Application: kwin (4.5.5 (KDE 4.5.5))
KDE Platform Version: 4.5.5 (KDE 4.5.5)
Qt Version: 4.7.1
Operating System: Linux 2.6.35.10-74.fc14.i686 i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Yes, kwin crashed when I've closed firefox, but I don't sure that crash caused by firefox.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#7  0x0000000b in ?? ()
#8  0x06c0b3ac in KWin::WindowPaintData::WindowPaintData (this=0xbf908f40, w=0x9c53fa0) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/lib/kwineffects.cpp:78
#9  0x07307271 in KWin::CoverSwitchEffect::paintFrontWindow (this=0xa515318, frontWindow=0x9c53fa0, width=1280, leftWindows=0, rightWindows=0, reflectedWindow=true) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects/coverswitch/coverswitch.cpp:785
#10 0x0730787b in KWin::CoverSwitchEffect::paintScene (this=0xa515318, frontWindow=0x9c53fa0, leftWindows=..., rightWindows=..., reflectedWindows=true) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects/coverswitch/coverswitch.cpp:444
#11 0x073090d7 in KWin::CoverSwitchEffect::paintScreen (this=0xa515318, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects/coverswitch/coverswitch.cpp:252
#12 0x0714fb12 in KWin::EffectsHandlerImpl::paintScreen (this=0xa25d7d8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects.cpp:168
#13 0x06c06997 in KWin::Effect::paintScreen (this=0xa389ea8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/lib/kwineffects.cpp:227
#14 0x0714fb12 in KWin::EffectsHandlerImpl::paintScreen (this=0xa25d7d8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects.cpp:168
#15 0x07300371 in KWin::ZoomEffect::paintScreen (this=0xa3378a0, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects/zoom/zoom.cpp:73
#16 0x0714fb12 in KWin::EffectsHandlerImpl::paintScreen (this=0xa25d7d8, mask=32, region=..., data=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/effects.cpp:168
#17 0x07137095 in KWin::Scene::paintScreen (this=0x9cf6d50, mask=0xbf90944c, region=0xbf909514) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/scene.cpp:137
#18 0x07149252 in KWin::SceneOpenGL::paint (this=0x9cf6d50, damage=..., toplevels=...) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/scene_opengl.cpp:758
#19 0x07132d84 in KWin::Workspace::performCompositing (this=0x9d20550) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/composite.cpp:454
#20 0x070a836f in KWin::Workspace::qt_metacall (this=0x9d20550, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf90962c) at /usr/src/debug/kdebase-workspace-4.5.5/i686-redhat-linux-gnu/kwin/workspace.moc:583
#21 0x04bebb6b in QMetaObject::metacall (object=0x9d20550, cl=QMetaObject::InvokeMetaMethod, idx=190, argv=0xbf90962c) at kernel/qmetaobject.cpp:237
#22 0x04bfb047 in QMetaObject::activate (sender=0x9d20800, m=0x4d21ac4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3272
#23 0x04c497a8 in QTimer::timeout (this=0x9d20800) at .moc/release-shared/moc_qtimer.cpp:134
#24 0x04c01c9e in QTimer::timerEvent (this=0x9d20800, e=0xbf909b7c) at kernel/qtimer.cpp:271
#25 0x04bfa9a4 in QObject::event (this=0x9d20800, e=0xbf909b7c) at kernel/qobject.cpp:1175
#26 0x0565526c in QApplicationPrivate::notify_helper (this=0x9c1be38, receiver=0x9d20800, e=0xbf909b7c) at kernel/qapplication.cpp:4445
#27 0x05659ed2 in QApplication::notify (this=0xbf909e94, receiver=0x9d20800, e=0xbf909b7c) at kernel/qapplication.cpp:3845
#28 0x052dbf7b in KApplication::notify (this=0xbf909e94, receiver=0x9d20800, event=0xbf909b7c) at /usr/src/debug/kdelibs-4.5.5/kdeui/kernel/kapplication.cpp:310
#29 0x070c3c70 in KWin::Application::notify (this=0xbf909e94, o=0x9d20800, e=0xbf909b7c) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/main.cpp:372
#30 0x04be5333 in QCoreApplication::notifyInternal (this=0xbf909e94, receiver=0x9d20800, event=0xbf909b7c) at kernel/qcoreapplication.cpp:732
#31 0x04c15cb1 in sendEvent (this=0x9c1c5c0) at kernel/qcoreapplication.h:215
#32 QTimerInfoList::activateTimers (this=0x9c1c5c0) at kernel/qeventdispatcher_unix.cpp:603
#33 0x04c15e09 in QEventDispatcherUNIX::processEvents (this=0x9bffb70, flags=...) at kernel/qeventdispatcher_unix.cpp:922
#34 0x057094f2 in QEventDispatcherX11::processEvents (this=0x9bffb70, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#35 0x04be44ca in QEventLoop::processEvents (this=0xbf909de4, flags=...) at kernel/qeventloop.cpp:149
#36 0x04be477a in QEventLoop::exec (this=0xbf909de4, flags=...) at kernel/qeventloop.cpp:201
#37 0x04be9327 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#38 0x05653078 in QApplication::exec () at kernel/qapplication.cpp:3719
#39 0x070c6611 in kdemain (argc=1, argv=0xbf90a0f4) at /usr/src/debug/kdebase-workspace-4.5.5/kwin/main.cpp:531
#40 0x080487bc in main (argc=1, argv=0xbf90a0f4) at /usr/src/debug/kdebase-workspace-4.5.5/i686-redhat-linux-gnu/kwin/kwin_dummy.cpp:3

Possible duplicates by query: bug 264087, bug 255467, bug 242134.

Reported using DrKonqi