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:
error al abrir un video de internet

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77b3720 (LWP 2622))]

Thread 3 (Thread 0xb2b2eb70 (LWP 2641)):
#0  0x00a5dd41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x03762dd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x03830525 in updateCurrentTime (this=0x8f5fc28, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:339
#4  QEventDispatcherUNIXPrivate::doSelect (this=0x8f5fc28, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:182
#5  0x03831326 in QEventDispatcherUNIX::processEvents (this=0x8fb9ae0, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#6  0x03800289 in QEventLoop::processEvents (this=0xb2b2e280, flags=...) at kernel/qeventloop.cpp:149
#7  0x03800522 in QEventLoop::exec (this=0xb2b2e280, flags=...) at kernel/qeventloop.cpp:201
#8  0x0370a2a0 in QThread::exec (this=0x8d45fe0) at thread/qthread.cpp:492
#9  0x037e1fdb in QInotifyFileSystemWatcherEngine::run (this=0x8d45fe0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x0370cda2 in QThreadPrivate::start (arg=0x8d45fe0) at thread/qthread_unix.cpp:320
#11 0x06528e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x003d773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb2325b70 (LWP 2642)):
#0  0x00aaa416 in __kernel_vsyscall ()
#1  0x0652d48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x003e53fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x00ed0817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xfe41c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x00ed0851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xfe41c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x06528e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x003d773e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb77b3720 (LWP 2622)):
[KCrash Handler]
#7  intel_region_buffer (intel=0x89856d0, region=0x0, flag=2) at intel_regions.c:514
#8  0x0342bce2 in intelClearWithBlit (ctx=0x89856d0, mask=2) at intel_blit.c:262
#9  0x0342e4c0 in intelClear (ctx=0x89856d0, mask=2) at intel_clear.c:177
#10 0x03976512 in _mesa_Clear (mask=<value optimized out>) at main/clear.c:241
#11 0x00a0f84b in KWin::SceneOpenGL::paintBackground (this=0x89bb5d0, region=...) at ../../kwin/scene_opengl.cpp:921
#12 0x00a06562 in KWin::Scene::paintGenericScreen (this=0x89bb5d0, orig_mask=40) at ../../kwin/scene.cpp:188
#13 0x00a0fa31 in KWin::SceneOpenGL::paintGenericScreen (this=0x89bb5d0, mask=40, data=...) at ../../kwin/scene_opengl.cpp:909
#14 0x00a037c0 in KWin::Scene::finalPaintScreen (this=0x89bb5d0, mask=40, region=..., data=...) at ../../kwin/scene.cpp:178
#15 0x00a250fc in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=40, region=..., data=...) at ../../kwin/effects.cpp:173
#16 0x03c060e9 in KWin::StartupFeedbackEffect::paintScreen (this=0x8e65330, mask=40, region=..., data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166
#17 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#18 0x00138256 in KWin::Effect::paintScreen (this=0x8eea368, mask=40, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#19 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#20 0x03ba807f in KWin::LogoutEffect::paintScreen (this=0x8e300f0, mask=40, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207
#21 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#22 0x03bc3b10 in KWin::ShadowEffect::paintScreen (this=0x8eb50e8, mask=40, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189
#23 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=40, region=..., data=...) at ../../kwin/effects.cpp:169
#24 0x03bd8013 in KWin::BlurEffect::paintScreen (this=0x8d16790, mask=40, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230
#25 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#26 0x03bace6f in KWin::PresentWindowsEffect::paintScreen (this=0x8d18f38, mask=8, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205
#27 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#28 0x00138256 in KWin::Effect::paintScreen (this=0x8d12a80, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#29 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#30 0x00138256 in KWin::Effect::paintScreen (this=0x8ee4118, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#31 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#32 0x00138256 in KWin::Effect::paintScreen (this=0x8deca48, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#33 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#34 0x00138256 in KWin::Effect::paintScreen (this=0x8d68ea0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#35 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#36 0x03b937e9 in KWin::DesktopGridEffect::paintScreen (this=0x8d15a40, mask=8, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155
