Application that crashed: kwin
Version of the application: 4.3.4 (KDE 4.3.4)
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.6.0
Operating System: Linux 2.6.30-2-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
I was checking the encoding quality of some movies, and was launching them one-by-one in smplayer. The third time I did so, smplayer presented a strange half-drawn, half-enlarged view and kwin crashed. Immediately afterwards smplayer presented a correct window.

Not sure how to reproduce this as I haven't gotten it to happen again.

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007fa17804caf6 in QPixmap::handle (this=0x2878898) at image/qpixmap.cpp:1168
#6  0x00007fa17b91a759 in KWin::SceneOpenGL::Window::paintDecoration (this=0x1ee39e0, decoration=0x2878898, decorationType=KWin::SceneOpenGL::Window::DecorationLeft, region=<value optimized out>, 
    rect=<value optimized out>, data=..., quads=..., updateDeco=true) at ../../kwin/scene_opengl.cpp:1554
#7  0x00007fa17b91b14f in KWin::SceneOpenGL::Window::performPaint (this=0x1ee39e0, mask=<value optimized out>, region=) at ../../kwin/scene_opengl.cpp:1516
#8  0x00007fa17b90837b in KWin::Scene::finalDrawWindow (this=<value optimized out>, w=<value optimized out>, mask=9, region=) at ../../kwin/scene.cpp:324
#9  0x00007fa17b91e3a9 in KWin::EffectsHandlerImpl::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../kwin/effects.cpp:178
#10 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#11 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#12 0x00007fa165b12a2f in KWin::ShadowEffect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/shadow/shadow.cpp:241
#13 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#14 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#15 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#16 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#17 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#18 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#19 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#20 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#21 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#22 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#23 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#24 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#25 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#26 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#27 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#28 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#29 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#30 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#31 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#32 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#33 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#34 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#35 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#36 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#37 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#38 0x00007fa17a478d5c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:231
#39 0x00007fa17b91e445 in KWin::EffectsHandlerImpl::drawWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:174
#40 0x00007fa17b9079fc in KWin::Scene::finalPaintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:318
#41 0x00007fa17b91e4c9 in KWin::EffectsHandlerImpl::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../kwin/effects.cpp:157
#42 0x00007fa165af490d in KWin::LogoutEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=<value optimized out>, region=) at ../../../kwin/effects/logout/logout.cpp:173
#43 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#44 0x00007fa17a478dec in KWin::Effect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../../kwin/lib/kwineffects.cpp:221
#45 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#46 0x00007fa165afb765 in KWin::PresentWindowsEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:313
#47 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#48 0x00007fa165af26ef in KWin::HighlightWindowEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/highlightwindow/highlightwindow.cpp:86
#49 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#50 0x00007fa165b1b027 in KWin::TaskbarThumbnailEffect::paintWindow (this=0x20de770, w=0x2136150, mask=9, region=<value optimized out>, data=...)
    at ../../../kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:71
#51 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#52 0x00007fa165aea83d in KWin::DialogParentEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/dialogparent/dialogparent.cpp:70
#53 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#54 0x00007fa165aee1ba in KWin::FadeEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/fade/fade.cpp:160
#55 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#56 0x00007fa165ae7add in KWin::DesktopGridEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:299
#57 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#58 0x00007fa165afaa16 in KWin::MinimizeAnimationEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/minimizeanimation/minimizeanimation.cpp:96
#59 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#60 0x00007fa165af886f in KWin::TranslucencyEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/translucency/translucency.cpp:180
#61 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#62 0x00007fa165add184 in KWin::BoxSwitchEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/boxswitch/boxswitch.cpp:223
#63 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#64 0x00007fa165b2bd70 in KWin::CubeEffect::paintWindow (this=0x1f97b80, w=0x2136150, mask=9, region=<value optimized out>, data=...) at ../../../kwin/effects/cube/cube.cpp:1551
#65 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#66 0x00007fa165b16c54 in KWin::SlideEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=) at ../../../kwin/effects/slide/slide.cpp:165
#67 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#68 0x00007fa165af41b3 in KWin::LoginEffect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../../kwin/effects/login/login.cpp:69
#69 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#70 0x00007fa17a478dec in KWin::Effect::paintWindow (this=<value optimized out>, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>)
