Application: kwin (4.6.2 (4.6.2))
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

Mientras estaba reproduciendo musica en Clementine puse visualizaciones a pamtalla completa y al salir de la visualizacion KWin se cerro
Tambien ocurre a veces con el Flash Playes a pantalla completa

The crash can be reproduced some of the time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78b2720 (LWP 1340))]

Thread 3 (Thread 0xb2c7bb70 (LWP 1362)):
#0  0x0158fd41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x05562dd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x0562f4f2 in updateCurrentTime (this=0x8ac0d38, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x8ac0d38, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x056313a3 in QEventDispatcherUNIX::processEvents (this=0x8af3568, flags=...) at kernel/qeventdispatcher_unix.cpp:906
#6  0x05600289 in QEventLoop::processEvents (this=0xb2c7b280, flags=...) at kernel/qeventloop.cpp:149
#7  0x05600522 in QEventLoop::exec (this=0xb2c7b280, flags=...) at kernel/qeventloop.cpp:201
#8  0x0550a2a0 in QThread::exec (this=0x89d8368) at thread/qthread.cpp:492
#9  0x055e1fdb in QInotifyFileSystemWatcherEngine::run (this=0x89d8368) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x0550cda2 in QThreadPrivate::start (arg=0x89d8368) at thread/qthread_unix.cpp:320
#11 0x00b86e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x0098773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb2472b70 (LWP 1363)):
#0  0x00511416 in __kernel_vsyscall ()
#1  0x00b8b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009953fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0101c817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x11301c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x0101c851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x11301c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00b86e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x0098773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb78b2720 (LWP 1340)):
[KCrash Handler]
#7  intel_region_buffer (intel=0x84abf10, region=0x0, flag=2) at intel_regions.c:514
#8  0x03015ce2 in intelClearWithBlit (ctx=0x84abf10, mask=2) at intel_blit.c:262
#9  0x030184c0 in intelClear (ctx=0x84abf10, mask=2) at intel_clear.c:177
#10 0x047f2512 in _mesa_Clear (mask=<value optimized out>) at main/clear.c:241
#11 0x0083284b in KWin::SceneOpenGL::paintBackground (this=0x84d9c78, region=...) at ../../kwin/scene_opengl.cpp:921
#12 0x00829562 in KWin::Scene::paintGenericScreen (this=0x84d9c78, orig_mask=40) at ../../kwin/scene.cpp:188
#13 0x00832a31 in KWin::SceneOpenGL::paintGenericScreen (this=0x84d9c78, mask=40, data=...) at ../../kwin/scene_opengl.cpp:909
#14 0x008267c0 in KWin::Scene::finalPaintScreen (this=0x84d9c78, mask=40, region=..., data=...) at ../../kwin/scene.cpp:178
#15 0x008480fc in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=40, region=..., data=...) at ../../kwin/effects.cpp:173
#16 0x04a3e0e9 in KWin::StartupFeedbackEffect::paintScreen (this=0x89ff858, mask=40, region=..., data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166
#17 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#18 0x00520256 in KWin::Effect::paintScreen (this=0x8a77bd0, mask=40, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#19 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#20 0x049e007f in KWin::LogoutEffect::paintScreen (this=0x88c73b0, mask=40, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207
#21 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#22 0x049fbb10 in KWin::ShadowEffect::paintScreen (this=0x8a80698, mask=40, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189
#23 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#24 0x04a10013 in KWin::BlurEffect::paintScreen (this=0x8840328, mask=40, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230
#25 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#26 0x049e4e6f in KWin::PresentWindowsEffect::paintScreen (this=0x88d1cd8, mask=8, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205
#27 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#28 0x00520256 in KWin::Effect::paintScreen (this=0x897d910, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#29 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#30 0x00520256 in KWin::Effect::paintScreen (this=0x8a3a418, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#31 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#32 0x00520256 in KWin::Effect::paintScreen (this=0x88b1e40, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#33 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#34 0x00520256 in KWin::Effect::paintScreen (this=0x8900ea0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#35 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#36 0x04a2f202 in KWin::FlipSwitchEffect::paintScreen (this=0x881d330, mask=8, region=..., data=...) at ../../../kwin/effects/flipswitch/flipswitch.cpp:148
