Application: kwin (4.6.5 (4.6.5))
KDE Platform Version: 4.6.5 (4.6.5) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed: I just finished with play of the Dreamchess, I closed the game.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7803720 (LWP 1555))]

Thread 3 (Thread 0xb2b48b70 (LWP 1577)):
#0  0x0013d416 in __kernel_vsyscall ()
#1  0x00742681 in select () from /lib/i386-linux-gnu/libc.so.6
#2  0x0525d38b in qt_safe_select (nfds=17, fdread=0x8c85f90, fdwrite=0x8c861a4, fdexcept=0x8c863b8, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#3  0x052616e9 in QEventDispatcherUNIX::select (this=0x8c967e8, nfds=17, readfds=0x8c85f90, writefds=0x8c861a4, exceptfds=0x8c863b8, timeout=0x0) at kernel/qeventdispatcher_unix.cpp:632
#4  0x0526266b in QEventDispatcherUNIXPrivate::doSelect (this=0x8c85e98, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219
#5  0x05263326 in QEventDispatcherUNIX::processEvents (this=0x8c967e8, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#6  0x05232289 in QEventLoop::processEvents (this=0xb2b48280, flags=...) at kernel/qeventloop.cpp:149
#7  0x05232522 in QEventLoop::exec (this=0xb2b48280, flags=...) at kernel/qeventloop.cpp:201
#8  0x0513c2a0 in QThread::exec (this=0x8c850e8) at thread/qthread.cpp:492
#9  0x05213fdb in QInotifyFileSystemWatcherEngine::run (this=0x8c850e8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x0513eda2 in QThreadPrivate::start (arg=0x8c850e8) at thread/qthread_unix.cpp:320
#11 0x03650e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x0074973e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb233fb70 (LWP 1578)):
#0  0x0013d416 in __kernel_vsyscall ()
#1  0x0365548c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x007573fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x00daf817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xec31c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x00daf851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xec31c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x03650e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x0074973e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7803720 (LWP 1555)):
[KCrash Handler]
#7  intel_region_buffer (intel=0x8629900, region=0x0, flag=2) at intel_regions.c:514
#8  0x033a6ce2 in intelClearWithBlit (ctx=0x8629900, mask=2) at intel_blit.c:262
#9  0x033a94c0 in intelClear (ctx=0x8629900, mask=2) at intel_clear.c:177
#10 0x0394e512 in _mesa_Clear (mask=<value optimized out>) at main/clear.c:241
#11 0x0093f77b in KWin::SceneOpenGL::paintBackground (this=0x8655fd8, region=...) at ../../kwin/scene_opengl.cpp:921
#12 0x00936492 in KWin::Scene::paintGenericScreen (this=0x8655fd8, orig_mask=40) at ../../kwin/scene.cpp:188
#13 0x0093f961 in KWin::SceneOpenGL::paintGenericScreen (this=0x8655fd8, mask=40, data=...) at ../../kwin/scene_opengl.cpp:909
#14 0x009336f0 in KWin::Scene::finalPaintScreen (this=0x8655fd8, mask=40, region=..., data=...) at ../../kwin/scene.cpp:178
#15 0x0095502c in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=40, region=..., data=...) at ../../kwin/effects.cpp:173
#16 0x0736c159 in KWin::StartupFeedbackEffect::paintScreen (this=0x8bf2d28, mask=40, region=..., data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166
#17 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#18 0x00573256 in KWin::Effect::paintScreen (this=0x8b34818, mask=40, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#19 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#20 0x0730e0af in KWin::LogoutEffect::paintScreen (this=0x8a49c28, mask=40, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207
#21 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#22 0x07329b40 in KWin::ShadowEffect::paintScreen (this=0x8a80640, mask=40, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189
#23 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#24 0x0733e043 in KWin::BlurEffect::paintScreen (this=0x89b6760, mask=40, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230
#25 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#26 0x07312e9f in KWin::PresentWindowsEffect::paintScreen (this=0x89a4d90, mask=8, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205
