0000:00:19.0: System wakeup disabled by ACPI
>[    0.481510] pci 0000:00:1b.0: [8086:9c20] type 00 class 0x040300
>[    0.481523] pci 0000:00:1b.0: reg 0x10: [mem 0xf7e30000-0xf7e33fff 64bit]
>[    0.481579] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>[    0.481622] pci 0000:00:1b.0: System wakeup disabled by ACPI
>[    0.481650] pci 0000:00:1c.0: [8086:9c10] type 01 class 0x060400
>[    0.481712] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>[    0.481725] pci 0000:00:1c.0: Enabling MPC IRBNCE
>[    0.481726] pci 0000:00:1c.0: Intel PCH root port ACS workaround enabled
>[    0.481789] pci 0000:00:1c.0: System wakeup disabled by ACPI
>[    0.481819] pci 0000:00:1c.3: [8086:9c16] type 01 class 0x060400
>[    0.481883] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
>[    0.481896] pci 0000:00:1c.3: Enabling MPC IRBNCE
>[    0.481898] pci 0000:00:1c.3: Intel PCH root port ACS workaround enabled
>[    0.481956] pci 0000:00:1c.3: System wakeup disabled by ACPI
>[    0.481984] pci 0000:00:1c.4: [8086:9c18] type 01 class 0x060400
>[    0.482047] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
>[    0.482060] pci 0000:00:1c.4: Enabling MPC IRBNCE
>[    0.482061] pci 0000:00:1c.4: Intel PCH root port ACS workaround enabled
>[    0.482119] pci 0000:00:1c.4: System wakeup disabled by ACPI
>[    0.482150] pci 0000:00:1d.0: [8086:9c26] type 00 class 0x0c0320
>[    0.482165] pci 0000:00:1d.0: reg 0x10: [mem 0xf7e3b000-0xf7e3b3ff]
>[    0.482241] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
>[    0.482283] pci 0000:00:1d.0: System wakeup disabled by ACPI
>[    0.482313] pci 0000:00:1f.0: [8086:9c43] type 00 class 0x060100
>[    0.482472] pci 0000:00:1f.2: [8086:9c03] type 00 class 0x010601
>[    0.482482] pci 0000:00:1f.2: reg 0x10: [io  0xf0d0-0xf0d7]
>[    0.482487] pci 0000:00:1f.2: reg 0x14: [io  0xf0c0-0xf0c3]
>[    0.482493] pci 0000:00:1f.2: reg 0x18: [io  0xf0b0-0xf0b7]
>[    0.482498] pci 0000:00:1f.2: reg 0x1c: [io  0xf0a0-0xf0a3]
>[    0.482503] pci 0000:00:1f.2: reg 0x20: [io  0xf060-0xf07f]
>[    0.482509] pci 0000:00:1f.2: reg 0x24: [mem 0xf7e3a000-0xf7e3a7ff]
>[    0.482536] pci 0000:00:1f.2: PME# supported from D3hot
>[    0.482597] pci 0000:00:1f.3: [8086:9c22] type 00 class 0x0c0500
>[    0.482608] pci 0000:00:1f.3: reg 0x10: [mem 0xf7e39000-0xf7e390ff 64bit]
>[    0.482624] pci 0000:00:1f.3: reg 0x20: [io  0xf040-0xf05f]
>[    0.482735] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    0.482853] pci 0000:02:00.0: [8086:08b1] type 00 class 0x028000
>[    0.482884] pci 0000:02:00.0: reg 0x10: [mem 0xf7d00000-0xf7d01fff 64bit]
>[    0.483085] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold
>[    0.483132] pci 0000:02:00.0: System wakeup disabled by ACPI
>[    0.486282] pci 0000:00:1c.3: PCI bridge to [bus 02]
>[    0.486286] pci 0000:00:1c.3:   bridge window [mem 0xf7d00000-0xf7dfffff]
>[    0.488128] pci 0000:03:00.0: [1217:8520] type 00 class 0x080501
>[    0.488149] pci 0000:03:00.0: reg 0x10: [mem 0xf7c01000-0xf7c01fff]
>[    0.488161] pci 0000:03:00.0: reg 0x14: [mem 0xf7c00000-0xf7c007ff]
>[    0.488296] pci 0000:03:00.0: PME# supported from D3hot D3cold
>[    0.488338] pci 0000:03:00.0: System wakeup disabled by ACPI
>[    0.493919] pci 0000:00:1c.4: PCI bridge to [bus 03]
>[    0.493923] pci 0000:00:1c.4:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.493940] pci_bus 0000:00: on NUMA node 0
>[    0.495154] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15)
>[    0.495196] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 10 *11 12 14 15)
>[    0.495236] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    0.495276] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
>[    0.495316] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 6 10 11 12 14 15)
>[    0.495355] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 *10 11 12 14 15)
>[    0.495395] ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 5 6 10 11 12 14 15)
>[    0.495434] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
>[    0.505190] ACPI: Enabled 2 GPEs in block 00 to 7F
>[    0.505247] ACPI : EC: event unblocked
>[    0.505262] ACPI: \_SB_.PCI0.LPCB.ECDV: GPE=0x27, EC_CMD/EC_SC=0x934, EC_DATA=0x930
>[    0.505263] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as boot DSDT EC to handle transactions and events
>[    0.505332] vgaarb: setting as boot device: PCI:0000:00:02.0
>[    0.505333] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>[    0.505335] vgaarb: loaded
>[    0.505336] vgaarb: bridge control possible 0000:00:02.0
>[    0.505377] SCSI subsystem initialized
>[    0.505383] libata version 3.00 loaded.
>[    0.505385] ACPI: bus type USB registered
>[    0.505483] usbcore: registered new interface driver usbfs
>[    0.505489] usbcore: registered new interface driver hub
>[    0.505500] usbcore: registered new device driver usb
>[    0.505520] Registered efivars operations
>[    0.512537] PCI: Using ACPI for IRQ routing
>[    0.513684] PCI: pci_cache_line_size set to 64 bytes
>[    0.515589] e820: reserve RAM buffer [mem 0x0004f000-0x0004ffff]
>[    0.515589] e820: reserve RAM buffer [mem 0x0009f000-0x0009ffff]
>[    0.515590] e820: reserve RAM buffer [mem 0xc3aed000-0xc3ffffff]
>[    0.515591] e820: reserve RAM buffer [mem 0xc472e000-0xc7ffffff]
>[    0.515591] e820: reserve RAM buffer [mem 0xd7db4000-0xd7ffffff]
>[    0.515592] e820: reserve RAM buffer [mem 0xd8759000-0xdbffffff]
>[    0.515593] e820: reserve RAM buffer [mem 0xd8faa000-0xdbffffff]
>[    0.515594] e820: reserve RAM buffer [mem 0xda71c000-0xdbffffff]
>[    0.515594] e820: reserve RAM buffer [mem 0xdbceb000-0xdbffffff]
>[    0.515595] e820: reserve RAM buffer [mem 0x41ee00000-0x41fffffff]
>[    0.515708] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>[    0.515712] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
>[    0.517731] clocksource: Switched to clocksource hpet
>[    0.520264] pnp: PnP ACPI init
>[    0.520338] system 00:00: [mem 0xfed40000-0xfed44fff] has been reserved
>[    0.520341] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
>[    0.520556] system 00:01: [io  0x0680-0x069f] has been reserved
>[    0.520557] system 00:01: [io  0xffff] has been reserved
>[    0.520558] system 00:01: [io  0xffff] has been reserved
>[    0.520559] system 00:01: [io  0xffff] has been reserved
>[    0.520560] system 00:01: [io  0x1c00-0x1cfe] has been reserved
>[    0.520561] system 00:01: [io  0x1d00-0x1dfe] has been reserved
>[    0.520562] system 00:01: [io  0x1e00-0x1efe] has been reserved
>[    0.520563] system 00:01: [io  0x1f00-0x1ffe] has been reserved
>[    0.520564] system 00:01: [io  0x1800-0x18fe] has been reserved
>[    0.520565] system 00:01: [io  0x164e-0x164f] has been reserved
>[    0.520566] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.520584] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    0.520616] system 00:03: [io  0x1854-0x1857] has been reserved
>[    0.520618] system 00:03: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
>[    0.520649] system 00:04: [io  0x04d0-0x04d1] has been reserved
>[    0.520650] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.520673] pnp 00:05: Plug and Play ACPI device, IDs PNP0303 (active)
>[    0.520689] pnp 00:06: Plug and Play ACPI device, IDs DLL05cb PNP0f13 (active)
>[    0.521238] pnp 00:07: Plug and Play ACPI device, IDs PNP0401 (disabled)
>[    0.521461] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.521657] system 00:09: [mem 0xfed1c000-0xfed1ffff] has been reserved
>[    0.521659] system 00:09: [mem 0xfed10000-0xfed17fff] has been reserved
>[    0.521660] system 00:09: [mem 0xfed18000-0xfed18fff] has been reserved
>[    0.521661] system 00:09: [mem 0xfed19000-0xfed19fff] has been reserved
>[    0.521662] system 00:09: [mem 0xf8000000-0xfbffffff] has been reserved
>[    0.521663] system 00:09: [mem 0xfed20000-0xfed3ffff] has been reserved
>[    0.521664] system 00:09: [mem 0xfed90000-0xfed93fff] could not be reserved
>[    0.521665] system 00:09: [mem 0xfed45000-0xfed8ffff] has been reserved
>[    0.521666] system 00:09: [mem 0xff000000-0xffffffff] has been reserved
>[    0.521667] system 00:09: [mem 0xfee00000-0xfeefffff] could not be reserved
>[    0.521668] system 00:09: [mem 0xf7fdf000-0xf7fdffff] has been reserved
>[    0.521669] system 00:09: [mem 0xf7fe0000-0xf7feffff] has been reserved
>[    0.521670] system 00:09: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    0.522968] pnp: PnP ACPI: found 10 devices
>[    0.528736] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[    0.528761] pci 0000:00:1c.0: PCI bridge to [bus 01]
>[    0.528772] pci 0000:00:1c.3: PCI bridge to [bus 02]
>[    0.528776] pci 0000:00:1c.3:   bridge window [mem 0xf7d00000-0xf7dfffff]
>[    0.528782] pci 0000:00:1c.4: PCI bridge to [bus 03]
>[    0.528786] pci 0000:00:1c.4:   bridge window [mem 0xf7c00000-0xf7cfffff]
>[    0.528792] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
>[    0.528793] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
>[    0.528794] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
>[    0.528795] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000d3fff window]
>[    0.528796] pci_bus 0000:00: resource 8 [mem 0x000d4000-0x000d7fff window]
>[    0.528797] pci_bus 0000:00: resource 9 [mem 0x000d8000-0x000dbfff window]
>[    0.528798] pci_bus 0000:00: resource 10 [mem 0x000dc000-0x000dffff window]
>[    0.528799] pci_bus 0000:00: resource 11 [mem 0xdf200000-0xfeafffff window]
>[    0.528800] pci_bus 0000:02: resource 1 [mem 0xf7d00000-0xf7dfffff]
>[    0.528801] pci_bus 0000:03: resource 1 [mem 0xf7c00000-0xf7cfffff]
>[    0.528887] NET: Registered protocol family 2
>[    0.528985] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
>[    0.529111] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
>[    0.529210] TCP: Hash tables configured (established 131072 bind 65536)
>[    0.529224] UDP hash table entries: 8192 (order: 6, 262144 bytes)
>[    0.529253] UDP-Lite hash table entries: 8192 (order: 6, 262144 bytes)
>[    0.529302] NET: Registered protocol family 1
>[    0.529312] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
>[    0.531451] PCI: CLS 64 bytes, default 64
>[    0.531486] Trying to unpack rootfs image as initramfs...
