Application: kwin (4.8.5 (4.8.5))
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-32-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
running update for the first time after clean install of Kubuntu 12.04

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#7  nouveau_flush (ctx=0x8ab0110) at nouveau_driver.c:70
#8  nouveau_flush (ctx=0x8ab0110) at nouveau_driver.c:57
#9  0x037284d0 in _mesa_flush (ctx=0x8ab0110) at main/context.c:1652
#10 0x03728572 in _mesa_make_current (newCtx=0x0, drawBuffer=0x0, readBuffer=0x0) at main/context.c:1431
#11 0x038aea34 in _mesa_meta_free (ctx=0x8ab0110) at drivers/common/meta.c:417
#12 0x02f2002c in nouveau_context_deinit (ctx=0x8ab0110) at nouveau_context.c:171
#13 0x02f299d8 in nv10_context_destroy (ctx=0x8ab0110) at nv10_context.c:414
#14 0x02f20088 in nouveau_context_destroy (dri_ctx=0x89f8fb0) at nouveau_context.c:187
#15 0x02f1c93a in driDestroyContext (pcp=0x89f8fb0) at ../common/dri_util.c:277
#16 0x00f5f39a in dri2_destroy_context (context=0x89f8d18) at dri2_glx.c:132
#17 0x00f35da2 in glXDestroyContext (ctx=0x89f8d18, dpy=0x89a6200) at glxcmds.c:424
#18 glXDestroyContext (dpy=0x89a6200, ctx=0x89f8d18) at glxcmds.c:405
#19 0x00b61826 in KWin::CompositingPrefs::deleteGLXContext (this=0xbf938718) at ../../kwin/compositingprefs.cpp:282
#20 0x00b62234 in KWin::CompositingPrefs::detect (this=0xbf938718) at ../../kwin/compositingprefs.cpp:223
#21 0x00adc020 in KWin::Options::reloadCompositingSettings (this=0x8a6b460, force=false) at ../../kwin/options.cpp:313
#22 0x00ae12ea in KWin::Options::updateSettings (this=0x8a6b460) at ../../kwin/options.cpp:256
#23 0x00ad900e in KWin::Application::Application (this=0xbf939468) at ../../kwin/main.cpp:319
#24 0x00adb3ae in kdemain (argc=3, argv=0xbf939714) at ../../kwin/main.cpp:511
#25 0x0804850b in main (argc=3, argv=0xbf939714) at kwin_dummy.cpp:3

This bug may be a duplicate of or related to bug 306795.

Possible duplicates by query: bug 306795.

Reported using DrKonqi