Application: kwin (4.4.5 (KDE 4.4.5))
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.34-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
KWin crashed when switched back from text console.
After auto-restart kwin eats CPU and works slow.

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#5  KWin::WindowQuadList::select (this=<value optimized out>, type=KWin::WindowQuadDecoration) at ../../../kwin/lib/kwineffects.cpp:793
#6  0x00007f2eba017c04 in KWin::SceneOpenGL::Window::performPaint (this=0x4083a30, mask=9, region=) at ../../kwin/scene_opengl.cpp:1441
#7  0x00007f2eba00869b in KWin::Scene::finalDrawWindow (this=<value optimized out>, w=<value optimized out>, mask=9, region=) at ../../kwin/scene.cpp:324
#8  0x00007f2eba01ead9 in KWin::EffectsHandlerImpl::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../kwin/effects.cpp:178
#9  0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#10 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#11 0x00007f2eaa13e21c in KWin::ShadowEffect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/shadow/shadow.cpp:250
#12 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#13 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#14 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#15 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#16 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#17 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#18 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#19 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#20 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#21 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#22 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#23 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#24 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#25 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#26 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#27 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#28 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#29 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#30 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#31 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#32 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#33 0x00007f2eb88434ac in KWin::Effect::drawWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#34 0x00007f2eba01eb78 in KWin::EffectsHandlerImpl::drawWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#35 0x00007f2eba007b2c in KWin::Scene::finalPaintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:318
#36 0x00007f2eba01ebf9 in KWin::EffectsHandlerImpl::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../kwin/effects.cpp:157
#37 0x00007f2eaa11dd25 in KWin::LogoutEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=<value optimized out>, region=) at ../../../kwin/effects/logout/logout.cpp:187
#38 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#39 0x00007f2eb884353c in KWin::Effect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../../kwin/lib/kwineffects.cpp:242
#40 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#41 0x00007f2eaa1247fc in KWin::PresentWindowsEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:359
#42 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#43 0x00007f2eaa148917 in KWin::TaskbarThumbnailEffect::paintWindow (this=0x150dbe0, w=0x23c7df0, mask=9, region=<value optimized out>, data=...)
    at ../../../kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:71
#44 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#45 0x00007f2eaa11369d in KWin::DialogParentEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/dialogparent/dialogparent.cpp:70
#46 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#47 0x00007f2eaa1171e2 in KWin::FadeEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/fade/fade.cpp:160
#48 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#49 0x00007f2eaa147dd2 in KWin::SlidingPopupsEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/slidingpopups/slidingpopups.cpp:127
#50 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#51 0x00007f2eaa10d101 in KWin::DesktopGridEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:359
#52 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#53 0x00007f2eaa142204 in KWin::SlideEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/slide/slide.cpp:165
#54 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#55 0x00007f2eaa121faf in KWin::TranslucencyEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/translucency/translucency.cpp:180
#56 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#57 0x00007f2eaa12390d in KWin::MinimizeAnimationEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/minimizeanimation/minimizeanimation.cpp:103
#58 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#59 0x00007f2eaa14cf1d in KWin::CoverSwitchEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=) at ../../../kwin/effects/coverswitch/coverswitch.cpp:500
#60 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#61 0x00007f2eaa11d423 in KWin::LoginEffect::paintWindow (this=<value optimized out>, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../../kwin/effects/login/login.cpp:69