>[    0.773767] Freeing initrd memory: 15412K (ffff8800361d6000 - ffff8800370e3000)
>[    0.773786] DMAR: No ATSR found
>[    0.774079] DMAR: dmar0: Using Queued invalidation
>[    0.774086] DMAR: dmar1: Using Queued invalidation
>[    0.774132] DMAR: Setting RMRR:
>[    0.774160] DMAR: Setting identity map for device 0000:00:02.0 [0xdd000000 - 0xdf1fffff]
>[    0.774380] DMAR: Setting identity map for device 0000:00:14.0 [0xd7f19000 - 0xd7f27fff]
>[    0.774413] DMAR: Setting identity map for device 0000:00:1d.0 [0xd7f19000 - 0xd7f27fff]
>[    0.774427] DMAR: Prepare 0-16MiB unity mapping for LPC
>[    0.774444] DMAR: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff]
>[    0.774576] DMAR: Intel(R) Virtualization Technology for Directed I/O
>[    0.774621] iommu: Adding device 0000:00:00.0 to group 0
>[    0.774629] iommu: Adding device 0000:00:02.0 to group 1
>[    0.774636] iommu: Adding device 0000:00:03.0 to group 2
>[    0.774642] iommu: Adding device 0000:00:14.0 to group 3
>[    0.774651] iommu: Adding device 0000:00:16.0 to group 4
>[    0.774657] iommu: Adding device 0000:00:19.0 to group 5
>[    0.774664] iommu: Adding device 0000:00:1b.0 to group 6
>[    0.774671] iommu: Adding device 0000:00:1c.0 to group 7
>[    0.774678] iommu: Adding device 0000:00:1c.3 to group 8
>[    0.774684] iommu: Adding device 0000:00:1c.4 to group 9
>[    0.774691] iommu: Adding device 0000:00:1d.0 to group 10
>[    0.774703] iommu: Adding device 0000:00:1f.0 to group 11
>[    0.774709] iommu: Adding device 0000:00:1f.2 to group 11
>[    0.774716] iommu: Adding device 0000:00:1f.3 to group 11
>[    0.774722] iommu: Adding device 0000:02:00.0 to group 12
>[    0.774728] iommu: Adding device 0000:03:00.0 to group 13
>[    0.775914] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer
>[    0.775915] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules
>[    0.775915] RAPL PMU: hw unit of domain package 2^-14 Joules
>[    0.775916] RAPL PMU: hw unit of domain dram 2^-14 Joules
>[    0.775916] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules
>[    0.776045] Scanning for low memory corruption every 60 seconds
>[    0.776203] futex hash table entries: 1024 (order: 4, 65536 bytes)
>[    0.776216] audit: initializing netlink subsys (disabled)
>[    0.776226] audit: type=2000 audit(1479077564.763:1): initialized
>[    0.776420] workingset: timestamp_bits=46 max_order=22 bucket_order=0
>[    0.778351] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>[    0.778352] io scheduler noop registered
>[    0.778388] io scheduler bfq registered (default)
>[    0.778388] BFQ I/O-scheduler: v8r5
>[    0.778767] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>[    0.778768] intel_idle: MWAIT substates: 0x11142120
>[    0.778769] intel_idle: v0.4.1 model 0x45
>[    0.778934] intel_idle: lapic_timer_reliable_states 0xffffffff
>[    0.779012] GHES: HEST is not enabled!
>[    0.779048] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>[    0.780737] brd: module loaded
>[    0.781460] loop: module loaded
>[    0.781494] ahci 0000:00:1f.2: version 3.0
>[    0.781581] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled
>[    0.791673] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 6 Gbps 0xb impl SATA mode
>[    0.791675] ahci 0000:00:1f.2: flags: 64bit ncq stag led clo only pio slum part sxs deso sadm sds apst 
>[    0.792227] scsi host0: ahci
>[    0.792427] scsi host1: ahci
>[    0.792558] scsi host2: ahci
>[    0.792615] scsi host3: ahci
>[    0.792643] ata1: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a100 irq 19
>[    0.792644] ata2: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a180 irq 19
>[    0.792645] ata3: DUMMY
>[    0.792646] ata4: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a280 irq 19
>[    0.792674] usbcore: registered new interface driver usb-storage
>[    0.792699] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
>[    0.793354] i8042: Warning: Keylock active
>[    0.795691] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    0.795713] serio: i8042 AUX port at 0x60,0x64 irq 12
>[    0.795803] mousedev: PS/2 mouse device common for all mice
>[    0.795844] rtc_cmos 00:02: RTC can wake from S4
>[    0.795985] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
>[    0.796020] rtc_cmos 00:02: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
>[    0.796115] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com
>[    0.796120] intel_pstate: Intel P-state driver initializing
>[    0.796259] EFI Variables Facility v0.08 2004-May-17
>[    0.797188] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
>[    0.806420] pstore: using zlib compression
>[    0.806421] pstore: Registered efi as persistent store backend
>[    0.806429] hidraw: raw HID events driver (C) Jiri Kosina
>[    0.806481] usbcore: registered new interface driver usbhid
>[    0.806481] usbhid: USB HID core driver
>[    0.806522] Netfilter messages via NETLINK v0.30.
>[    0.806631] NET: Registered protocol family 10
>[    0.806788] ip6_tables: (C) 2000-2006 Netfilter Core Team
>[    0.806800] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
>[    0.806889] NET: Registered protocol family 17
>[    0.806893] Key type dns_resolver registered
>[    0.807130] registered taskstats version 1
>[    0.807383] Btrfs loaded, crc32c=crc32c-intel
>[    0.809512] rtc_cmos 00:02: setting system clock to 2016-11-13 22:52:45 UTC (1479077565)
>[    1.097011] ata1: SATA link down (SStatus 0 SControl 300)
>[    1.407904] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    1.409866] ata2.00: supports DRM functions and may not be fully accessible
>[    1.410300] ata2.00: NCQ Send/Recv Log not supported
>[    1.410301] ata2.00: ATA-9: Samsung SSD 840 EVO 250GB mSATA, EXT42B6Q, max UDMA/133
>[    1.410303] ata2.00: 488397168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
>[    1.410701] ata2.00: supports DRM functions and may not be fully accessible
>[    1.411077] ata2.00: NCQ Send/Recv Log not supported
>[    1.411108] ata2.00: configured for UDMA/133
>[    1.411267] scsi 1:0:0:0: Direct-Access     ATA      Samsung SSD 840  2B6Q PQ: 0 ANSI: 5
>[    1.424945] sd 1:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/233 GiB)
>[    1.425109] sd 1:0:0:0: [sda] Write Protect is off
>[    1.425111] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
>[    1.425135] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    1.426544]  sda: sda1 sda2
>[    1.427272] sd 1:0:0:0: [sda] Attached SCSI disk
>[    1.736999] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    1.739014] ata4.00: supports DRM functions and may not be fully accessible
>[    1.739440] ata4.00: NCQ Send/Recv Log not supported
>[    1.739442] ata4.00: ATA-9: Samsung SSD 840 EVO 250GB mSATA, EXT41B6Q, max UDMA/133
>[    1.739444] ata4.00: 488397168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
>[    1.739859] ata4.00: supports DRM functions and may not be fully accessible
>[    1.740204] ata4.00: NCQ Send/Recv Log not supported
>[    1.740234] ata4.00: configured for UDMA/133
>[    1.740374] scsi 3:0:0:0: Direct-Access     ATA      Samsung SSD 840  1B6Q PQ: 0 ANSI: 5
>[    1.753944] sd 3:0:0:0: [sdb] 488397168 512-byte logical blocks: (250 GB/233 GiB)
>[    1.754164] sd 3:0:0:0: [sdb] Write Protect is off
>[    1.754177] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[    1.754279] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    1.756868]  sdb: sdb1 sdb2 sdb3 sdb4
>[    1.757221] sd 3:0:0:0: [sdb] Attached SCSI disk
>[    1.757717] Freeing unused kernel memory: 984K (ffffffff81ad3000 - ffffffff81bc9000)
>[    1.757718] Write protecting the kernel read-only data: 10240k
>[    1.758025] Freeing unused kernel memory: 1808K (ffff88000263c000 - ffff880002800000)
>[    1.758325] Freeing unused kernel memory: 148K (ffff8800029db000 - ffff880002a00000)
>[    1.779503] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.779655] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.779924] systemd[1]: systemd 226 running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL -XZ +LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD +IDN)
>[    1.780019] systemd[1]: Detected architecture x86-64.
>[    1.780020] systemd[1]: Running in initial RAM disk.
>[    1.780030] systemd[1]: Set hostname to <papaya>.
>[    1.782561] random: systemd-cryptse: uninitialized urandom read (16 bytes read)
>[    1.803583] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.803629] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.803653] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.803692] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.804150] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.804268] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.804557] random: systemd: uninitialized urandom read (16 bytes read)
>[    1.807458] systemd[1]: Listening on udev Kernel Socket.
>[    1.807647] systemd[1]: Created slice System Slice.
>[    1.807660] systemd[1]: Reached target Slices.
>[    1.807686] systemd[1]: Listening on udev Control Socket.
>[    1.807711] systemd[1]: Listening on Journal Socket.
>[    1.808040] systemd[1]: Starting dracut cmdline hook...
>[    1.834745] tsc: Refined TSC clocksource calibration: 2494.229 MHz
>[    1.834753] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x23f3ee0e5b2, max_idle_ns: 440795273767 ns
>[    1.891381] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2
>[    1.891874] ACPI: Lid Switch [LID0]
>[    1.891917] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3
>[    1.891950] ACPI: Power Button [PBTN]
>[    1.892000] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input4
>[    1.892032] ACPI: Sleep Button [SBTN]
>[    1.892080] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input5
>[    1.892113] ACPI: Power Button [PWRF]
>[    1.907597] Linux agpgart interface v0.103
>[    1.907796] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    1.907804] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
>[    1.908701] [drm] Initialized
>[    1.908900] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0004b810
>[    1.908907] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
>[    1.908974] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    1.909111] ehci-pci: EHCI PCI platform driver
>[    1.909156] hub 1-0:1.0: USB hub found
>[    1.909167] hub 1-0:1.0: 9 ports detected
>[    1.910374] sdhci: Secure Digital Host Controller Interface driver
>[    1.910376] sdhci: Copyright(c) Pierre Ossman
>[    1.910541] sdhci-pci 0000:03:00.0: SDHCI controller found [1217:8520] (rev 1)
>[    1.913596] xhci_hcd 0000:00:14.0: xHCI Host Controller
>[    1.913601] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
>[    1.914098] hub 2-0:1.0: USB hub found
>[    1.914106] hub 2-0:1.0: 4 ports detected
>[    1.915329] Setting dangerous option enable_rc6 - tainting kernel
>[    1.915332] Setting dangerous option enable_fbc - tainting kernel
>[    1.915333] Setting dangerous option enable_psr - tainting kernel
>[    1.917959] ehci-pci 0000:00:1d.0: EHCI Host Controller
>[    1.917965] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 3
>[    1.917976] ehci-pci 0000:00:1d.0: debug port 2
>[    1.921895] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
>[    1.921913] ehci-pci 0000:00:1d.0: irq 21, io mem 0xf7e3b000
>[    1.924084] mmc0: Unknown controller version (3). You may experience problems.