#37 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#38 0x049cb7e9 in KWin::DesktopGridEffect::paintScreen (this=0x8a474f0, mask=8, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155
#39 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#40 0x049c4799 in KWin::BoxSwitchEffect::paintScreen (this=0x8a00390, mask=8, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143
#41 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#42 0x04a1ebcc in KWin::CubeEffect::paintScreen (this=0x89294b0, mask=8, region=..., data=...) at ../../../kwin/effects/cube/cube.cpp:698
#43 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#44 0x00520256 in KWin::Effect::paintScreen (this=0x895a548, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#45 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#46 0x04a27df0 in KWin::CubeSlideEffect::paintScreen (this=0x8a3b980, mask=8, region=..., data=...) at ../../../kwin/effects/cube/cubeslide.cpp:111
#47 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#48 0x00520256 in KWin::Effect::paintScreen (this=0x8903178, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#49 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#50 0x00520256 in KWin::Effect::paintScreen (this=0x8825908, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#51 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#52 0x04a17a0c in KWin::CoverSwitchEffect::paintScreen (this=0x8a1bf10, mask=8, region=..., data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:126
#53 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#54 0x00520256 in KWin::Effect::paintScreen (this=0x883ef88, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#55 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#56 0x00520256 in KWin::Effect::paintScreen (this=0x89593d0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#57 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#58 0x04a0d0c1 in KWin::ZoomEffect::paintScreen (this=0x88d0da0, mask=8, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341
#59 0x00848172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87eb828, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#60 0x0082798c in KWin::Scene::paintScreen (this=0x84d9c78, mask=0xbfd12e08, region=0xbfd12e90) at ../../kwin/scene.cpp:137
#61 0x0083e962 in KWin::SceneOpenGL::paint (this=0x84d9c78, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:772
#62 0x00823886 in KWin::Workspace::performCompositing (this=0x87dc228) at ../../kwin/composite.cpp:448
#63 0x05616214 in QObject::event (this=0x87dc228, e=0xbfd133bc) at kernel/qobject.cpp:1190
#64 0x02585d24 in QApplicationPrivate::notify_helper (this=0x83c1390, receiver=0x87dc228, e=0xbfd133bc) at kernel/qapplication.cpp:4462
#65 0x0258a8ce in QApplication::notify (this=0xbfd136d4, receiver=0x87dc228, e=0xbfd133bc) at kernel/qapplication.cpp:3862
#66 0x002f13ca in KApplication::notify (this=0xbfd136d4, receiver=0x87dc228, event=0xbfd133bc) at ../../kdeui/kernel/kapplication.cpp:311
#67 0x007b2abf in KWin::Application::notify (this=0xbfd136d4, o=0x87dc228, e=0xbfd133bc) at ../../kwin/main.cpp:376
#68 0x056010bb in QCoreApplication::notifyInternal (this=0xbfd136d4, receiver=0x87dc228, event=0xbfd133bc) at kernel/qcoreapplication.cpp:731
#69 0x056311e4 in sendEvent (this=0x83c3080) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#70 QTimerInfoList::activateTimers (this=0x83c3080) at kernel/qeventdispatcher_unix.cpp:604
#71 0x05631338 in QEventDispatcherUNIX::processEvents (this=0x8380ac0, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#72 0x0263a7ea in QEventDispatcherX11::processEvents (this=0x8380ac0, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#73 0x05600289 in QEventLoop::processEvents (this=0xbfd13614, flags=...) at kernel/qeventloop.cpp:149
#74 0x05600522 in QEventLoop::exec (this=0xbfd13614, flags=...) at kernel/qeventloop.cpp:201
#75 0x05604ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#76 0x025838e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#77 0x007b55b2 in kdemain (argc=1, argv=0xbfd13954) at ../../kwin/main.cpp:542
#78 0x080485bb in main (argc=1, argv=0xbfd13954) at kwin_dummy.cpp:3

This bug may be a duplicate of or related to bug 252817.

Possible duplicates by query: bug 272021, bug 272011, bug 271964, bug 271905, bug 271873.

Reported using DrKonqi