#62 0x00007f2eba01ec98 in KWin::EffectsHandlerImpl::paintWindow (this=0x139e590, w=0x23c7df0, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#63 0x00007f2eba00924c in KWin::Scene::paintWindow (this=<value optimized out>, w=0x4083a30, mask=9, region=) at ../../kwin/scene.cpp:312
#64 0x00007f2eba00a61a in KWin::Scene::paintSimpleScreen (this=0x1253790, orig_mask=<value optimized out>, region=<value optimized out>) at ../../kwin/scene.cpp:283
#65 0x00007f2eba007ba5 in KWin::Scene::finalPaintScreen (this=0x1253790, mask=8, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:176
#66 0x00007f2eba01ed16 in KWin::EffectsHandlerImpl::paintScreen (this=<value optimized out>, mask=8, region=) at ../../kwin/effects.cpp:126
#67 0x00007f2eaa11e85f in KWin::LogoutEffect::paintScreen (this=0x155e8a0, mask=8, region=<value optimized out>, data=...) at ../../../kwin/effects/logout/logout.cpp:196
#68 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#69 0x00007f2eaa13ddbc in KWin::ShadowEffect::paintScreen (this=0x14ff530, mask=8, region=) at ../../../kwin/effects/shadow/shadow.cpp:189
#70 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#71 0x00007f2eaa124f32 in KWin::PresentWindowsEffect::paintScreen (this=0x14fce00, mask=8, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:196
#72 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#73 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#74 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#75 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#76 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#77 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#78 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#79 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#80 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#81 0x00007f2eaa109c52 in KWin::DesktopGridEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:151
#82 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#83 0x00007f2eaa142a35 in KWin::SlideEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/slide/slide.cpp:86
#84 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#85 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#86 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#87 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#88 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#89 0x00007f2eaa14ecf4 in KWin::CoverSwitchEffect::paintScreen (this=0x14fcbf0, mask=8, region=<value optimized out>, data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:124
#90 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#91 0x00007f2eb88435bf in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#92 0x00007f2eba01edae in KWin::EffectsHandlerImpl::paintScreen (this=0x139e590, mask=8, region=) at ../../kwin/effects.cpp:122
#93 0x00007f2eba009de5 in KWin::Scene::paintScreen (this=0x1253790, mask=0x7fff8c1ab5dc, region=0x7fff8c1ab700) at ../../kwin/scene.cpp:134
#94 0x00007f2eba019560 in KWin::SceneOpenGL::paint (this=0x1253790, damage=<value optimized out>, toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:748
#95 0x00007f2eba004557 in KWin::Workspace::performCompositing (this=<value optimized out>) at ../../kwin/composite.cpp:424
#96 0x00007f2eb9f8c82e in KWin::Workspace::qt_metacall (this=0x122b6c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8c1ab8b0) at ./workspace.moc:535
#97 0x00007f2eb6d30346 in QMetaObject::activate (sender=0x122bb30, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3295
#98 0x00007f2eb6d2cba3 in QObject::event (this=0x122bb30, e=0x7fff8c1ac000) at kernel/qobject.cpp:1212
#99 0x00007f2eb74a832c in QApplicationPrivate::notify_helper (this=0x11d8980, receiver=0x122bb30, e=0x7fff8c1ac000) at kernel/qapplication.cpp:4302
#100 0x00007f2eb74ae80b in QApplication::notify (this=0x7fff8c1ac3e0, receiver=0x122bb30, e=0x7fff8c1ac000) at kernel/qapplication.cpp:4185
#101 0x00007f2eb97e2836 in KApplication::notify (this=0x7fff8c1ac3e0, receiver=0x122bb30, event=0x7fff8c1ac000) at ../../kdeui/kernel/kapplication.cpp:302
#102 0x00007f2eb6d1d15c in QCoreApplication::notifyInternal (this=0x7fff8c1ac3e0, receiver=0x122bb30, event=0x7fff8c1ac000) at kernel/qcoreapplication.cpp:726
#103 0x00007f2eb6d49ed2 in QCoreApplication::sendEvent (this=0x11d93e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#104 QTimerInfoList::activateTimers (this=0x11d93e0) at kernel/qeventdispatcher_unix.cpp:603
#105 0x00007f2eb6d4a04c in QEventDispatcherUNIX::processEvents (this=0x11bf450, flags=) at kernel/qeventdispatcher_unix.cpp:924
#106 0x00007f2eb7558ef9 in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#107 0x00007f2eb6d1ba82 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#108 0x00007f2eb6d1be5c in QEventLoop::exec (this=0x7fff8c1ac320, flags=) at kernel/qeventloop.cpp:201
#109 0x00007f2eb6d20aeb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#110 0x00007f2eb9fa77de in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:526
#111 0x00007f2eb9c15c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff8c1ac8e8) at libc-start.c:228
#112 0x0000000000400689 in _start ()

This bug may be a duplicate of or related to bug 235728.

Possible duplicates by query: bug 235728.

Reported using DrKonqi