GNU gdb (GDB) 6.8.50.20090628-cvs-debian Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: ... (gdb) attach 29323 Attaching to program: /usr/bin/Xorg, process 2923 Reading symbols from /usr/lib/libpciaccess.so.0...done. Loaded symbols for /usr/lib/libpciaccess.so.0 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib/libXfont.so.1...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib/libXau.so.6...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libfontenc.so.1...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /usr/lib/libpixman-1.so.0...done. Loaded symbols for /usr/lib/libpixman-1.so.0 Reading symbols from /usr/lib/libhal.so.1...done. Loaded symbols for /usr/lib/libhal.so.1 Reading symbols from /lib/libdbus-1.so.3...done. Loaded symbols for /lib/libdbus-1.so.3 Reading symbols from /lib/libpthread.so.0...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /usr/lib/libXdmcp.so.6...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /lib/libgcrypt.so.11...done. Loaded symbols for /lib/libgcrypt.so.11 Reading symbols from /lib/libm.so.6...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib/librt.so.1...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib/libc.so.6...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/libz.so.1...done. Loaded symbols for /lib/libz.so.1 Reading symbols from /lib64/ld-linux-x86-64.so.2...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/libfreetype.so.6...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /lib/libgpg-error.so.0...done. Loaded symbols for /lib/libgpg-error.so.0 Reading symbols from /usr/lib/xorg/modules/extensions//libextmod.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libextmod.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//libextmod.so Reading symbols from /usr/lib/xorg/modules/extensions//libdbe.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdbe.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdbe.so Reading symbols from /usr/lib/xorg/modules/extensions//libglx.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libglx.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//libglx.so Reading symbols from /usr/lib/xorg/modules/extensions//librecord.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/librecord.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//librecord.so Reading symbols from /usr/lib/xorg/modules/extensions//libdri.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdri.so Reading symbols from /usr/lib/libdrm.so.2...done. Loaded symbols for /usr/lib/libdrm.so.2 Reading symbols from /usr/lib/xorg/modules/extensions//libdri2.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri2.so...done. done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdri2.so Reading symbols from /usr/lib/xorg/modules/drivers//intel_drv.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/drivers/intel_drv.so...done. done. Loaded symbols for /usr/lib/xorg/modules/drivers//intel_drv.so Reading symbols from /usr/lib/libdrm_intel.so.1...done. Loaded symbols for /usr/lib/libdrm_intel.so.1 Reading symbols from /usr/lib/xorg/modules//libfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libfb.so...done. done. Loaded symbols for /usr/lib/xorg/modules//libfb.so Reading symbols from /usr/lib/dri/i965_dri.so...Reading symbols from /usr/lib/debug/usr/lib/dri/i965_dri.so...done. done. Loaded symbols for /usr/lib/dri/i965_dri.so Reading symbols from /usr/lib/libexpat.so.1...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/xorg/modules/input//evdev_drv.so...done. Loaded symbols for /usr/lib/xorg/modules/input//evdev_drv.so Reading symbols from /usr/lib/xorg/modules/input//synaptics_drv.so...done. Loaded symbols for /usr/lib/xorg/modules/input//synaptics_drv.so Reading symbols from /lib/libnss_compat.so.2...done. Loaded symbols for /lib/libnss_compat.so.2 Reading symbols from /lib/libnsl.so.1...done. Loaded symbols for /lib/libnsl.so.1 Reading symbols from /lib/libnss_nis.so.2...done. Loaded symbols for /lib/libnss_nis.so.2 Reading symbols from /lib/libnss_files.so.2...done. Loaded symbols for /lib/libnss_files.so.2 0x00007ff6da564813 in select () from /lib/libc.so.6 (gdb) cont Continuing. Program received signal SIGSEGV, Segmentation fault. intelDestroyContext (driContextPriv=0x53599a0) at intel_context.c:851 851 intel_context.c: No such file or directory. in intel_context.c (gdb) backtrace full #0 intelDestroyContext (driContextPriv=0x53599a0) at intel_context.c:851 driDrawPriv = 0x4a036e0 intel_fb = 0x300000000 irbDepth = irbStencil = intel = 0x472e070 __PRETTY_FUNCTION__ = "intelDestroyContext" #1 0x00007ff6d83878d0 in driDestroyContext (pcp=0x53599a0) at ../common/dri_util.c:545 No locals. #2 0x00007ff6d97a3059 in __glXDRIcontextDestroy (baseContext=0x4169930) at ../../glx/glxdri2.c:192 No locals. #3 0x00007ff6d97989fc in __glXFreeContext (cx=0x4169930) at ../../glx/glxext.c:178 No locals. #4 0x00007ff6d9798a33 in ContextGone (cx=0x0, id=3663469768) at ../../glx/glxext.c:110 No locals. #5 0x0000000000435e4f in FreeResourceByType (id=65011798, type=, skipFree=80) at ../../dix/resource.c:597 cid = res = 0x4057130 prev = 0x0 head = 0x0 #6 0x00007ff6d97952ee in __glXDisp_DestroyContext (cl=, pc=) at ../../glx/glxcmds.c:331 client = 0x44d7b80 gcId = 65011798 #7 0x00007ff6d9798c99 in __glXDispatch (client=0x44d7b80) at ../../glx/glxext.c:541 stuff = 0x4ce4090 opcode = cl = 0x47b6bd0 retval = #8 0x000000000044dff4 in Dispatch () at ../../dix/dispatch.c:437 result = client = 0x44d7b80 nready = 0 start_tick = 58600 #9 0x0000000000433fa5 in main (argc=, argv=0x7fff65a9e6c8, envp=) at ../../dix/main.c:397 i = 1 alwaysCheckForInput = {0, 1} (gdb) wqquit The program is running. Quit anyway (and detach it)? (y or n) LND: Sending signal 11 to Thread 0x7ff6dc5fc6f0 (LWP 2923) Detaching from program: /usr/bin/Xorg, process 2923