Bug 271736

Application: kwin (4.5.1 (KDE 4.5.1))
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-28-generic i686
Distribution: Ubuntu 10.10

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

I was switching between virtual desktops when KDE crashed.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb60ed720 (LWP 1570))]

Thread 2 (Thread 0xac9dfb70 (LWP 1574)):
#0  0x00b52e36 in clock_gettime () from /lib/librt.so.1
#1  0x061de50b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x062b56e5 in QTimerInfoList::updateCurrentTime (this=0x9117270) at kernel/qeventdispatcher_unix.cpp:339
#4  0x062b572a in QTimerInfoList::timerWait (this=0x9117270, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x062b6cab in QEventDispatcherUNIX::processEvents (this=0x9116568, flags=...) at kernel/qeventdispatcher_unix.cpp:906
#6  0x06283609 in QEventLoop::processEvents (this=0xac9df1d0, flags=) at kernel/qeventloop.cpp:149
#7  0x06283a8a in QEventLoop::exec (this=0xac9df1d0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0617fb7e in QThread::exec (this=0x911a230) at thread/qthread.cpp:490
#9  0x0626235b in QInotifyFileSystemWatcherEngine::run (this=0x911a230) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x06182df9 in QThreadPrivate::start (arg=0x911a230) at thread/qthread_unix.cpp:266
#11 0x00ab6ba8 in ?? () from /usr/lib/nvidia-current/libGL.so.1

Thread 1 (Thread 0xb60ed720 (LWP 1570)):
[KCrash Handler]
#7  0x05cf6d3a in KWin::DesktopGridEffect::finish (this=0x90767d0) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:1322
#8  0x05cf993b in KWin::DesktopGridEffect::prePaintScreen (this=0x90767d0, data=..., time=22) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:146
#9  0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#10 0x05d33a71 in KWin::SlideEffect::prePaintScreen (this=0x906e8b0, data=..., time=22) at ../../../kwin/effects/slide/slide.cpp:60
#11 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#12 0x05cecfa3 in KWin::BoxSwitchEffect::prePaintScreen (this=0x908f600, data=..., time=22) at ../../../kwin/effects/boxswitch/boxswitch.cpp:137
#13 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#14 0x05d4b517 in KWin::CubeEffect::prePaintScreen (this=0x9092d38, data=..., time=22) at ../../../kwin/effects/cube/cube.cpp:317
#15 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#16 0x001cad30 in KWin::Effect::prePaintScreen (this=0x9097d58, data=..., time=22) at ../../../kwin/lib/kwineffects.cpp:222
#17 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#18 0x05d11f2e in KWin::MinimizeAnimationEffect::prePaintScreen (this=0x90925a8, data=..., time=22) at ../../../kwin/effects/minimizeanimation/minimizeanimation.cpp:64
#19 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#20 0x05d43beb in KWin::CoverSwitchEffect::prePaintScreen (this=0x908a440, data=..., time=22) at ../../../kwin/effects/coverswitch/coverswitch.cpp:119
#21 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#22 0x05d0b297 in KWin::LoginEffect::prePaintScreen (this=0x90a3230, data=..., time=22) at ../../../kwin/effects/login/login.cpp:52
#23 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#24 0x05d3e45d in KWin::ZoomEffect::prePaintScreen (this=0x90920e8, data=..., time=163824360) at ../../../kwin/effects/zoom/zoom.cpp:59
#25 0x00a1485b in KWin::EffectsHandlerImpl::prePaintScreen (this=0x8e2ea90, data=..., time=22) at ../../kwin/effects.cpp:158
#26 0x009f90f6 in KWin::Scene::paintScreen (this=0x8e74388, mask=0xbfe74a78, region=0xbfe74b44) at ../../kwin/scene.cpp:116
#27 0x00a0be8a in KWin::SceneOpenGL::paint (this=0x8e74388, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:754
#28 0x009f3be4 in KWin::Workspace::performCompositing (this=0x8e98668) at ../../kwin/composite.cpp:454
#29 0x00964c1e in KWin::Workspace::qt_metacall (this=0x8e98668, _c=QMetaObject::InvokeMetaMethod, _id=190, _a=0xbfe74c6c) at ./workspace.moc:583
#30 0x0628a8ca in QMetaObject::metacall (object=0x8e98668, cl=163983264, idx=190, argv=0xbfe74c6c) at kernel/qmetaobject.cpp:237
#31 0x0629d6ad in QMetaObject::activate (sender=0x8e98918, m=0x63b75a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280
#32 0x062ef1e7 in QTimer::timeout (this=0x8e98918) at .moc/release-shared/moc_qtimer.cpp:134
#33 0x062a31ce in QTimer::timerEvent (this=0x8e98918, e=0xbfe751c0) at kernel/qtimer.cpp:271
#34 0x06297504 in QObject::event (this=0x8e98918, e=0x9c3c2e8) at kernel/qobject.cpp:1183
#35 0x03bb4fdc in QApplicationPrivate::notify_helper (this=0x8d10c78, receiver=0x8e98918, e=0xbfe751c0) at kernel/qapplication.cpp:4396
#36 0x03bbb04e in QApplication::notify (this=0xbfe754c4, receiver=0x8e98918, e=0xbfe751c0) at kernel/qapplication.cpp:3798
#37 0x0056a68a in KApplication::notify (this=0xbfe754c4, receiver=0x8e98918, event=0xbfe751c0) at ../../kdeui/kernel/kapplication.cpp:310
#38 0x00981aef in KWin::Application::notify (this=0xbfe754c4, o=0x8e98918, e=0xbfe751c0) at ../../kwin/main.cpp:372
#39 0x06284b3b in QCoreApplication::notifyInternal (this=0xbfe754c4, receiver=0x8e98918, event=0xbfe751c0) at kernel/qcoreapplication.cpp:732
#40 0x062b6ad6 in sendEvent (this=0x8d11400) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#41 QTimerInfoList::activateTimers (this=0x8d11400) at kernel/qeventdispatcher_unix.cpp:602
#42 0x062b6c37 in QEventDispatcherUNIX::processEvents (this=0x8cf3e40, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#43 0x03c780d2 in QEventDispatcherX11::processEvents (this=0x8cf3e40, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#44 0x06283609 in QEventLoop::processEvents (this=0xbfe75414, flags=) at kernel/qeventloop.cpp:149
#45 0x06283a8a in QEventLoop::exec (this=0xbfe75414, flags=...) at kernel/qeventloop.cpp:201
#46 0x0628800f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#47 0x03bb3e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#48 0x00983c54 in kdemain (argc=3, argv=0xbfe75724) at ../../kwin/main.cpp:531
#49 0x080485ab in main (argc=3, argv=0xbfe75724) at kwin_dummy.cpp:3

Possible duplicates by query: bug 271197, bug 269551, bug 268218, bug 266809, bug 263431.

Reported using DrKonqi