    at ../../../kwin/lib/kwineffects.cpp:221
#71 0x00007fa17b91e565 in KWin::EffectsHandlerImpl::paintWindow (this=0x20c1c90, w=0x2136150, mask=9, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:153
#72 0x00007fa17b9095ec in KWin::Scene::paintWindow (this=<value optimized out>, w=0x1ee39e0, mask=9, region=) at ../../kwin/scene.cpp:312
#73 0x00007fa17b90a03a in KWin::Scene::paintSimpleScreen (this=0x21e0820, orig_mask=<value optimized out>, region=<value optimized out>) at ../../kwin/scene.cpp:283
#74 0x00007fa17b907a75 in KWin::Scene::finalPaintScreen (this=0x21e0820, mask=8, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:176
#75 0x00007fa17b91e5e6 in KWin::EffectsHandlerImpl::paintScreen (this=<value optimized out>, mask=8, region=) at ../../kwin/effects.cpp:126
#76 0x00007fa165af534f in KWin::LogoutEffect::paintScreen (this=0x2086de0, mask=8, region=<value optimized out>, data=...) at ../../../kwin/effects/logout/logout.cpp:184
#77 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#78 0x00007fa165b125f0 in KWin::ShadowEffect::paintScreen (this=0x20a6360, mask=8, region=) at ../../../kwin/effects/shadow/shadow.cpp:181
#79 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#80 0x00007fa165afb662 in KWin::PresentWindowsEffect::paintScreen (this=0x1e398a0, mask=8, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:157
#81 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#82 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#83 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#84 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#85 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#86 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#87 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#88 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#89 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#90 0x00007fa165ae625d in KWin::DesktopGridEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...)
    at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:140
#91 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#92 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#93 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#94 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#95 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#96 0x00007fa165ae3fb8 in KWin::BoxSwitchEffect::paintScreen (this=0x1f6b070, mask=8, region=) at ../../../kwin/effects/boxswitch/boxswitch.cpp:130
#97 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#98 0x00007fa165b2e472 in KWin::CubeEffect::paintScreen (this=<value optimized out>, mask=8, region=) at ../../../kwin/effects/cube/cube.cpp:669
#99 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#100 0x00007fa165b17485 in KWin::SlideEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/slide/slide.cpp:86
#101 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#102 0x00007fa17a478e6f in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:206
#103 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#104 0x00007fa165b1e611 in KWin::ZoomEffect::paintScreen (this=<value optimized out>, mask=8, region=) at ../../../kwin/effects/zoom/zoom.cpp:73
#105 0x00007fa17b91e67b in KWin::EffectsHandlerImpl::paintScreen (this=0x20c1c90, mask=8, region=) at ../../kwin/effects.cpp:122
#106 0x00007fa17b909815 in KWin::Scene::paintScreen (this=0x21e0820, mask=0x7fffc1f48dcc, region=0x7fffc1f48ef0) at ../../kwin/scene.cpp:134
#107 0x00007fa17b917ec3 in KWin::SceneOpenGL::paint (this=0x21e0820, damage=<value optimized out>, toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:746
#108 0x00007fa17b90565f in KWin::Workspace::performCompositing (this=<value optimized out>) at ../../kwin/composite.cpp:421
#109 0x00007fa17b8a1846 in KWin::Workspace::qt_metacall (this=0x1eb3420, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc1f49090) at ./workspace.moc:473
#110 0x00007fa1777ee647 in QMetaObject::activate (sender=0x1eb3848, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3294
#111 0x00007fa1777eaa53 in QObject::event (this=0x1eb3848, e=0x2878898) at kernel/qobject.cpp:1224
#112 0x00007fa177f6a08d in QApplicationPrivate::notify_helper (this=0x1c7bdc0, receiver=0x1eb3848, e=0x7fffc1f497d0) at kernel/qapplication.cpp:4242
#113 0x00007fa177f703bd in QApplication::notify (this=0x7fffc1f49b40, receiver=0x1eb3848, e=0x7fffc1f497d0) at kernel/qapplication.cpp:4125
#114 0x00007fa17b125e06 in KApplication::notify (this=0x7fffc1f49b40, receiver=0x1eb3848, event=0x7fffc1f497d0) at ../../kdeui/kernel/kapplication.cpp:302
#115 0x00007fa1777dabdc in QCoreApplication::notifyInternal (this=0x7fffc1f49b40, receiver=0x1eb3848, event=0x7fffc1f497d0) at kernel/qcoreapplication.cpp:704
#116 0x00007fa1778083e4 in QCoreApplication::sendEvent (this=0x1c7ea20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#117 QTimerInfoList::activateTimers (this=0x1c7ea20) at kernel/qeventdispatcher_unix.cpp:603
#118 0x00007fa1778049a8 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#119 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#120 0x00007fa1713a090e in g_main_dispatch (context=0x1c7e800) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:1960
#121 IA__g_main_context_dispatch (context=0x1c7e800) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2513
#122 0x00007fa1713a42c8 in g_main_context_iterate (context=0x1c7e800, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2591
#123 0x00007fa1713a43f0 in IA__g_main_context_iteration (context=0x1c7e800, may_block=1) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2654
#124 0x00007fa17780468c in QEventDispatcherGlib::processEvents (this=0x1c7bd50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#125 0x00007fa17801a53f in QGuiEventDispatcherGlib::processEvents (this=0x2878898, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#126 0x00007fa1777d94c2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#127 0x00007fa1777d9894 in QEventLoop::exec (this=0x7fffc1f49a80, flags=...) at kernel/qeventloop.cpp:201
#128 0x00007fa1777dbd46 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#129 0x00007fa17b8b7fb4 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:522
#130 0x00007fa17b53dabd 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=0x7fffc1f4a028) at libc-start.c:222
#131 0x0000000000400649 in _start ()

This bug may be a duplicate of or related to bug 213507

Reported using DrKonqi