>[    1.927755] mmc0: SDHCI controller on PCI [0000:03:00.0] using ADMA
>[    1.929812] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
>[    1.930078] hub 3-0:1.0: USB hub found
>[    1.930085] hub 3-0:1.0: 2 ports detected
>[    1.930473] [drm] Memory usable by graphics device = 2048M
>[    1.930473] [drm] VT-d active for gfx access
>[    1.930474] [drm] Replacing VGA console driver
>[    1.930625] [drm] DMAR active, disabling use of stolen memory
>[    1.935818] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    1.935819] [drm] Driver supports precise vblank timestamp query.
>[    1.937934] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
>[    1.949965] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
>[    1.952159] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6
>[    1.953357] [drm] Initialized i915 1.6.0 20160919 for 0000:00:02.0 on minor 0
>[    1.954889] ------------[ cut here ]------------
>[    1.954929] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.954930] WARN_ON(!msg->buffer != !msg->size)
>[    1.954931] Modules linked in:
>[    1.954932]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.954950] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U          4.9.0-rc5-bfq-gentoo+ #20
>[    1.954951] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.954985] Workqueue: events i915_hotplug_work_func [i915]
>[    1.954987]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.954990]  ffffc90000167bd8 ffffffff810523cc 00000426607500e1 ffffc90000167ca8
>[    1.954993]  ffff880407a800e0 0000000000000003 0000000000000000 ffff880407a80158
>[    1.954996] Call Trace:
>[    1.955001]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.955004]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.955006]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.955037]  [<ffffffffa021a31c>] ? intel_dp_aux_transfer+0xcc/0x220 [i915]
>[    1.955063]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.955068]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.955071]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.955098]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.955122]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.955147]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.955177]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.955180]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.955181]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.955183]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.955185]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.955187]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.955188]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.955191]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.955193] ---[ end trace 60f064180c1be639 ]---
>[    1.956593] ------------[ cut here ]------------
>[    1.956632] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.956644] WARN_ON(!msg->buffer != !msg->size)
>[    1.956645] Modules linked in:
>[    1.956646]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.956663] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.956664] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.956695] Workqueue: events i915_hotplug_work_func [i915]
>[    1.956697]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.956700]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.956703]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.956705] Call Trace:
>[    1.956710]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.956713]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.956715]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.956718]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.956749]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.956753]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.956757]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.956785]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.956811]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.956836]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.956866]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.956869]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.956871]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.956873]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.956875]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.956877]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.956879]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.956882]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.956909] ---[ end trace 60f064180c1be63a ]---
>[    1.958263] ------------[ cut here ]------------
>[    1.958300] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.958301] WARN_ON(!msg->buffer != !msg->size)
>[    1.958301] Modules linked in:
>[    1.958302]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.958319] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.958320] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.958353] Workqueue: events i915_hotplug_work_func [i915]
>[    1.958355]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.958358]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.958361]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.958364] Call Trace:
>[    1.958369]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.958372]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.958374]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.958377]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.958407]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.958412]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.958415]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.958441]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.958466]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.958490]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.958520]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.958523]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.958525]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.958527]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.958529]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.958531]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.958533]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.958536]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.958538] ---[ end trace 60f064180c1be63b ]---
>[    1.959454] ------------[ cut here ]------------
>[    1.959488] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.959489] WARN_ON(!msg->buffer != !msg->size)
>[    1.959490] Modules linked in:
>[    1.959490]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.959505] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.959506] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.959536] Workqueue: events i915_hotplug_work_func [i915]
>[    1.959538]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.959541]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.959544]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.959546] Call Trace:
>[    1.959550]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.959552]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.959554]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.959557]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.959587]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.959592]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.959595]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.959622]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.959648]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.959673]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.959701]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.959704]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.959706]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.959708]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.959709]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.959711]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.959712]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.959715]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.959748] ---[ end trace 60f064180c1be63c ]---
>[    1.961052] ------------[ cut here ]------------
>[    1.961089] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.961090] WARN_ON(!msg->buffer != !msg->size)
>[    1.961091] Modules linked in:
>[    1.961092]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.961107] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.961108] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.961141] Workqueue: events i915_hotplug_work_func [i915]
>[    1.961143]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.961146]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.961148]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.961151] Call Trace:
>[    1.961155]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.961158]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.961160]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.961163]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.961194]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.961199]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.961202]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.961228]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.961252]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.961275]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.961299]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.961301]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.961303]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.961304]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.961306]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.961307]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.961308]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.961310]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.961311] ---[ end trace 60f064180c1be63d ]---
>[    1.961438] random: fast init done
>[    1.962348] ------------[ cut here ]------------
>[    1.962386] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.962387] WARN_ON(!msg->buffer != !msg->size)
>[    1.962388] Modules linked in:
>[    1.962389]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.962406] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.962407] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.962440] Workqueue: events i915_hotplug_work_func [i915]
>[    1.962441]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.962443]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.962445]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.962447] Call Trace:
>[    1.962451]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.962453]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.962454]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.962456]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.962478]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.962481]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.962483]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.962502]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.962519]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.962536]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.962556]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.962558]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.962560]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.962561]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.962562]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.962563]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.962564]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.962567]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.962568] ---[ end trace 60f064180c1be63e ]---
>[    1.963306] ------------[ cut here ]------------
>[    1.963334] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.963334] WARN_ON(!msg->buffer != !msg->size)
>[    1.963335] Modules linked in:
>[    1.963335]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.963347] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.963348] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.963372] Workqueue: events i915_hotplug_work_func [i915]
>[    1.963373]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.963375]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.963377]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.963379] Call Trace:
>[    1.963382]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.963385]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.963386]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.963388]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.963411]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.963414]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.963416]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.963439]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.963461]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.963484]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.963512]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.963515]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.963517]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.963519]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.963521]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.963522]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.963524]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.963527]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.963528] ---[ end trace 60f064180c1be63f ]---
>[    1.964267] ------------[ cut here ]------------
>[    1.964301] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.964302] WARN_ON(!msg->buffer != !msg->size)
>[    1.964302] Modules linked in:
>[    1.964303]  crc32_pclmul i915 fbcon bitblit
>[    1.964306]  softcursor
>[    1.964307]  font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.964321] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.964321] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.964352] Workqueue: events i915_hotplug_work_func [i915]
>[    1.964353]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.964355]  ffffc90000167bd8
>[    1.964357]  ffffffff810523cc
>[    1.964357]  0000042600000001 ffffc90000167ca8
>[    1.964359]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.964361] Call Trace:
>[    1.964366]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.964369]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.964371]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.964374]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.964402]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.964405]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.964409]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.964434]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.964455]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.964478]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.964504]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.964507]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.964509]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.964511]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.964513]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.964514]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.964516]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.964519]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.964521] ---[ end trace 60f064180c1be640 ]---
>[    1.965259] ------------[ cut here ]------------
>[    1.965284] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.965285] WARN_ON(!msg->buffer != !msg->size)
>[    1.965286] Modules linked in:
>[    1.965286]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.965297] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.965297] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.965321] Workqueue: events i915_hotplug_work_func [i915]
>[    1.965323]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.965325]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.965326]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.965328] Call Trace:
>[    1.965331]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.965333]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.965335]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.965337]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.965360]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.965362]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.965365]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.965387]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.965410]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.965433]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.965456]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.965458]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.965459]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.965461]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.965462]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.965463]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.965464]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.965466]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.965467] ---[ end trace 60f064180c1be641 ]---
>[    1.966361] ------------[ cut here ]------------
>[    1.966395] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.966408] WARN_ON(!msg->buffer != !msg->size)
>[    1.966408] Modules linked in:
>[    1.966409]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.966425] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.966426] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.966459] Workqueue: events i915_hotplug_work_func [i915]
>[    1.966460]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.966463]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.966466]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.966469] Call Trace:
>[    1.966473]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.966475]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.966477]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.966480]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.966510]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.966514]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.966517]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.966544]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.966569]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.966592]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.966618]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.966621]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.966623]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.966624]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.966626]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.966627]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.966628]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.966630]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.966631] ---[ end trace 60f064180c1be642 ]---
>[    1.968053] ------------[ cut here ]------------
>[    1.968092] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.968093] WARN_ON(!msg->buffer != !msg->size)
>[    1.968094] Modules linked in:
>[    1.968095]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.968112] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.968113] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.968144] Workqueue: events i915_hotplug_work_func [i915]
>[    1.968146]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.968149]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.968152]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.968155] Call Trace:
>[    1.968160]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.968163]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.968165]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.968168]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.968200]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.968204]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.968207]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.968235]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.968260]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.968284]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.968313]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.968316]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.968318]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.968320]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.968322]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.968324]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.968326]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.968329]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.968330] ---[ end trace 60f064180c1be643 ]---
>[    1.969471] ------------[ cut here ]------------
>[    1.969508] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.969509] WARN_ON(!msg->buffer != !msg->size)
>[    1.969510] Modules linked in:
>[    1.969511]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.969529] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.969530] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.969563] Workqueue: events i915_hotplug_work_func [i915]
>[    1.969565]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.969568]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.969571]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.969574] Call Trace:
>[    1.969578]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.969581]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.969583]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.969587]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.969618]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.969622]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.969625]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.969653]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.969679]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.969705]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.969734]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.969737]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.969738]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.969740]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.969742]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.969744]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.969746]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.969749]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.969762] ---[ end trace 60f064180c1be644 ]---
>[    1.970501] ------------[ cut here ]------------
>[    1.970537] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.970537] WARN_ON(!msg->buffer != !msg->size)
>[    1.970538] Modules linked in:
>[    1.970539]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.970555] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.970556] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.970589] Workqueue: events i915_hotplug_work_func [i915]
>[    1.970590]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.970594]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.970596]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.970599] Call Trace:
>[    1.970603]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.970605]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.970607]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.970610]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.970641]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.970645]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.970649]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.970676]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.970702]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.970727]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.970756]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.970758]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.970760]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.970762]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.970764]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.970766]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.970768]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.970770]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.970784] ---[ end trace 60f064180c1be645 ]---
>[    1.971520] ------------[ cut here ]------------
>[    1.971556] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.971557] WARN_ON(!msg->buffer != !msg->size)
>[    1.971557] Modules linked in:
>[    1.971558]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.971575] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.971575] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.971608] Workqueue: events i915_hotplug_work_func [i915]
>[    1.971610]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.971613]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.971615]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.971618] Call Trace:
>[    1.971622]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.971625]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.971627]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.971630]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.971660]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.971664]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.971667]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.971694]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.971719]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.971742]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.971770]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.971773]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.971775]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.971777]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.971779]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.971781]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.971782]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.971785]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.971799] ---[ end trace 60f064180c1be646 ]---
