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 2.6.38-11-generic-pae i686
Distribution: Ubuntu 11.04

-- Information about the crash:
I just opened Dolphin then moved to some other application. When i selected the dolphin window from the taskbar, the system hung. 

I logged out and logged in again. this time also I just opened Dolphin then moved to some other application and noticed the crash dialog suddenly.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[Current thread is 1 (Thread 0xb2927720 (LWP 2003))]

Thread 3 (Thread 0xad4c7b70 (LWP 2008)):
#0  0xb77ca424 in __kernel_vsyscall ()
#1  0xb7605681 in select () from /lib/i386-linux-gnu/libc.so.6
#2  0xb65cc38b in qt_safe_select (nfds=15, fdread=0x8b66798, fdwrite=0x8b669ac, fdexcept=0x8b66bc0, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#3  0xb65d06e9 in QEventDispatcherUNIX::select (this=0x8b15370, nfds=15, readfds=0x8b66798, writefds=0x8b669ac, exceptfds=0x8b66bc0, timeout=0x0) at kernel/qeventdispatcher_unix.cpp:632
#4  0xb65d166b in QEventDispatcherUNIXPrivate::doSelect (this=0x8b666a0, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219
#5  0xb65d2326 in QEventDispatcherUNIX::processEvents (this=0x8b15370, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#6  0xb65a1289 in QEventLoop::processEvents (this=0xad4c7280, flags=...) at kernel/qeventloop.cpp:149
#7  0xb65a1522 in QEventLoop::exec (this=0xad4c7280, flags=...) at kernel/qeventloop.cpp:201
#8  0xb64ab2a0 in QThread::exec (this=0x89f0648) at thread/qthread.cpp:492
#9  0xb6582fdb in QInotifyFileSystemWatcherEngine::run (this=0x89f0648) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb64adda2 in QThreadPrivate::start (arg=0x89f0648) at thread/qthread_unix.cpp:320
#11 0xb393fe99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb760c73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xaccc6b70 (LWP 2009)):
#0  0xb77ca424 in __kernel_vsyscall ()
#1  0xb394448c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb761a3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb6d98817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb6eac1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xb6d98851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb6eac1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xb393fe99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb760c73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb2927720 (LWP 2003)):
[KCrash Handler]
#7  0xb77ca424 in __kernel_vsyscall ()
#8  0xb7566e71 in raise () from /lib/i386-linux-gnu/libc.so.6
#9  0xb756a34e in abort () from /lib/i386-linux-gnu/libc.so.6
#10 0xb598f0b5 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#11 0xb598cfa5 in ?? () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#12 0xb598cfe2 in std::terminate() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#13 0xb598d1ab in __cxa_rethrow () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#14 0xb5bd1239 in QVector<QPointF>::realloc (this=0xbf977bcc, asize=67108863, aalloc=134217727) at ../../include/QtCore/../../src/corelib/tools/qvector.h:487
#15 0xb5bdb75f in QVector<QPointF>::append (this=0xbf977bcc, t=...) at ../../include/QtCore/../../src/corelib/tools/qvector.h:549
#16 0xb5c0cd4d in QBezier::addToPolygon (this=0xbf977ac8, polygon=0xbf977bcc, bezier_flattening_threshold=0.5) at painting/qbezier.cpp:220
#17 0xb5c6f366 in QPainterPath::toSubpathPolygons (this=0xbf977de4, matrix=...) at painting/qpainterpath.cpp:1510
#18 0xb5c6f731 in QPainterPath::toFillPolygons (this=0xbf977de4, matrix=...) at painting/qpainterpath.cpp:1561
#19 0xb5c6fd02 in QPainterPath::toFillPolygons (this=0xbf977de4, matrix=...) at painting/qpainterpath.cpp:1656
#20 0xb5d1b7a3 in QX11PaintEnginePrivate::fillPath (this=0x8855bb8, path=..., gc_mode=QX11PaintEnginePrivate::PenGC, transform=false) at painting/qpaintengine_x11.cpp:1752
#21 0xb5d1c006 in QX11PaintEngine::drawPath (this=0x89bc0b0, path=...) at painting/qpaintengine_x11.cpp:1815
#22 0xb5d1b531 in QX11PaintEngine::drawPolygon (this=0x89bc0b0, polygonPoints=0xbf979004, pointCount=4, mode=QPaintEngine::OddEvenMode) at painting/qpaintengine_x11.cpp:1727
#23 0xb5c44b56 in QPaintEngine::drawPolygon (this=0x89bc0b0, points=0xbf97a3d0, pointCount=4, mode=QPaintEngine::OddEvenMode) at painting/qpaintengine.cpp:365
#24 0xb5d1c392 in QX11PaintEngine::drawPolygon (this=0x89bc0b0, points=0xbf97a3d0, pointCount=4, mode=QPaintEngine::OddEvenMode) at ../../include/QtGui/private/../../../src/gui/painting/qpaintengine_x11_p.h:110
#25 0xb5c5a936 in QPainter::drawPolygon (this=0xbf97a62c, points=0xbf97a3d0, pointCount=4, fillRule=Qt::OddEvenFill) at painting/qpainter.cpp:4999
#26 0xaf84ffa7 in ?? () from /usr/lib/kde4/kwin3_oxygen.so
#27 0xaf850801 in ?? () from /usr/lib/kde4/kwin3_oxygen.so
#28 0xb5b5218e in QWidget::event (this=0x88b19c8, event=0xbf97ac24) at kernel/qwidget.cpp:8405
#29 0xb5efde9e in QAbstractButton::event (this=0x88b19c8, e=0xbf97ac24) at widgets/qabstractbutton.cpp:1080
#30 0xb5af9d24 in QApplicationPrivate::notify_helper (this=0x84c2e98, receiver=0x88b19c8, e=0xbf97ac24) at kernel/qapplication.cpp:4462
#31 0xb5afe97b in QApplication::notify (this=0xbf97ff44, receiver=0x88b19c8, e=0xbf97ac24) at kernel/qapplication.cpp:4427
#32 0xb73723ca in KApplication::notify (this=0xbf97ff44, receiver=0x88b19c8, event=0xbf97ac24) at ../../kdeui/kernel/kapplication.cpp:311
#33 0xb76fdabf in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#34 0xb65a20bb in QCoreApplication::notifyInternal (this=0xbf97ff44, receiver=0x88b19c8, event=0xbf97ac24) at kernel/qcoreapplication.cpp:731
#35 0xb5b4ef0c in sendSpontaneousEvent (this=0x88b1a20, pdev=0x8889324, rgn=..., offset=..., flags=14, sharedPainter=0x0, backingStore=0x0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#36 QWidgetPrivate::drawWidget (this=0x88b1a20, pdev=0x8889324, rgn=..., offset=..., flags=14, sharedPainter=0x0, backingStore=0x0) at kernel/qwidget.cpp:5492
#37 0xb5b4fb7c in QWidgetPrivate::paintSiblingsRecursive (this=0x8667e90, pdev=0x8889324, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=14, sharedPainter=0x0, backingStore=0x0) at kernel/qwidget.cpp:5699
#38 0xb5b4fa42 in QWidgetPrivate::paintSiblingsRecursive (this=0x8667e90, pdev=0x8889324, siblings=..., index=4, rgn=..., offset=..., flags=14, sharedPainter=0x0, backingStore=0x0) at kernel/qwidget.cpp:5686
#39 0xb5b4ec80 in QWidgetPrivate::drawWidget (this=0x8667e90, pdev=0x8889324, rgn=..., offset=..., flags=14, sharedPainter=0x0, backingStore=0x0) at kernel/qwidget.cpp:5545
#40 0xb5b50262 in QWidgetPrivate::render (this=0x8667e90, target=0x8889324, targetOffset=..., sourceRegion=..., renderFlags=..., readyToRender=false) at kernel/qwidget.cpp:5628
#41 0xb5b5041c in QWidget::render (this=0x87c91c0, target=0x8889324, targetOffset=..., sourceRegion=..., renderFlags=...) at kernel/qwidget.cpp:5091