#27 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#28 0x00573256 in KWin::Effect::paintScreen (this=0x8a70198, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#29 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#30 0x00573256 in KWin::Effect::paintScreen (this=0x8bf4ea8, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#31 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#32 0x00573256 in KWin::Effect::paintScreen (this=0x8a8b9f0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#33 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#34 0x00573256 in KWin::Effect::paintScreen (this=0x8a63bc8, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#35 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#36 0x072f9809 in KWin::DesktopGridEffect::paintScreen (this=0x89b8cd8, mask=8, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:156
#37 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#38 0x07330d12 in KWin::SlideEffect::paintScreen (this=0x8a9e4d8, mask=8, region=..., data=...) at ../../../kwin/effects/slide/slide.cpp:86
#39 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#40 0x072f2799 in KWin::BoxSwitchEffect::paintScreen (this=0x89bc2c0, mask=8, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143
#41 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#42 0x0734cc1c in KWin::CubeEffect::paintScreen (this=0x8aa07a8, mask=8, region=..., data=...) at ../../../kwin/effects/cube/cube.cpp:698
#43 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#44 0x00573256 in KWin::Effect::paintScreen (this=0x8bbd268, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#45 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#46 0x00573256 in KWin::Effect::paintScreen (this=0x8bf49e0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#47 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#48 0x00573256 in KWin::Effect::paintScreen (this=0x8b4b6c8, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#49 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#50 0x07345a5c in KWin::CoverSwitchEffect::paintScreen (this=0x8b74748, mask=8, region=..., data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:126
#51 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#52 0x00573256 in KWin::Effect::paintScreen (this=0x8974500, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#53 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#54 0x00573256 in KWin::Effect::paintScreen (this=0x8ae01e8, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#55 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#56 0x0733b0f1 in KWin::ZoomEffect::paintScreen (this=0x8b71d48, mask=8, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341
#57 0x009550a2 in KWin::EffectsHandlerImpl::paintScreen (this=0x8969880, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#58 0x009348bc in KWin::Scene::paintScreen (this=0x8655fd8, mask=0xbfa4bc98, region=0xbfa4bd20) at ../../kwin/scene.cpp:137
#59 0x0094b892 in KWin::SceneOpenGL::paint (this=0x8655fd8, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:772
#60 0x009307b6 in KWin::Workspace::performCompositing (this=0x8959de8) at ../../kwin/composite.cpp:448
#61 0x05248214 in QObject::event (this=0x8959de8, e=0xbfa4c24c) at kernel/qobject.cpp:1190
#62 0x029a2d24 in QApplicationPrivate::notify_helper (this=0x85a26c0, receiver=0x8959de8, e=0xbfa4c24c) at kernel/qapplication.cpp:4462
#63 0x029a78ce in QApplication::notify (this=0xbfa4c564, receiver=0x8959de8, e=0xbfa4c24c) at kernel/qapplication.cpp:3862
#64 0x0032032a in KApplication::notify (this=0xbfa4c564, receiver=0x8959de8, event=0xbfa4c24c) at ../../kdeui/kernel/kapplication.cpp:311
#65 0x008bf9ef in KWin::Application::notify (this=0xbfa4c564, o=0x8959de8, e=0xbfa4c24c) at ../../kwin/main.cpp:376
#66 0x052330bb in QCoreApplication::notifyInternal (this=0xbfa4c564, receiver=0x8959de8, event=0xbfa4c24c) at kernel/qcoreapplication.cpp:731
#67 0x052631e4 in sendEvent (this=0x85a4770) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#68 QTimerInfoList::activateTimers (this=0x85a4770) at kernel/qeventdispatcher_unix.cpp:604
#69 0x05263338 in QEventDispatcherUNIX::processEvents (this=0x8561aa8, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#70 0x02a5a25a in QEventDispatcherX11::processEvents (this=0x8561aa8, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#71 0x05232289 in QEventLoop::processEvents (this=0xbfa4c4a4, flags=...) at kernel/qeventloop.cpp:149
#72 0x05232522 in QEventLoop::exec (this=0xbfa4c4a4, flags=...) at kernel/qeventloop.cpp:201
#73 0x05236ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#74 0x029a08e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#75 0x008c24e2 in kdemain (argc=3, argv=0xbfa4c7e4) at ../../kwin/main.cpp:542
#76 0x080485bb in main (argc=3, argv=0xbfa4c7e4) at kwin_dummy.cpp:3

Possible duplicates by query: bug 278979, bug 278796, bug 278595, bug 278496, bug 278470.

Reported using DrKonqi