>[    1.972539] ------------[ cut here ]------------
>[    1.972565] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.972565] WARN_ON(!msg->buffer != !msg->size)
>[    1.972566] Modules linked in:
>[    1.972566]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.972577] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.972578] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.972601] Workqueue: events i915_hotplug_work_func [i915]
>[    1.972603]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.972605]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.972606]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.972608] Call Trace:
>[    1.972611]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.972612]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.972614]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.972616]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.972637]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.972640]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.972642]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.972660]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.972678]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.972695]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.972716]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.972718]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.972720]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.972721]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.972723]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.972724]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.972725]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.972727]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.972728] ---[ end trace 60f064180c1be647 ]---
>[    1.973474] ------------[ cut here ]------------
>[    1.973498] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.973498] WARN_ON(!msg->buffer != !msg->size)
>[    1.973499] Modules linked in:
>[    1.973499]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.973509] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.973510] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.973533] Workqueue: events i915_hotplug_work_func [i915]
>[    1.973534]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.973536]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.973538]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.973540] Call Trace:
>[    1.973543]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.973544]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.973545]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.973547]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.973568]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.973570]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.973572]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.973591]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.973608]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.973625]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.973645]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.973647]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.973648]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.973650]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.973651]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.973652]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.973653]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.973655]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.973656] ---[ end trace 60f064180c1be648 ]---
>[    1.975008] ------------[ cut here ]------------
>[    1.975033] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.975034] WARN_ON(!msg->buffer != !msg->size)
>[    1.975035] Modules linked in:
>[    1.975035]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.975046] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.975046] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.975070] Workqueue: events i915_hotplug_work_func [i915]
>[    1.975071]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.975073]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.975075]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.975077] Call Trace:
>[    1.975080]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.975081]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.975083]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.975084]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.975106]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.975109]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.975111]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.975130]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.975152]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.975175]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.975197]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.975199]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.975201]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.975202]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.975204]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.975205]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.975206]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.975208]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.975209] ---[ end trace 60f064180c1be649 ]---
>[    1.975943] ------------[ cut here ]------------
>[    1.975975] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.975975] WARN_ON(!msg->buffer != !msg->size)
>[    1.975976] Modules linked in:
>[    1.975976]  crc32_pclmul i915 fbcon bitblit softcursor font
>[    1.975980]  intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.975992] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.975992] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.976022] Workqueue: events i915_hotplug_work_func [i915]
>[    1.976024]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.976026]  ffffc90000167bd8
>[    1.976028]  ffffffff810523cc
>[    1.976028]  0000042600000001 ffffc90000167ca8
>[    1.976030]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.976032] Call Trace:
>[    1.976035]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.976037]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.976039]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.976042]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.976069]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.976073]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.976075]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.976101]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.976123]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.976146]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.976171]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.976174]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.976176]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.976178]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.976180]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.976181]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.976183]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.976185]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.976187] ---[ end trace 60f064180c1be64a ]---
>[    1.976929] ------------[ cut here ]------------
>[    1.976960] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.976961] WARN_ON(!msg->buffer != !msg->size)
>[    1.976961] Modules linked in:
>[    1.976962]  crc32_pclmul i915 fbcon bitblit softcursor font
>[    1.976965]  intel_gtt
>[    1.976966]  sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.976977] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.976978] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.977008] Workqueue: events i915_hotplug_work_func [i915]
>[    1.977009]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8
>[    1.977012]  0000000000000000
>[    1.977013]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.977015]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.977017] Call Trace:
>[    1.977021]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.977023]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.977025]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.977028]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.977055]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.977058]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.977061]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.977086]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.977109]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.977132]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.977157]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.977160]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.977162]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.977164]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.977166]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.977167]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.977169]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.977171]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.977182] ---[ end trace 60f064180c1be64b ]---
>[    1.977917] ------------[ cut here ]------------
>[    1.977951] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.977952] WARN_ON(!msg->buffer != !msg->size)
>[    1.977952] Modules linked in:
>[    1.977953]  crc32_pclmul i915 fbcon bitblit softcursor font
>[    1.977957]  intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.977969] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.977970] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.978000] Workqueue: events i915_hotplug_work_func [i915]
>[    1.978001]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.978004]  ffffc90000167bd8
>[    1.978005]  ffffffff810523cc
>[    1.978006]  0000042600000001 ffffc90000167ca8
>[    1.978008]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.978010] Call Trace:
>[    1.978015]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.978017]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.978019]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.978023]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.978050]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.978054]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.978057]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.978082]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.978104]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.978126]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.978151]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.978155]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.978156]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.978158]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.978160]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.978162]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.978164]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.978166]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.978168] ---[ end trace 60f064180c1be64c ]---
>[    1.978903] ------------[ cut here ]------------
>[    1.978936] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.978937] WARN_ON(!msg->buffer != !msg->size)
>[    1.978937] Modules linked in:
>[    1.978938]  crc32_pclmul i915 fbcon bitblit softcursor
>[    1.978941]  font
>[    1.978942]  intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.978954] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.978954] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.978985] Workqueue: events i915_hotplug_work_func [i915]
>[    1.978986]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.978989]  ffffc90000167bd8
>[    1.978990]  ffffffff810523cc
>[    1.978991]  0000042600000001 ffffc90000167ca8
>[    1.978992]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.978994] Call Trace:
>[    1.978999]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.979001]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.979003]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.979006]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.979032]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.979036]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.979039]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.979063]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.979085]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.979108]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.979133]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.979136]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.979138]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.979139]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.979141]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.979143]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.979144]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.979147]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.979149] ---[ end trace 60f064180c1be64d ]---
>[    1.979883] ------------[ cut here ]------------
>[    1.979908] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.979908] WARN_ON(!msg->buffer != !msg->size)
>[    1.979909] Modules linked in:
>[    1.979909]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.979920] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.979920] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.979943] Workqueue: events i915_hotplug_work_func [i915]
>[    1.979944]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.979946]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.979948]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.979950] Call Trace:
>[    1.979952]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.979954]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.979955]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.979957]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.979978]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.979980]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.979982]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.980004]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.980026]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.980049]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.980072]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.980074]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.980075]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.980077]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.980078]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.980079]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.980080]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.980082]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.980083] ---[ end trace 60f064180c1be64e ]---
>[    1.980743] ------------[ cut here ]------------
>[    1.980775] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.980776] WARN_ON(!msg->buffer != !msg->size)
>[    1.980777] Modules linked in:
>[    1.980778]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.980793] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.980794] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.980824] Workqueue: events i915_hotplug_work_func [i915]
>[    1.980826]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.980828]  ffffc90000167bd8 ffffffff810523cc
>[    1.980830]  0000042600000001 ffffc90000167ca8
>[    1.980832]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.980834] Call Trace:
>[    1.980839]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.980841]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.980843]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.980846]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.980873]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.980877]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.980880]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.980905]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.980928]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.980951]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.980976]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.980980]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.980982]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.980983]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.980985]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.980987]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.980989]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.980991]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.980992] ---[ end trace 60f064180c1be64f ]---
>[    1.981726] ------------[ cut here ]------------
>[    1.981758] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.981765] WARN_ON(!msg->buffer != !msg->size)
>[    1.981766] Modules linked in:
>[    1.981767]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.981783] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.981783] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.981813] Workqueue: events i915_hotplug_work_func [i915]
>[    1.981815]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.981818]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.981820]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.981822] Call Trace:
>[    1.981826]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.981829]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.981831]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.981834]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.981860]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.981864]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.981866]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.981892]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.981914]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.981937]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.981962]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.981965]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.981967]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.981968]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.981970]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.981972]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.981974]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.981976]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.981977] ---[ end trace 60f064180c1be650 ]---
>[    1.982714] ------------[ cut here ]------------
>[    1.982744] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.982760] WARN_ON(!msg->buffer != !msg->size)
>[    1.982761] Modules linked in:
>[    1.982762]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb
>[    1.982775]  fbdev
>[    1.982776]  video backlight button
>[    1.982779] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.982780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.982810] Workqueue: events i915_hotplug_work_func [i915]
>[    1.982811]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.982814]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.982817]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.982819] Call Trace:
>[    1.982823]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.982826]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.982828]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.982831]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.982857]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.982861]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.982864]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.982888]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.982910]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.982933]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.982958]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.982961]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.982963]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.982965]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.982967]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.982969]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.982970]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.982973]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.982975] ---[ end trace 60f064180c1be651 ]---
>[    1.983712] ------------[ cut here ]------------
>[    1.983747] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.983762] WARN_ON(!msg->buffer != !msg->size)
>[    1.983763] Modules linked in:
>[    1.983764]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.983781] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.983782] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.983813] Workqueue: events i915_hotplug_work_func [i915]
>[    1.983815]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.983818]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.983821]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.983823] Call Trace:
>[    1.983828]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.983831]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.983833]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.983836]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.983863]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.983867]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.983870]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.983896]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.983918]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.983940]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.983968]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.983970]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.983972]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.983974]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.983976]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.983978]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.983979]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.983982]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.983983] ---[ end trace 60f064180c1be652 ]---
>[    1.984081] BTRFS: device label PUB devid 1 transid 713 /dev/sdb3
>[    1.984721] ------------[ cut here ]------------
>[    1.984751] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.984761] WARN_ON(!msg->buffer != !msg->size)
>[    1.984762] Modules linked in:
>[    1.984764]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.984779] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.984780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.984810] Workqueue: events i915_hotplug_work_func [i915]
>[    1.984812]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.984814]  ffffc90000167bd8 ffffffff810523cc
>[    1.984816]  0000042600000001 ffffc90000167ca8
>[    1.984818]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.984820] Call Trace:
>[    1.984824]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.984827]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.984829]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.984832]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.984860]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.984863]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.984866]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.984891]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.984913]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.984936]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.984962]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.984965]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.984967]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.984969]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.984970]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.984972]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.984973]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.984976]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.984977] ---[ end trace 60f064180c1be653 ]---
>[    1.985746] ------------[ cut here ]------------
>[    1.985768] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.985769] WARN_ON(!msg->buffer != !msg->size)
>[    1.985769] Modules linked in:
>[    1.985770]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.985780] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.985780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.985803] Workqueue: events i915_hotplug_work_func [i915]
>[    1.985804]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.985806]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.985808]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.985809] Call Trace:
>[    1.985812]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.985814]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.985815]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.985817]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.985840]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.985842]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.985845]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.985867]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.985890]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.985912]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.985935]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.985937]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.985939]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.985940]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.985942]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.985943]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.985944]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.985946]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.985947] ---[ end trace 60f064180c1be654 ]---
>[    1.986684] ------------[ cut here ]------------
>[    1.986716] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.986716] WARN_ON(!msg->buffer != !msg->size)
>[    1.986717] Modules linked in:
