This is 100% reproducable. Steps to reproduce: 1. Open KDE control centre. 2. Go to Appearance & Themes -> Screen Saver 3. Expand OpenGL screen savers in the tree 4. Click "KPendulum (GL)" 5. Click Test (do not omit this step!) 6. Click to exit the test 7. Click Setup 8. Click Cancel Result: Server crash - see attached log file.
Created attachment 10597 [details] Xorg.0.log from crash
*** This bug has been marked as a duplicate of bug 7205 ***
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