Bug 262099

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 2.6.35-24-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
@ logon. when desktop effects are activated with open GL compositing and functionality check is dissabled. kwin crashes and recovers.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[Current thread is 1 (Thread 0xb780d720 (LWP 1620))]

Thread 2 (Thread 0xaefd2b70 (LWP 1628)):
#0  0x00586416 in __kernel_vsyscall ()
#1  0x00ea0371 in select () from /lib/libc.so.6
#2  0x04ca7872 in qt_safe_select (nfds=16, fdread=0xa232f70, fdwrite=0xa233184, fdexcept=0xa233398, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#3  0x04cac329 in QEventDispatcherUNIX::select (this=0xa230670, nfds=16, readfds=0xa232f70, writefds=0xa233184, exceptfds=0xa233398, timeout=0x0) at kernel/qeventdispatcher_unix.cpp:632
#4  0x04caceac in QEventDispatcherUNIXPrivate::doSelect (this=0xa232e78, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219
#5  0x04cadc25 in QEventDispatcherUNIX::processEvents (this=0xa230670, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#6  0x04c7a609 in QEventLoop::processEvents (this=0xaefd2280, flags=) at kernel/qeventloop.cpp:149
#7  0x04c7aa8a in QEventLoop::exec (this=0xaefd2280, flags=...) at kernel/qeventloop.cpp:201
#8  0x04b76b7e in QThread::exec (this=0xa061998) at thread/qthread.cpp:490
#9  0x04c5935b in QInotifyFileSystemWatcherEngine::run (this=0xa061998) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x04b79df9 in QThreadPrivate::start (arg=0xa061998) at thread/qthread_unix.cpp:266
#11 0x00c29cc9 in start_thread () from /lib/libpthread.so.0
#12 0x00ea769e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb780d720 (LWP 1620)):
[KCrash Handler]
#7  0x00586416 in __kernel_vsyscall ()
#8  0x00e01941 in raise () from /lib/libc.so.6
#9  0x00e04e42 in abort () from /lib/libc.so.6
#10 0x00b984af in KWin::EffectWindowImpl::unrefWindow (this=0xa0dd6a0) at ../../kwin/effects.cpp:1289
#11 0x03adfd42 in KWin::DesktopGridEffect::finish (this=0xa2a1b28) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:1322
#12 0x03ae293b in KWin::DesktopGridEffect::prePaintScreen (this=0xa2a1b28, data=..., time=1) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:146
#13 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#14 0x03ad5fa3 in KWin::BoxSwitchEffect::prePaintScreen (this=0xa2c19d8, data=..., time=1) at ../../../kwin/effects/boxswitch/boxswitch.cpp:137
#15 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#16 0x0052dd30 in KWin::Effect::prePaintScreen (this=0xa2c2aa0, data=..., time=1) at ../../../kwin/lib/kwineffects.cpp:222
#17 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#18 0x03af4297 in KWin::LoginEffect::prePaintScreen (this=0xa28ff70, data=..., time=1) at ../../../kwin/effects/login/login.cpp:52
#19 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#20 0x03aeb9d6 in KWin::DimScreenEffect::prePaintScreen (this=0xa29f9f8, data=..., time=1) at ../../../kwin/effects/dimscreen/dimscreen.cpp:56
#21 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#22 0x03b2745d in KWin::ZoomEffect::prePaintScreen (this=0xa29c9a0, data=..., time=6) at ../../../kwin/effects/zoom/zoom.cpp:59
#23 0x00b9a85b in KWin::EffectsHandlerImpl::prePaintScreen (this=0xa0d4e78, data=..., time=1) at ../../kwin/effects.cpp:158
#24 0x00b7f0f6 in KWin::Scene::paintScreen (this=0xa0cabe8, mask=0xbfd3b7e8, region=0xbfd3b8b4) at ../../kwin/scene.cpp:116
#25 0x00b88e7b in KWin::SceneXrender::paint (this=0xa0cabe8, damage=..., toplevels=...) at ../../kwin/scene_xrender.cpp:278
#26 0x00b79be4 in KWin::Workspace::performCompositing (this=0x9ff26c8) at ../../kwin/composite.cpp:454
#27 0x00aeac1e in KWin::Workspace::qt_metacall (this=0x9ff26c8, _c=QMetaObject::InvokeMetaMethod, _id=190, _a=0xbfd3b9dc) at ./workspace.moc:583
#28 0x04c818ca in QMetaObject::metacall (object=0x9ff26c8, cl=1620, idx=190, argv=0xbfd3b9dc) at kernel/qmetaobject.cpp:237
#29 0x04c946ad in QMetaObject::activate (sender=0x9ff2978, m=0x4dae5a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280
#30 0x04ce61e7 in QTimer::timeout (this=0x9ff2978) at .moc/release-shared/moc_qtimer.cpp:134
#31 0x04c9a1ce in QTimer::timerEvent (this=0x9ff2978, e=0xbfd3bf30) at kernel/qtimer.cpp:271
#32 0x04c8e504 in QObject::event (this=0x9ff2978, e=0x6) at kernel/qobject.cpp:1183
#33 0x012e5fdc in QApplicationPrivate::notify_helper (this=0x9f26fd8, receiver=0x9ff2978, e=0xbfd3bf30) at kernel/qapplication.cpp:4396
#34 0x012ec04e in QApplication::notify (this=0xbfd3c234, receiver=0x9ff2978, e=0xbfd3bf30) at kernel/qapplication.cpp:3798
#35 0x002e868a in KApplication::notify (this=0xbfd3c234, receiver=0x9ff2978, event=0xbfd3bf30) at ../../kdeui/kernel/kapplication.cpp:310
#36 0x00b07aef in KWin::Application::notify (this=0xbfd3c234, o=0x9ff2978, e=0xbfd3bf30) at ../../kwin/main.cpp:372
#37 0x04c7bb3b in QCoreApplication::notifyInternal (this=0xbfd3c234, receiver=0x9ff2978, event=0xbfd3bf30) at kernel/qcoreapplication.cpp:732
#38 0x04cadad6 in sendEvent (this=0x9f27760) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QTimerInfoList::activateTimers (this=0x9f27760) at kernel/qeventdispatcher_unix.cpp:602
#40 0x04cadc37 in QEventDispatcherUNIX::processEvents (this=0x9f0a980, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#41 0x013a90d2 in QEventDispatcherX11::processEvents (this=0x9f0a980, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#42 0x04c7a609 in QEventLoop::processEvents (this=0xbfd3c184, flags=) at kernel/qeventloop.cpp:149
#43 0x04c7aa8a in QEventLoop::exec (this=0xbfd3c184, flags=...) at kernel/qeventloop.cpp:201
#44 0x04c7f00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#45 0x012e4e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#46 0x00b09c54 in kdemain (argc=3, argv=0xbfd3c494) at ../../kwin/main.cpp:531
#47 0x080485ab in main (argc=3, argv=0xbfd3c494) at kwin_dummy.cpp:3

Possible duplicates by query: bug 259344, bug 259194, bug 255890, bug 254654, bug 248647.

Reported using DrKonqi