>[    1.986717]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.986728] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.986729] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.986755] Workqueue: events i915_hotplug_work_func [i915]
>[    1.986756]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.986758]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.986760]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.986761] Call Trace:
>[    1.986764]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.986766]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.986767]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.986769]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.986791]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.986793]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.986795]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.986814]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.986831]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.986847]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.986868]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.986871]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.986873]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.986874]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.986876]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.986877]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.986879]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.986881]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.986900] ---[ end trace 60f064180c1be655 ]---
>[    1.987634] ------------[ cut here ]------------
>[    1.987662] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.987663] WARN_ON(!msg->buffer != !msg->size)
>[    1.987664] Modules linked in:
>[    1.987664]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt
>[    1.987668]  sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.987680] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.987681] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.987708] Workqueue: events i915_hotplug_work_func [i915]
>[    1.987709]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.987711]  ffffc90000167bd8 ffffffff810523cc 0000042600000001
>[    1.987714]  ffffc90000167ca8
>[    1.987715]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.987717] Call Trace:
>[    1.987720]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.987723]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.987724]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.987727]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.987753]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.987756]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.987759]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.987784]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.987805]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.987827]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.987851]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.987854]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.987856]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.987858]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.987860]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.987861]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.987863]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.987866]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.987885] ---[ end trace 60f064180c1be656 ]---
>[    1.988619] ------------[ cut here ]------------
>[    1.988650] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.988650] WARN_ON(!msg->buffer != !msg->size)
>[    1.988651] Modules linked in:
>[    1.988652]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.988668] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.988669] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.988698] Workqueue: events i915_hotplug_work_func [i915]
>[    1.988700]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.988702]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.988703]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.988705] Call Trace:
>[    1.988709]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.988710]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.988711]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.988714]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.988735]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.988739]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.988742]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.988760]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.988777]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.988799]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.988822]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.988824]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.988825]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.988827]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.988828]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.988829]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.988831]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.988833]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.988844] ---[ end trace 60f064180c1be657 ]---
>[    1.989607] ------------[ cut here ]------------
>[    1.989627] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.989627] WARN_ON(!msg->buffer != !msg->size)
>[    1.989628] Modules linked in:
>[    1.989628]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.989637] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.989637] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.989657] Workqueue: events i915_hotplug_work_func [i915]
>[    1.989658]  ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000
>[    1.989659]  ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8
>[    1.989661]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.989662] Call Trace:
>[    1.989664]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.989666]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.989667]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.989668]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.989685]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.989688]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.989690]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.989705]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.989720]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.989746]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.989767]  [<ffffffffa02049ff>] i915_hotplug_work_func+0x1df/0x2b0 [i915]
>[    1.989769]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.989780]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.989782]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.989783]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.989784]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.989785]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.989786]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.989794] ---[ end trace 60f064180c1be658 ]---
>[    1.989952] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to update link training
>[    1.993330] ------------[ cut here ]------------
>[    1.993367] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.993367] WARN_ON(!msg->buffer != !msg->size)
>[    1.993368] Modules linked in:
>[    1.993368]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.993378] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.993378] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.993381] Workqueue: events_unbound async_run_entry_fn
>[    1.993382]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.993383]  ffffc900001bbb00 ffffffff810523cc 00000426607500e1 ffffc900001bbbd0
>[    1.993385]  ffff880407a800e0 0000000000000003 0000000000000000 ffff880407a80158
>[    1.993386] Call Trace:
>[    1.993389]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.993390]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.993391]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.993413]  [<ffffffffa021a31c>] ? intel_dp_aux_transfer+0xcc/0x220 [i915]
>[    1.993433]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.993436]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.993438]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.993458]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.993477]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.993497]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.993500]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.993501]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.993503]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.993505]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.993525]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.993527]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.993528]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.993530]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.993531]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.993532]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.993533]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.993534]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.993535]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.993536] ---[ end trace 60f064180c1be659 ]---
>[    1.994299] ------------[ cut here ]------------
>[    1.994324] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.994324] WARN_ON(!msg->buffer != !msg->size)
>[    1.994325] Modules linked in:
>[    1.994325]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.994335] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.994336] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.994338] Workqueue: events_unbound async_run_entry_fn
>[    1.994339]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.994341]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.994343]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.994344] Call Trace:
>[    1.994347]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.994348]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.994349]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.994351]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.994374]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.994377]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.994379]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.994402]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.994425]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.994448]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.994451]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.994453]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.994455]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.994458]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.994481]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.994482]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.994484]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.994486]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.994487]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.994488]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.994489]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.994490]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.994492]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.994493] ---[ end trace 60f064180c1be65a ]---
>[    1.995255] ------------[ cut here ]------------
>[    1.995280] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.995280] WARN_ON(!msg->buffer != !msg->size)
>[    1.995281] Modules linked in:
>[    1.995281]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.995291] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.995292] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.995294] Workqueue: events_unbound async_run_entry_fn
>[    1.995295]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.995297]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.995299]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.995300] Call Trace:
>[    1.995303]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.995304]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.995305]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.995307]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.995327]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.995330]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.995332]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.995350]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.995367]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.995383]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.995386]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.995387]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.995390]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.995392]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.995412]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.995414]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.995415]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.995417]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.995418]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.995419]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.995420]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.995421]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.995423]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.995424] ---[ end trace 60f064180c1be65b ]---
>[    1.996164] ------------[ cut here ]------------
>[    1.996184] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.996185] WARN_ON(!msg->buffer != !msg->size)
>[    1.996185] Modules linked in:
>[    1.996186]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci
>[    1.996189]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.996197] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.996198] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.996200] Workqueue: events_unbound async_run_entry_fn
>[    1.996201]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.996203]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.996205]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.996207] Call Trace:
>[    1.996209]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.996210]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.996212]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.996213]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.996231]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.996234]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.996236]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.996252]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.996268]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.996285]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.996288]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.996289]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.996292]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.996294]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.996313]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.996315]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.996316]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.996318]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.996319]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.996320]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.996321]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.996322]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.996324]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.996325] ---[ end trace 60f064180c1be65c ]---
>[    1.997082] ------------[ cut here ]------------
>[    1.997101] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.997101] WARN_ON(!msg->buffer != !msg->size)
>[    1.997102] Modules linked in:
>[    1.997102]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.997112] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.997113] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.997115] Workqueue: events_unbound async_run_entry_fn
>[    1.997115]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.997117]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.997119]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.997121] Call Trace:
>[    1.997123]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.997124]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.997125]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.997127]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.997143]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.997145]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.997147]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.997163]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.997179]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.997195]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.997197]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.997198]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.997201]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.997203]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.997222]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.997223]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.997225]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.997226]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.997227]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.997228]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.997229]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.997230]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.997232]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.997233] ---[ end trace 60f064180c1be65d ]---
>[    1.997972] ------------[ cut here ]------------
>[    1.997990] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.997990] WARN_ON(!msg->buffer != !msg->size)
>[    1.997991] Modules linked in:
>[    1.997991]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci
>[    1.997995]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.998002] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.998003] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.998005] Workqueue: events_unbound async_run_entry_fn
>[    1.998006]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.998009]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.998011]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.998012] Call Trace:
>[    1.998014]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.998016]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.998017]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.998018]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.998041]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.998044]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.998047]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.998070]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.998093]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.998117]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.998120]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.998121]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.998125]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.998127]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.998150]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.998152]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.998154]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.998156]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.998157]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.998158]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.998160]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.998161]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.998162]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.998163] ---[ end trace 60f064180c1be65e ]---
>[    1.998893] ------------[ cut here ]------------
>[    1.998916] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.998917] WARN_ON(!msg->buffer != !msg->size)
>[    1.998917] Modules linked in:
>[    1.998917]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.998928] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.998928] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.998930] Workqueue: events_unbound async_run_entry_fn
>[    1.998931]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.998933]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.998935]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.998937] Call Trace:
>[    1.998939]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.998940]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.998942]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.998944]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.998967]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.998970]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.998972]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.998995]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.999018]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.999041]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.999044]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.999045]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.999048]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.999050]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.999073]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.999075]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.999077]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.999078]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.999080]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.999081]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.999082]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.999083]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.999085]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.999086] ---[ end trace 60f064180c1be65f ]---
>[    1.999769] ------------[ cut here ]------------
>[    1.999794] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.999795] WARN_ON(!msg->buffer != !msg->size)
>[    1.999795] Modules linked in:
>[    1.999795]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    1.999805] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    1.999806] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    1.999808] Workqueue: events_unbound async_run_entry_fn
>[    1.999809]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    1.999811]  ffffc900001bbb00
>[    1.999812]  ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    1.999813]  ffff880407a800e0
>[    1.999814]  0000000000000003 00000000fffffffb 00000000fffffffb
>[    1.999816] Call Trace:
>[    1.999818]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    1.999819]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    1.999821]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    1.999822]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    1.999845]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    1.999848]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    1.999850]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    1.999874]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    1.999896]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    1.999920]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    1.999923]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    1.999924]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    1.999927]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    1.999930]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    1.999953]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    1.999955]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    1.999956]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    1.999958]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    1.999960]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    1.999961]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    1.999962]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.999963]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    1.999965]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    1.999966] ---[ end trace 60f064180c1be660 ]---
>[    2.000712] ------------[ cut here ]------------
>[    2.000741] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.000749] WARN_ON(!msg->buffer != !msg->size)
>[    2.000749] Modules linked in:
>[    2.000750]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.000761] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.000761] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.000764] Workqueue: events_unbound async_run_entry_fn
>[    2.000766]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.000768]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.000769]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.000771] Call Trace:
>[    2.000774]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.000776]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.000777]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.000779]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.000803]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.000807]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.000809]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.000833]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.000859]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.000884]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.000887]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.000888]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.000891]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.000894]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.000918]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.000920]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.000922]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.000924]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.000926]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.000927]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.000928]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.000929]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.000931]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.000932] ---[ end trace 60f064180c1be661 ]---