#37 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#38 0x03bcace2 in KWin::SlideEffect::paintScreen (this=0x8ee2a40, mask=8, region=..., data=...) at ../../../kwin/effects/slide/slide.cpp:86
#39 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#40 0x03b8c799 in KWin::BoxSwitchEffect::paintScreen (this=0x8ef65a8, mask=8, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143
#41 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#42 0x03be6bcc in KWin::CubeEffect::paintScreen (this=0x8e1d248, mask=8, region=..., data=...) at ../../../kwin/effects/cube/cube.cpp:698
#43 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#44 0x00138256 in KWin::Effect::paintScreen (this=0x8ece8e0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#45 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#46 0x00138256 in KWin::Effect::paintScreen (this=0x8dc3df8, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#47 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#48 0x00138256 in KWin::Effect::paintScreen (this=0x8de42b0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#49 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#50 0x03bdfa0c in KWin::CoverSwitchEffect::paintScreen (this=0x8f331c0, mask=8, region=..., data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:126
#51 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#52 0x00138256 in KWin::Effect::paintScreen (this=0x8cf3648, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#53 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#54 0x00138256 in KWin::Effect::paintScreen (this=0x8e21fe0, mask=8, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#55 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#56 0x03bd50c1 in KWin::ZoomEffect::paintScreen (this=0x8de4208, mask=8, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341
#57 0x00a25172 in KWin::EffectsHandlerImpl::paintScreen (this=0x8cc3b18, mask=8, region=..., data=...) at ../../kwin/effects.cpp:169
#58 0x00a0498c in KWin::Scene::paintScreen (this=0x89bb5d0, mask=0xbfc618c8, region=0xbfc61950) at ../../kwin/scene.cpp:137
#59 0x00a1b962 in KWin::SceneOpenGL::paint (this=0x89bb5d0, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:772
#60 0x00a00886 in KWin::Workspace::performCompositing (this=0x8cb5028) at ../../kwin/composite.cpp:448
#61 0x03816214 in QObject::event (this=0x8cb5028, e=0xbfc61e7c) at kernel/qobject.cpp:1190
#62 0x07161d24 in QApplicationPrivate::notify_helper (this=0x88c3308, receiver=0x8cb5028, e=0xbfc61e7c) at kernel/qapplication.cpp:4462
#63 0x071668ce in QApplication::notify (this=0xbfc62194, receiver=0x8cb5028, e=0xbfc61e7c) at kernel/qapplication.cpp:3862
#64 0x007673ca in KApplication::notify (this=0xbfc62194, receiver=0x8cb5028, event=0xbfc61e7c) at ../../kdeui/kernel/kapplication.cpp:311
#65 0x0098fabf in KWin::Application::notify (this=0xbfc62194, o=0x8cb5028, e=0xbfc61e7c) at ../../kwin/main.cpp:376
#66 0x038010bb in QCoreApplication::notifyInternal (this=0xbfc62194, receiver=0x8cb5028, event=0xbfc61e7c) at kernel/qcoreapplication.cpp:731
#67 0x038311e4 in sendEvent (this=0x88c49e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#68 QTimerInfoList::activateTimers (this=0x88c49e0) at kernel/qeventdispatcher_unix.cpp:604
#69 0x03831338 in QEventDispatcherUNIX::processEvents (this=0x8882ac0, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#70 0x072167ea in QEventDispatcherX11::processEvents (this=0x8882ac0, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#71 0x03800289 in QEventLoop::processEvents (this=0xbfc620d4, flags=...) at kernel/qeventloop.cpp:149
#72 0x03800522 in QEventLoop::exec (this=0xbfc620d4, flags=...) at kernel/qeventloop.cpp:201
#73 0x03804ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#74 0x0715f8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#75 0x009925b2 in kdemain (argc=3, argv=0xbfc62414) at ../../kwin/main.cpp:542
#76 0x080485bb in main (argc=3, argv=0xbfc62414) at kwin_dummy.cpp:3

Possible duplicates by query: bug 272745, bug 272727, bug 272726, bug 272704, bug 272699.

Reported using DrKonqi