Application that crashed: kwin
Version of the application: 4.3.1 (KDE 4.3.1) "release 6"
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-0.1-default i686
Distribution: "openSUSE 11.2 (i586)"

What I was doing when the application crashed:
 

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#6  KWin::FlipSwitchEffect::paintScreen (this=0x822c2e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects/flipswitch/flipswitch.cpp:199
#7  0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#8  0xb12f67b3 in KWin::DesktopGridEffect::paintScreen (this=0x822dee8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects/desktopgrid/desktopgrid.cpp:140
#9  0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#10 0xb134b2b9 in KWin::CubeSlideEffect::paintScreen (this=0x825de18, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects/cube/cubeslide.cpp:109
#11 0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#12 0xb6f0349a in KWin::Effect::paintScreen (this=0x825ff58, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/lib/kwineffects.cpp:206
#13 0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#14 0xb6f0349a in KWin::Effect::paintScreen (this=0x8244348, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/lib/kwineffects.cpp:206
#15 0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#16 0xb6f0349a in KWin::Effect::paintScreen (this=0x8236188, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/lib/kwineffects.cpp:206
#17 0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#18 0xb1331eda in KWin::ZoomEffect::paintScreen (this=0x8231948, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects/zoom/zoom.cpp:73
#19 0xb777c675 in KWin::EffectsHandlerImpl::paintScreen (this=0x81961e8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/effects.cpp:122
#20 0xb7764809 in KWin::Scene::paintScreen (this=0x813b510, mask=0xbfe15638, region=0xbfe15708) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/scene.cpp:134
#21 0xb7774b30 in KWin::SceneOpenGL::paint (this=0x813b510, damage=..., toplevels=...) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/scene_opengl.cpp:746
#22 0xb775fc9d in KWin::Workspace::performCompositing (this=0x811add8) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/composite.cpp:420
#23 0xb76eccde in KWin::Workspace::qt_metacall (this=0x811add8, _c=InvokeMetaMethod, _id=153, _a=0xbfe157fc) at /usr/src/debug/kdebase-workspace-4.3.1/build/kwin/workspace.moc:473
#24 0xb5f64864 in QMetaObject::activate (sender=0x811b03c, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#25 0xb5f65585 in QMetaObject::activate (sender=0x811b03c, m=0xb6041904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#26 0xb5fa0715 in QTimer::timeout (this=0x811b03c) at .moc/release-shared/moc_qtimer.cpp:128
#27 0xb5f6a196 in QTimer::timerEvent (this=0x811b03c, e=0xbfe15ca4) at kernel/qtimer.cpp:261
#28 0xb5f5e51b in QObject::event (this=0x811b03c, e=0xbfe15ca4) at kernel/qobject.cpp:1075
#29 0xb61d18fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb61d934e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0xb7357ce1 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0xb7703591 in KWin::Application::notify (this=0xbfe16008, o=0x811b03c, e=0xbfe15ca4) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/main.cpp:366
#33 0xb5f4e32e in QCoreApplication::notifyInternal (this=0xbfe16008, receiver=0x811b03c, event=0xbfe15ca4) at kernel/qcoreapplication.cpp:610
#34 0xb5f7d356 in sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#35 QTimerInfoList::activateTimers (event=<value optimized out>, receiver=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:594
#36 0xb5f7a325 in timerSourceDispatch (source=0x8069170) at kernel/qeventdispatcher_glib.cpp:184
#37 idleTimerSourceDispatch (source=0x8069170) at kernel/qeventdispatcher_glib.cpp:231
#38 0xb383b4c2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#39 0xb383ed98 in ?? () from /usr/lib/libglib-2.0.so.0
#40 0xb383eebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#41 0xb5f7a011 in QEventDispatcherGlib::processEvents (this=0x804fdd0, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#42 0xb627329a in ?? () from /usr/lib/libQtGui.so.4
#43 0xb5f4c98d in QEventLoop::processEvents (this=0xbfe15f54, flags=) at kernel/qeventloop.cpp:149
#44 0xb5f4cdd9 in QEventLoop::exec (this=0xbfe15f54, flags=...) at kernel/qeventloop.cpp:201
#45 0xb5f4f270 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#46 0xb61d1774 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#47 0xb77060dc in kdemain (argc=1, argv=0xbfe161f4) at /usr/src/debug/kdebase-workspace-4.3.1/kwin/main.cpp:522
#48 0x080485fb in main (argc=1, argv=0xbfe161f4) at /usr/src/debug/kdebase-workspace-4.3.1/build/kwin/kwin_dummy.cpp:3

Reported using DrKonqi