>[    2.001693] ------------[ cut here ]------------
>[    2.001714] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.001714] WARN_ON(!msg->buffer != !msg->size)
>[    2.001715] Modules linked in:
>[    2.001715]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.001724] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.001724] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.001726] Workqueue: events_unbound async_run_entry_fn
>[    2.001727]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.001728]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.001730]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.001731] Call Trace:
>[    2.001733]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.001734]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.001736]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.001737]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.001755]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.001757]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.001759]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.001775]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.001790]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.001804]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.001807]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.001808]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.001810]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.001812]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.001829]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.001831]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.001832]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.001833]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.001835]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.001835]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.001836]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.001837]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.001839]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.001846] ---[ end trace 60f064180c1be662 ]---
>[    2.002618] ------------[ cut here ]------------
>[    2.002642] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.002643] WARN_ON(!msg->buffer != !msg->size)
>[    2.002643] Modules linked in:
>[    2.002644]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.002654] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.002654] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.002656] Workqueue: events_unbound async_run_entry_fn
>[    2.002657]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.002659]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.002661]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.002663] Call Trace:
>[    2.002665]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.002667]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.002668]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.002670]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.002693]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.002696]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.002698]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.002722]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.002746]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.002766]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.002769]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.002770]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.002773]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.002775]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.002796]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.002797]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.002799]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.002800]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.002802]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.002803]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.002804]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.002805]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.002806]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.002814] ---[ end trace 60f064180c1be663 ]---
>[    2.003574] ------------[ cut here ]------------
>[    2.003598] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.003599] WARN_ON(!msg->buffer != !msg->size)
>[    2.003599] Modules linked in:
>[    2.003600]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.003610] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.003611] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.003612] Workqueue: events_unbound async_run_entry_fn
>[    2.003613]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.003615]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.003617]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.003619] Call Trace:
>[    2.003621]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.003623]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.003624]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.003626]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.003649]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.003651]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.003654]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.003677]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.003700]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.003723]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.003726]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.003727]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.003730]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.003733]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.003761]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.003763]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.003764]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.003766]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.003767]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.003768]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.003769]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.003770]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.003772]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.003781] ---[ end trace 60f064180c1be664 ]---
>[    2.004539] ------------[ cut here ]------------
>[    2.004562] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.004563] WARN_ON(!msg->buffer != !msg->size)
>[    2.004563] Modules linked in:
>[    2.004564]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.004574] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.004575] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.004577] Workqueue: events_unbound async_run_entry_fn
>[    2.004577]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.004579]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.004581]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.004583] Call Trace:
>[    2.004585]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.004586]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.004588]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.004589]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.004609]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.004611]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.004613]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.004632]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.004648]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.004665]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.004668]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.004669]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.004671]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.004674]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.004693]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.004694]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.004696]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.004697]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.004699]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.004700]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.004701]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.004702]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.004703]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.004704] ---[ end trace 60f064180c1be665 ]---
>[    2.005469] ------------[ cut here ]------------
>[    2.005488] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.005488] WARN_ON(!msg->buffer != !msg->size)
>[    2.005489] Modules linked in:
>[    2.005489]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.005499] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.005500] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.005502] Workqueue: events_unbound async_run_entry_fn
>[    2.005502]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.005504]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.005506]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.005508] Call Trace:
>[    2.005510]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.005511]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.005512]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.005514]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.005531]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.005533]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.005535]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.005552]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.005567]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.005583]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.005585]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.005587]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.005589]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.005592]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.005610]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.005611]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.005613]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.005614]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.005616]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.005617]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.005618]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.005619]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.005620]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.005621] ---[ end trace 60f064180c1be666 ]---
>[    2.006386] ------------[ cut here ]------------
>[    2.006409] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.006410] WARN_ON(!msg->buffer != !msg->size)
>[    2.006410] Modules linked in:
>[    2.006411]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.006421] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.006421] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.006423] Workqueue: events_unbound async_run_entry_fn
>[    2.006424]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.006426]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.006428]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.006430] Call Trace:
>[    2.006432]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.006433]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.006435]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.006437]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.006460]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.006463]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.006465]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.006488]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.006512]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.006535]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.006538]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.006539]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.006542]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.006544]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.006567]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.006569]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.006571]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.006572]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.006574]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.006575]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.006576]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.006577]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.006579]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.006580] ---[ end trace 60f064180c1be667 ]---
>[    2.007344] ------------[ cut here ]------------
>[    2.007368] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.007368] WARN_ON(!msg->buffer != !msg->size)
>[    2.007369] Modules linked in:
>[    2.007369]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.007379] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.007380] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.007382] Workqueue: events_unbound async_run_entry_fn
>[    2.007383]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.007385]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.007386]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.007388] Call Trace:
>[    2.007390]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.007392]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.007393]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.007395]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.007415]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.007417]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.007419]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.007437]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.007460]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.007483]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.007486]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.007487]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.007490]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.007492]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.007516]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.007517]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.007519]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.007521]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.007522]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.007523]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.007524]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.007525]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.007527]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.007528] ---[ end trace 60f064180c1be668 ]---
>[    2.008272] ------------[ cut here ]------------
>[    2.008295] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.008295] WARN_ON(!msg->buffer != !msg->size)
>[    2.008296] Modules linked in:
>[    2.008296]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.008306] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.008307] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.008309] Workqueue: events_unbound async_run_entry_fn
>[    2.008310]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.008312]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.008313]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.008315] Call Trace:
>[    2.008317]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.008319]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.008320]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.008322]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.008340]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.008343]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.008345]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.008363]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.008379]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.008396]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.008398]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.008400]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.008402]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.008405]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.008428]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.008429]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.008431]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.008432]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.008434]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.008435]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.008436]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.008437]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.008439]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.008440] ---[ end trace 60f064180c1be669 ]---
>[    2.009183] ------------[ cut here ]------------
>[    2.009203] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.009204] WARN_ON(!msg->buffer != !msg->size)
>[    2.009204] Modules linked in:
>[    2.009204]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci
>[    2.009208]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.009216] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.009216] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.009218] Workqueue: events_unbound async_run_entry_fn
>[    2.009219]  ffffc900001bbac0 ffffffff8137adfb
>[    2.009220]  ffffc900001bbb10 0000000000000000
>[    2.009221]  ffffc900001bbb00 ffffffff810523cc
>[    2.009223]  0000042600000001 ffffc900001bbbd0
>[    2.009224]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.009225] Call Trace:
>[    2.009228]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.009229]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.009230]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.009232]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.009255]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.009257]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.009260]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.009283]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.009307]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.009330]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.009333]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.009334]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.009338]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.009340]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.009363]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.009365]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.009367]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.009369]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.009370]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.009371]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.009372]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.009373]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.009375]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.009376] ---[ end trace 60f064180c1be66a ]---
>[    2.010138] ------------[ cut here ]------------
>[    2.010162] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.010162] WARN_ON(!msg->buffer != !msg->size)
>[    2.010163] Modules linked in:
>[    2.010163]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.010173] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.010174] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.010175] Workqueue: events_unbound async_run_entry_fn
>[    2.010176]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.010178]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.010180]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.010182] Call Trace:
>[    2.010184]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.010185]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.010187]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.010188]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.010211]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.010214]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.010216]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.010239]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.010262]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.010285]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.010288]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.010289]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.010292]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.010294]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.010318]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.010319]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.010321]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.010323]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.010324]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.010325]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.010326]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.010327]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.010329]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.010330] ---[ end trace 60f064180c1be66b ]---
>[    2.011072] ------------[ cut here ]------------
>[    2.011096] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.011097] WARN_ON(!msg->buffer != !msg->size)
>[    2.011097] Modules linked in:
>[    2.011098]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci
>[    2.011101]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.011109] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.011109] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.011111] Workqueue: events_unbound async_run_entry_fn
>[    2.011112]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10
>[    2.011114]  0000000000000000
>[    2.011115]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.011117]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.011119] Call Trace:
>[    2.011121]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.011122]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.011124]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.011125]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.011148]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.011151]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.011154]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.011177]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.011198]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.011222]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.011225]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.011226]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.011230]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.011232]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.011255]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.011257]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.011259]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.011261]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.011262]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.011263]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.011265]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.011266]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.011267]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.011268] ---[ end trace 60f064180c1be66c ]---
>[    2.012029] ------------[ cut here ]------------
>[    2.012054] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.012054] WARN_ON(!msg->buffer != !msg->size)
>[    2.012054] Modules linked in:
>[    2.012055]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.012065] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.012065] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.012067] Workqueue: events_unbound async_run_entry_fn
>[    2.012068]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.012070]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.012072]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.012073] Call Trace:
>[    2.012075]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.012077]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.012078]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.012080]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.012100]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.012103]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.012105]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.012123]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.012145]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.012168]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.012171]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.012172]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.012175]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.012178]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.012201]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.012203]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.012204]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.012206]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.012207]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.012208]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.012209]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.012210]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.012212]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.012213] ---[ end trace 60f064180c1be66d ]---
>[    2.012955] ------------[ cut here ]------------
>[    2.012980] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.012980] WARN_ON(!msg->buffer != !msg->size)
>[    2.012981] Modules linked in:
>[    2.012981]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt
>[    2.012984]  sdhci_pci
>[    2.012985]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.012992] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.012993] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.012995] Workqueue: events_unbound async_run_entry_fn
>[    2.012996]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10
>[    2.012998]  0000000000000000
