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 2.6.38-10-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
kwin crashed when I closed stellarium. Gee it's pretty tough to send a crash report in ubuntu...

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7837720 (LWP 1671))]

Thread 2 (Thread 0xb4005b70 (LWP 1676)):
#0  0x00f28416 in __kernel_vsyscall ()
#1  0x009ea48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00e913fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x010b0817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x11c41c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x010b0851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x11c41c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x009e5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x00e8373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7837720 (LWP 1671)):
[KCrash Handler]
#7  intel_region_buffer (intel=0x8650ea0, region=0x0, flag=2) at intel_regions.c:514
#8  0x0234bce2 in intelClearWithBlit (ctx=0x8650ea0, mask=2) at intel_blit.c:262
#9  0x0234e4c0 in intelClear (ctx=0x8650ea0, mask=2) at intel_clear.c:177
#10 0x02414512 in _mesa_Clear (mask=<value optimized out>) at main/clear.c:241
#11 0x0043684b in KWin::SceneOpenGL::paintBackground (this=0x8650628, region=...) at ../../kwin/scene_opengl.cpp:921
#12 0x0042d562 in KWin::Scene::paintGenericScreen (this=0x8650628, orig_mask=32) at ../../kwin/scene.cpp:188
#13 0x00436a31 in KWin::SceneOpenGL::paintGenericScreen (this=0x8650628, mask=32, data=...) at ../../kwin/scene_opengl.cpp:909
#14 0x0042a7c0 in KWin::Scene::finalPaintScreen (this=0x8650628, mask=32, region=..., data=...) at ../../kwin/scene.cpp:178
#15 0x0044c0fc in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:173
#16 0x03d360e9 in KWin::StartupFeedbackEffect::paintScreen (this=0x8a3dcc8, mask=32, region=..., data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166
#17 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#18 0x001bb256 in KWin::Effect::paintScreen (this=0x89b4860, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#19 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#20 0x03cd807f in KWin::LogoutEffect::paintScreen (this=0x89b9ab0, mask=32, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207
#21 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#22 0x03cf3b10 in KWin::ShadowEffect::paintScreen (this=0x8a3b1d8, mask=32, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189
#23 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#24 0x03d08013 in KWin::BlurEffect::paintScreen (this=0x8a192a0, mask=32, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230
#25 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#26 0x001bb256 in KWin::Effect::paintScreen (this=0x89d9d20, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#27 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#28 0x001bb256 in KWin::Effect::paintScreen (this=0x89e2218, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#29 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#30 0x03cdce6f in KWin::PresentWindowsEffect::paintScreen (this=0x89b6970, mask=32, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205
#31 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#32 0x001bb256 in KWin::Effect::paintScreen (this=0x8a9d080, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#33 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#34 0x001bb256 in KWin::Effect::paintScreen (this=0x8a18600, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#35 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#36 0x03cc37e9 in KWin::DesktopGridEffect::paintScreen (this=0x89da978, mask=32, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155
#37 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#38 0x001bb256 in KWin::Effect::paintScreen (this=0x89bd460, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#39 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#40 0x03cface2 in KWin::SlideEffect::paintScreen (this=0x8a401d8, mask=32, region=..., data=...) at ../../../kwin/effects/slide/slide.cpp:86
#41 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#42 0x001bb256 in KWin::Effect::paintScreen (this=0x8a07428, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#43 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#44 0x03cbc799 in KWin::BoxSwitchEffect::paintScreen (this=0x8a285e0, mask=32, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143
#45 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#46 0x001bb256 in KWin::Effect::paintScreen (this=0x8b636e8, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#47 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#48 0x001bb256 in KWin::Effect::paintScreen (this=0x89bf9e0, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#49 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#50 0x001bb256 in KWin::Effect::paintScreen (this=0x8a34d38, mask=32, region=..., data=...) at ../../../kwin/lib/kwineffects.cpp:227
#51 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#52 0x03d050c1 in KWin::ZoomEffect::paintScreen (this=0x89bbc50, mask=32, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341
#53 0x0044c172 in KWin::EffectsHandlerImpl::paintScreen (this=0x87d8158, mask=32, region=..., data=...) at ../../kwin/effects.cpp:169
#54 0x0042b98c in KWin::Scene::paintScreen (this=0x8650628, mask=0xbfe35bd8, region=0xbfe35c60) at ../../kwin/scene.cpp:137
#55 0x00442962 in KWin::SceneOpenGL::paint (this=0x8650628, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:772
#56 0x00427886 in KWin::Workspace::performCompositing (this=0x89764d0) at ../../kwin/composite.cpp:448
#57 0x01e65214 in QObject::event (this=0x89764d0, e=0xbfe3618c) at kernel/qobject.cpp:1190
#58 0x04ca3d24 in QApplicationPrivate::notify_helper (this=0x85b12a0, receiver=0x89764d0, e=0xbfe3618c) at kernel/qapplication.cpp:4462
#59 0x04ca88ce in QApplication::notify (this=0xbfe364a4, receiver=0x89764d0, e=0xbfe3618c) at kernel/qapplication.cpp:3862
#60 0x007d33ca in KApplication::notify (this=0xbfe364a4, receiver=0x89764d0, event=0xbfe3618c) at ../../kdeui/kernel/kapplication.cpp:311
#61 0x003b6abf in KWin::Application::notify (this=0xbfe364a4, o=0x89764d0, e=0xbfe3618c) at ../../kwin/main.cpp:376
#62 0x01e500bb in QCoreApplication::notifyInternal (this=0xbfe364a4, receiver=0x89764d0, event=0xbfe3618c) at kernel/qcoreapplication.cpp:731
#63 0x01e801e4 in sendEvent (this=0x85b1b88) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#64 QTimerInfoList::activateTimers (this=0x85b1b88) at kernel/qeventdispatcher_unix.cpp:604
#65 0x01e80338 in QEventDispatcherUNIX::processEvents (this=0x856faa8, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#66 0x04d5b25a in QEventDispatcherX11::processEvents (this=0x856faa8, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#67 0x01e4f289 in QEventLoop::processEvents (this=0xbfe363e4, flags=...) at kernel/qeventloop.cpp:149
#68 0x01e4f522 in QEventLoop::exec (this=0xbfe363e4, flags=...) at kernel/qeventloop.cpp:201
#69 0x01e53ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#70 0x04ca18e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#71 0x003b95b2 in kdemain (argc=1, argv=0xbfe36724) at ../../kwin/main.cpp:542
#72 0x080485bb in main (argc=1, argv=0xbfe36724) at kwin_dummy.cpp:3

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

Possible duplicates by query: bug 280499, bug 280415, bug 280190, bug 280059, bug 279129.

Reported using DrKonqi