>[    2.012999]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.013001]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.013002] Call Trace:
>[    2.013004]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.013006]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.013007]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.013009]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.013033]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.013036]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.013039]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.013062]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.013086]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.013109]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.013112]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.013114]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.013117]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.013119]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.013141]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.013143]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.013145]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.013147]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.013149]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.013150]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.013151]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.013152]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.013154]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.013154] ---[ end trace 60f064180c1be66e ]---
>[    2.013895] ------------[ cut here ]------------
>[    2.013919] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.013920] WARN_ON(!msg->buffer != !msg->size)
>[    2.013920] Modules linked in:
>[    2.013921]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci
>[    2.013924]  sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.013932] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.013932] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.013935] Workqueue: events_unbound async_run_entry_fn
>[    2.013936]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10
>[    2.013937]  0000000000000000
>[    2.013938]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.013940]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.013942] Call Trace:
>[    2.013944]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.013945]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.013947]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.013948]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.013969]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.013972]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.013974]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.013993]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.014011]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.014028]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.014031]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.014033]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.014035]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.014038]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.014057]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.014059]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.014060]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.014062]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.014064]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.014065]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.014066]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.014067]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.014068]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.014069] ---[ end trace 60f064180c1be66f ]---
>[    2.014785] ------------[ cut here ]------------
>[    2.014812] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.014813] WARN_ON(!msg->buffer != !msg->size)
>[    2.014814] Modules linked in:
>[    2.014814]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci
>[    2.014818]  mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.014825] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.014826] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.014828] Workqueue: events_unbound async_run_entry_fn
>[    2.014829]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.014831]  ffffc900001bbb00 ffffffff810523cc
>[    2.014832]  0000042600000001
>[    2.014833]  ffffc900001bbbd0
>[    2.014834]  ffff880407a800e0
>[    2.014835]  0000000000000003
>[    2.014835]  00000000fffffffb 00000000fffffffb
>[    2.014836] Call Trace:
>[    2.014839]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.014840]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.014842]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.014843]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.014868]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.014871]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.014874]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.014898]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.014922]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.014946]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.014949]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.014951]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.014954]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.014956]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.014980]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.014982]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.014983]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.014986]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.014987]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.014988]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.014989]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.014990]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.014992]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.014993] ---[ end trace 60f064180c1be670 ]---
>[    2.015762] ------------[ cut here ]------------
>[    2.015787] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.015788] WARN_ON(!msg->buffer != !msg->size)
>[    2.015788] Modules linked in:
>[    2.015789]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core
>[    2.015793]  drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.015800] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.015801] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.015802] Workqueue: events_unbound async_run_entry_fn
>[    2.015803]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.015805]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.015808]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.015810] Call Trace:
>[    2.015813]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.015814]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.015816]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.015818]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.015841]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.015844]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.015846]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.015869]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.015892]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.015915]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.015918]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.015920]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.015923]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.015925]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.015948]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.015950]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.015952]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.015954]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.015956]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.015957]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.015958]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.015959]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.015961]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.015962] ---[ end trace 60f064180c1be671 ]---
>[    2.016721] ------------[ cut here ]------------
>[    2.016746] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.016753] WARN_ON(!msg->buffer != !msg->size)
>[    2.016754] Modules linked in:
>[    2.016754]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.016764] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.016765] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.016767] Workqueue: events_unbound async_run_entry_fn
>[    2.016768]  ffffc900001bbac0 ffffffff8137adfb
>[    2.016770]  ffffc900001bbb10 0000000000000000
>[    2.016771]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.016773]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.016774] Call Trace:
>[    2.016777]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.016778]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.016780]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.016781]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.016802]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.016804]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.016806]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.016830]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.016852]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.016875]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.016878]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.016880]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.016883]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.016885]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.016909]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.016911]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.016912]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.016915]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.016916]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.016917]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.016919]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.016919]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.016921]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.016922] ---[ end trace 60f064180c1be672 ]---
>[    2.017680] ------------[ cut here ]------------
>[    2.017703] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.017704] WARN_ON(!msg->buffer != !msg->size)
>[    2.017704] Modules linked in:
>[    2.017705]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.017715] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.017715] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.017717] Workqueue: events_unbound async_run_entry_fn
>[    2.017718]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.017720]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.017722]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.017723] Call Trace:
>[    2.017726]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.017727]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.017728]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.017730]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.017750]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.017752]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.017755]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.017773]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.017789]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.017812]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.017814]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.017816]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.017819]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.017821]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.017844]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.017846]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.017848]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.017849]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.017851]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.017852]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.017853]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.017854]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.017856]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.017863] ---[ end trace 60f064180c1be673 ]---
>[    2.018624] ------------[ cut here ]------------
>[    2.018645] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.018646] WARN_ON(!msg->buffer != !msg->size)
>[    2.018646] Modules linked in:
>[    2.018646]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.018657] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.018657] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.018659] Workqueue: events_unbound async_run_entry_fn
>[    2.018660]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.018662]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.018663]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.018665] Call Trace:
>[    2.018667]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.018669]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.018670]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.018672]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.018690]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.018692]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.018694]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.018717]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.018739]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.018760]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.018763]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.018764]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.018767]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.018769]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.018791]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.018793]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.018795]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.018796]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.018798]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.018799]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.018800]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.018801]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.018803]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.018811] ---[ end trace 60f064180c1be674 ]---
>[    2.019571] ------------[ cut here ]------------
>[    2.019592] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.019592] WARN_ON(!msg->buffer != !msg->size)
>[    2.019593] Modules linked in:
>[    2.019593]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.019603] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.019604] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.019606] Workqueue: events_unbound async_run_entry_fn
>[    2.019607]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.019608]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.019610]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.019612] Call Trace:
>[    2.019614]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.019615]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.019616]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.019618]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.019636]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.019638]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.019640]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.019657]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.019673]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.019690]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.019692]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.019693]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.019696]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.019698]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.019721]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.019723]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.019724]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.019726]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.019727]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.019729]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.019730]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.019731]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.019733]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.019740] ---[ end trace 60f064180c1be675 ]---
>[    2.020470] ------------[ cut here ]------------
>[    2.020489] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.020490] WARN_ON(!msg->buffer != !msg->size)
>[    2.020490] Modules linked in:
>[    2.020491]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.020501] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.020501] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.020503] Workqueue: events_unbound async_run_entry_fn
>[    2.020504]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.020506]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.020508]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.020509] Call Trace:
>[    2.020512]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.020513]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.020514]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.020516]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.020533]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.020535]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.020537]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.020554]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.020570]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.020586]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.020588]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.020590]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.020592]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.020595]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.020614]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.020615]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.020617]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.020618]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.020620]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.020621]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.020622]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.020623]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.020624]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.020625] ---[ end trace 60f064180c1be676 ]---
>[    2.021359] ------------[ cut here ]------------
>[    2.021376] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.021377] WARN_ON(!msg->buffer != !msg->size)
>[    2.021377] Modules linked in:
>[    2.021378]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.021387] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.021388] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.021390] Workqueue: events_unbound async_run_entry_fn
>[    2.021391]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.021392]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.021394]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.021396] Call Trace:
>[    2.021398]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.021399]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.021400]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.021402]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.021418]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.021420]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.021422]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.021438]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.021453]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.021468]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.021471]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.021472]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.021474]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.021477]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.021495]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.021496]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.021498]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.021499]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.021501]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.021502]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.021503]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.021504]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.021505]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.021506] ---[ end trace 60f064180c1be677 ]---
>[    2.022248] ------------[ cut here ]------------
>[    2.022265] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.022266] WARN_ON(!msg->buffer != !msg->size)
>[    2.022266] Modules linked in:
>[    2.022267]  crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button
>[    2.022277] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G     U  W       4.9.0-rc5-bfq-gentoo+ #20
>[    2.022277] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016
>[    2.022279] Workqueue: events_unbound async_run_entry_fn
>[    2.022280]  ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000
>[    2.022282]  ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0
>[    2.022283]  ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb
>[    2.022285] Call Trace:
>[    2.022287]  [<ffffffff8137adfb>] dump_stack+0x4d/0x72
>[    2.022288]  [<ffffffff810523cc>] __warn+0xcc/0xf0
>[    2.022290]  [<ffffffff8105243a>] warn_slowpath_fmt+0x4a/0x50
>[    2.022291]  [<ffffffff810a9880>] ? hrtimer_init+0x100/0x100
>[    2.022307]  [<ffffffffa021a42c>] intel_dp_aux_transfer+0x1dc/0x220 [i915]
>[    2.022309]  [<ffffffffa00f0bc8>] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper]
>[    2.022311]  [<ffffffffa00f0c76>] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper]
>[    2.022334]  [<ffffffffa0215cc8>] intel_dp_start_link_train+0x2a8/0x4c0 [i915]
>[    2.022357]  [<ffffffffa0217106>] intel_dp_check_link_status+0xb6/0xf0 [i915]
>[    2.022380]  [<ffffffffa021ba0b>] intel_dp_detect+0x72b/0xbb0 [i915]
>[    2.022383]  [<ffffffffa00f1f26>] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper]
>[    2.022384]  [<ffffffff8162efa8>] ? schedule+0x38/0x90
>[    2.022387]  [<ffffffffa00fdc58>] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper]
>[    2.022389]  [<ffffffffa00ff8fe>] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper]
>[    2.022412]  [<ffffffffa020dd23>] intel_fbdev_initial_config+0x13/0x30 [i915]
>[    2.022414]  [<ffffffff810724e2>] async_run_entry_fn+0x32/0xe0
>[    2.022416]  [<ffffffff8106a3a0>] process_one_work+0x140/0x3e0
>[    2.022417]  [<ffffffff8106a689>] worker_thread+0x49/0x480
>[    2.022419]  [<ffffffff8106a640>] ? process_one_work+0x3e0/0x3e0
>[    2.022420]  [<ffffffff8106f9a5>] kthread+0xc5/0xe0
>[    2.022421]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.022422]  [<ffffffff8106f8e0>] ? kthread_park+0x60/0x60
>[    2.022424]  [<ffffffff81632fd2>] ret_from_fork+0x22/0x30
>[    2.022425] ---[ end trace 60f064180c1be678 ]---
>[    2.022573] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to update link training
>[    2.029444] fbcon: inteldrmfb (fb0) is primary device
>[    2.230800] usb 1-2: new low-speed USB device number 2 using xhci_hcd
>[    2.242812] usb 3-1: new high-speed USB device number 2 using ehci-pci
>[    2.361753] hub 3-1:1.0: USB hub found
>[    2.361833] hub 3-1:1.0: 8 ports detected
>[    2.406481] input: Yubico Yubico Yubikey II as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:1050:0010.0001/input/input7
>[    2.457991] hid-generic 0003:1050:0010.0001: input,hidraw0: USB HID v1.11 Keyboard [Yubico Yubico Yubikey II] on usb-0000:00:14.0-2/input0
>[    2.613813] usb 1-4: new high-speed USB device number 3 using xhci_hcd
>[    2.634811] usb 3-1.3: new full-speed USB device number 3 using ehci-pci
>[    2.778812] usb 3-1.5: new full-speed USB device number 4 using ehci-pci
>[    2.858896] clocksource: Switched to clocksource tsc
>[    2.865786] usb 3-1.5: config 0 has an invalid interface number: 3 but max is 2
>[    2.865787] usb 3-1.5: config 0 has no interface number 2
>[    2.880246] usb 3-1.5: config 0 descriptor??
>[    2.957808] usb 3-1.8: new full-speed USB device number 5 using ehci-pci
>[    3.063808] usb 1-6: new high-speed USB device number 4 using xhci_hcd
>[    3.072820] drm: not enough stolen space for compressed buffer (need 8294400 more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this.
>[    3.107930] Console: switching to colour frame buffer device 240x67
>[    3.126434] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    3.235727] usb-storage 1-6:1.0: USB Mass Storage device detected
>[    3.236076] scsi host4: usb-storage 1-6:1.0
>[    4.268819] scsi 4:0:0:0: Direct-Access     LaCie    iamaKey          PMAP PQ: 0 ANSI: 4
>[    4.269434] sd 4:0:0:0: [sdc] 15124992 512-byte logical blocks: (7.74 GB/7.21 GiB)
>[    4.269579] sd 4:0:0:0: [sdc] Write Protect is off
>[    4.269582] sd 4:0:0:0: [sdc] Mode Sense: 23 00 00 00
>[    4.269723] sd 4:0:0:0: [sdc] No Caching mode page found
>[    4.269724] sd 4:0:0:0: [sdc] Assuming drive cache: write through
>[    4.279444]  sdc: sdc1
>[    4.280450] sd 4:0:0:0: [sdc] Attached SCSI removable disk
>[    5.251242] usb 3-1.8: USB disconnect, device number 5
>[    5.422774] usb 3-1.8: new full-speed USB device number 6 using ehci-pci
>[    6.594053] random: crng init done
>[    7.811240] usb 3-1.8: USB disconnect, device number 6
>[    7.982809] usb 3-1.8: new full-speed USB device number 7 using ehci-pci
>[    8.465023] BTRFS: device label ROOT devid 1 transid 756873 /dev/dm-0
>[    8.606666] BTRFS: device label ROOT devid 2 transid 756873 /dev/dm-1
>[    8.637623] BTRFS info (device dm-1): disk space caching is enabled
>[    8.658167] BTRFS info (device dm-1): detected SSD devices, enabling SSD mode
>[    8.739254] systemd-journald[144]: Received SIGTERM from PID 1 (systemd).
>[    8.756216] systemd: 15 output lines suppressed due to ratelimiting
>[    8.874999] BTRFS info (device dm-1): turning on discard
>[    8.875002] BTRFS info (device dm-1): use lzo compression
>[    8.875003] BTRFS info (device dm-1): disk space caching is enabled
>[    8.897905] systemd-journald[597]: Received request to flush runtime journal from PID 1
>[    9.025572] pps_core: LinuxPPS API ver. 1 registered
>[    9.025574] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
>[    9.026184] PTP clock support registered
>[    9.027555] ACPI: AC Adapter [AC] (off-line)
>[    9.046445] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
>[    9.046446] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
>[    9.046623] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
>[    9.052307] mei_me 0000:00:16.0: NFC MEI VERSION: IVN 0x1 Vendor ID 0x1 Type 0x1
>[    9.073836] thermal LNXTHERM:00: registered as thermal_zone0
>[    9.073838] ACPI: Thermal Zone [THM] (25 C)
>[    9.076716] ahci 0000:00:1f.2: port does not support device sleep
>[    9.086421] ahci 0000:00:1f.2: port does not support device sleep
>[    9.090924] ACPI: Battery Slot [BAT0] (battery present)
>[    9.092079] Intel(R) Wireless WiFi driver for Linux
>[    9.092080] Copyright(c) 2003- 2015 Intel Corporation
>[    9.092222] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002)
>[    9.093482] Bluetooth: Core ver 2.22
>[    9.093497] NET: Registered protocol family 31
>[    9.093497] Bluetooth: HCI device and connection manager initialized
>[    9.093501] Bluetooth: HCI socket layer initialized
>[    9.093503] Bluetooth: L2CAP socket layer initialized
>[    9.093507] Bluetooth: SCO socket layer initialized
>[    9.096179] usbcore: registered new interface driver btusb
>[    9.096229] ACPI: Battery Slot [BAT1] (battery absent)
>[    9.096366] wmi: Mapper loaded
>[    9.105248] iwlwifi 0000:02:00.0: loaded firmware version 17.352738.0 op_mode iwlmvm
>[    9.107455] Linux video capture interface: v2.00
>[    9.113209] Bluetooth: hci0: read Intel version: 370710018002030d00
>[    9.114484] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
>[    9.119107] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 7260, REV=0x144
>[    9.120854] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[    9.121237] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[    9.123227] intel_rapl: Found RAPL domain package
>[    9.123229] intel_rapl: Found RAPL domain core
>[    9.123231] intel_rapl: Found RAPL domain uncore
>[    9.123232] intel_rapl: Found RAPL domain dram
>[    9.123236] intel_rapl: RAPL package 0 domain package locked by BIOS
>[    9.123245] intel_rapl: RAPL package 0 domain dram locked by BIOS
>[    9.167972] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2)
>[    9.207253] dell_laptop: Using dell-rbtn acpi driver for receiving events
>[    9.224186] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_HD (1bcf:2985)
>[    9.233804] input: Laptop_Integrated_Webcam_HD as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input9
>[    9.233974] usbcore: registered new interface driver uvcvideo
>[    9.233975] USB Video Class driver (1.1.1)
>[    9.243343] BTRFS info (device sdb3): use ssd allocation scheme
>[    9.243346] BTRFS info (device sdb3): turning on discard
>[    9.243348] BTRFS info (device sdb3): disk space caching is enabled
>[    9.263102] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
>[    9.263147] iTCO_wdt: Found a Lynx Point_LP TCO device (Version=2, TCOBASE=0x1860)
>[    9.263646] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
>[    9.287888] Adding 4194300k swap on /dev/sdb4.  Priority:-1 extents:1 across:4194300k SSFS
>[    9.325044] dell_wmi: Detected Dell WMI interface version 1
>[    9.325110] input: Dell WMI hotkeys as /devices/virtual/input/input10
>[    9.352229] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
>[    9.367440] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0
>[    9.537631] BTRFS: device label HOME devid 1 transid 1204771 /dev/dm-2
>[    9.603074] usb 3-1.3: USB disconnect, device number 3
>[    9.622985] BTRFS: device label HOME devid 2 transid 1204771 /dev/dm-3
>[    9.641011] BTRFS info (device dm-3): use ssd allocation scheme
>[    9.641014] BTRFS info (device dm-3): turning on discard
>[    9.641015] BTRFS info (device dm-3): use lzo compression
>[    9.641016] BTRFS info (device dm-3): disk space caching is enabled
>[    9.672982] e1000e 0000:00:19.0 0000:00:19.0 (uninitialized): registered PHC clock
>[    9.750330] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) ec:f4:bb:3c:d4:06
>[    9.750336] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
>[    9.750361] e1000e 0000:00:19.0 eth0: MAC: 11, PHY: 12, PBA No: FFFFFF-0FF
>[    9.752147] snd_hda_intel 0000:00:03.0: enabling device (0000 -> 0002)
>[    9.752296] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_exit [i915])
>[    9.752854] e1000e 0000:00:19.0 eno1: renamed from eth0
>[    9.753457] i801_smbus 0000:00:1f.3: SPD Write Disable is set
>[    9.753480] i801_smbus 0000:00:1f.3: SMBus using PCI interrupt
>[    9.766129] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input11
>[    9.766197] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input12
>[    9.766256] input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card0/input13
>[    9.779366] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC3226: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line
>[    9.779369] snd_hda_codec_realtek hdaudioC1D0:    speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
>[    9.779371] snd_hda_codec_realtek hdaudioC1D0:    hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
>[    9.779372] snd_hda_codec_realtek hdaudioC1D0:    mono: mono_out=0x0
>[    9.779374] snd_hda_codec_realtek hdaudioC1D0:    inputs:
>[    9.779375] snd_hda_codec_realtek hdaudioC1D0:      Dock Mic=0x19
>[    9.779377] snd_hda_codec_realtek hdaudioC1D0:      Headset Mic=0x1a
>[    9.779379] snd_hda_codec_realtek hdaudioC1D0:      Internal Mic=0x12
>[    9.790367] input: HDA Intel PCH Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input14
>[    9.790428] input: HDA Intel PCH Dock Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card1/input15
>[    9.790490] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input16
>[    9.879971] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>[    9.879972] Bluetooth: BNEP filters: protocol multicast
>[    9.879975] Bluetooth: BNEP socket layer initialized
>[   10.500401] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input17
>[   10.513498] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input8
>[   11.370746] Bluetooth: hci0: Exiting manufacturer mode failed (-110)
>[   11.370762] Bluetooth: hci0 command tx timeout
>[   11.479076] usb 3-1.8: USB disconnect, device number 7
>[   11.650750] usb 3-1.8: new full-speed USB device number 8 using ehci-pci
>[   13.687881] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
>[   13.689850] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   13.690183] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   13.894744] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   13.895085] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   13.921906] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
>[   13.932897] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   13.933231] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   14.140096] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   14.140431] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   14.158042] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
>[   14.180216] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
>[   14.386954] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
>[   14.698534] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
>[   21.436835] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   21.437168] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   21.640222] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   21.640556] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
>[   21.658601] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
>[   23.236922] Key type cifs.idmap registered
>[   23.237317] Unable to determine destination address.
>[   24.978598] wlp2s0: authenticate with f4:f2:6d:fb:11:e4
>[   24.982347] wlp2s0: send auth to f4:f2:6d:fb:11:e4 (try 1/3)
>[   24.984818] wlp2s0: authenticated
>[   24.985754] wlp2s0: associate with f4:f2:6d:fb:11:e4 (try 1/3)
>[   24.989475] wlp2s0: RX AssocResp from f4:f2:6d:fb:11:e4 (capab=0x431 status=0 aid=2)
>[   24.991390] wlp2s0: associated
>[   24.991405] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
>[   67.687155] usb 1-2: USB disconnect, device number 2
>[   69.928919] usb 1-6: USB disconnect, device number 4
>[  111.631371] usb 1-6: new high-speed USB device number 5 using xhci_hcd
>[  111.634900] atkbd serio0: Spurious ACK on isa0060/serio0. Some program might be trying to access hardware directly.
>[  111.640060] acpi PNP0401:00: Already enumerated
>[  111.640357] acpi PNP0501:00: Still not present
>[  111.653477] pcieport 0000:00:1c.0: Enabling MPC IRBNCE
>[  111.653479] pcieport 0000:00:1c.0: Intel PCH root port ACS workaround enabled
>[  111.653742] pci_bus 0000:01: Allocating resources
>[  111.653750] pcieport 0000:00:1c.0: bridge window [io  0x1000-0x0fff] to [bus 01] add_size 1000
>[  111.653752] pcieport 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 01] add_size 200000 add_align 100000
>[  111.653754] pcieport 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff] to [bus 01] add_size 200000 add_align 100000
>[  111.653760] pci_bus 0000:02: Allocating resources
>[  111.653820] pcieport 0000:00:1c.3: bridge window [io  0x1000-0x0fff] to [bus 02] add_size 1000
>[  111.653821] pcieport 0000:00:1c.3: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 02] add_size 200000 add_align 100000
>[  111.653826] pci_bus 0000:03: Allocating resources
>[  111.655632] pcieport 0000:00:1c.4: bridge window [io  0x1000-0x0fff] to [bus 03] add_size 1000
>[  111.655633] pcieport 0000:00:1c.4: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 03] add_size 200000 add_align 100000
>[  111.655637] pcieport 0000:00:1c.0: res[8]=[mem 0x00100000-0x000fffff] res_to_dev_res add_size 200000 min_align 100000
>[  111.655640] pcieport 0000:00:1c.0: res[8]=[mem 0x00100000-0x002fffff] res_to_dev_res add_size 200000 min_align 100000
>[  111.655641] pcieport 0000:00:1c.0: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655642] pcieport 0000:00:1c.0: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655643] pcieport 0000:00:1c.3: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655644] pcieport 0000:00:1c.3: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655645] pcieport 0000:00:1c.4: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655646] pcieport 0000:00:1c.4: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000
>[  111.655647] pcieport 0000:00:1c.0: res[7]=[io  0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655648] pcieport 0000:00:1c.0: res[7]=[io  0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655649] pcieport 0000:00:1c.3: res[7]=[io  0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655650] pcieport 0000:00:1c.3: res[7]=[io  0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655651] pcieport 0000:00:1c.4: res[7]=[io  0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655652] pcieport 0000:00:1c.4: res[7]=[io  0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000
>[  111.655656] pcieport 0000:00:1c.0: BAR 8: assigned [mem 0xdf200000-0xdf3fffff]
>[  111.655660] pcieport 0000:00:1c.0: BAR 9: assigned [mem 0xdf400000-0xdf5fffff 64bit pref]
>[  111.655664] pcieport 0000:00:1c.3: BAR 9: assigned [mem 0xdf600000-0xdf7fffff 64bit pref]
>[  111.655667] pcieport 0000:00:1c.4: BAR 9: assigned [mem 0xdf800000-0xdf9fffff 64bit pref]
>[  111.655670] pcieport 0000:00:1c.0: BAR 7: assigned [io  0x2000-0x2fff]
>[  111.655671] pcieport 0000:00:1c.3: BAR 7: assigned [io  0x3000-0x3fff]
>[  111.655672] pcieport 0000:00:1c.4: BAR 7: assigned [io  0x4000-0x4fff]
>[  111.657392] acpi device:40: Cannot transition to power state D3hot for parent in (unknown)
>[  111.671385] iommu: Removing device 0000:00:00.0 from group 0
>[  111.803091] hub 1-6:1.0: USB hub found
>[  111.803113] hub 1-6:1.0: 3 ports detected
>[  112.068344] usb 1-1: new high-speed USB device number 6 using xhci_hcd
>[  112.241509] hub 1-1:1.0: USB hub found
>[  112.241530] hub 1-1:1.0: 3 ports detected
>[  112.312315] usb 1-6.2: new full-speed USB device number 7 using xhci_hcd
>[  112.405373] input: BLUE MICROPHONE Blue Snowball  as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.2/0003:0D8C:0005.0006/input/input18
>[  112.405438] hid-generic 0003:0D8C:0005.0006: input,hidraw0: USB HID v1.11 Device [BLUE MICROPHONE Blue Snowball ] on usb-0000:00:14.0-6.2/input2
>[  112.423977] usbcore: registered new interface driver snd-usb-audio
>[  121.601702] usb 1-6.1: new high-speed USB device number 8 using xhci_hcd
>[  121.693006] hub 1-6.1:1.0: USB hub found
>[  121.693228] hub 1-6.1:1.0: 4 ports detected
>[  121.982687] usb 1-6.1.1: new low-speed USB device number 9 using xhci_hcd
>[  122.091032] input: Primax Kensington Eagle Trackball as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.1/1-6.1.1/1-6.1.1:1.0/0003:047D:2048.0007/input/input19
>[  122.091415] hid-generic 0003:047D:2048.0007: input,hidraw1: USB HID v1.11 Mouse [Primax Kensington Eagle Trackball] on usb-0000:00:14.0-6.1.1/input0
>[  122.174679] usb 1-6.1.3: new high-speed USB device number 10 using xhci_hcd
>[  123.438630] uvcvideo: Found UVC 1.00 device HD Pro Webcam C920 (046d:082d)
>[  123.440242] input: HD Pro Webcam C920 as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.1/1-6.1.3/1-6.1.3:1.0/input/input20
>[  198.396625] Unable to determine destination address.

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