#42 0xb779a217 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#43 0xb76e964f in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#44 0xb7788e12 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#45 0xb7772026 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#46 0xb7792db3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#47 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#48 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#49 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#50 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#51 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#52 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#53 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#54 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#55 0xae6fb917 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#56 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#57 0xae70f9d4 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#58 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#59 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#60 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#61 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#62 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#63 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#64 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#65 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#66 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#67 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#68 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#69 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#70 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#71 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#72 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#73 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#74 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#75 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#76 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#77 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#78 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#79 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#80 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#81 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#82 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#83 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#84 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#85 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#86 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#87 0xb6b980dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#88 0xb7792e29 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#89 0xb777182d in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#90 0xb7792f23 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#91 0xae73b5cf in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#92 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#93 0xb6b981dd in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#94 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#95 0xae6c67e3 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#96 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#97 0xae6ddcfe in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#98 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#99 0xb6b981dd in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#100 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#101 0xb6b981dd in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#102 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#103 0xae6e55e9 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#104 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#105 0xae6daecb in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#106 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#107 0xae6d3486 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#108 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#109 0xae6d7580 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#110 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#111 0xae72acd6 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#112 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#113 0xae6bf1d6 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#114 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#115 0xae71db82 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#116 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#117 0xae726056 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#118 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#119 0xae6e189c in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#120 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#121 0xae6e255e in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#122 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#123 0xae711fbc in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#124 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#125 0xae7440a1 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#126 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#127 0xae704bb4 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#128 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#129 0xae6dc88b in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#130 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#131 0xb6b981dd in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/libkwineffects.so.1
#132 0xb7792f99 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#133 0xb7772226 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#134 0xb777449f in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#135 0xb777da31 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#136 0xb77717c0 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#137 0xb77930fc in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#138 0xae73b9d5 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#139 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#140 0xae73c0e9 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#141 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#142 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#143 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#144 0xae6de07f in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#145 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#146 0xae6f9b10 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#147 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#148 0xae70e013 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#149 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#150 0xae6e2e6f in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#151 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#152 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#153 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#154 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#155 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#156 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#157 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#158 0xae72d202 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#159 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#160 0xae6c2799 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#161 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#162 0xae71cbcc in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#163 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#164 0xae725df0 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#165 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#166 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#167 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#168 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#169 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#170 0xae715a0c in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#171 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#172 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#173 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#174 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#175 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#176 0xb6b98256 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#177 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#178 0xae70b0c1 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#179 0xb7793172 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#180 0xb777298c in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#181 0xb7789962 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#182 0xb776e886 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#183 0xb65b7214 in QObject::event (this=0x88a3bb8, e=0xbf97fc2c) at kernel/qobject.cpp:1190
#184 0xb5af9d24 in QApplicationPrivate::notify_helper (this=0x84c2e98, receiver=0x88a3bb8, e=0xbf97fc2c) at kernel/qapplication.cpp:4462
#185 0xb5afe8ce in QApplication::notify (this=0xbf97ff44, receiver=0x88a3bb8, e=0xbf97fc2c) at kernel/qapplication.cpp:3862
#186 0xb73723ca in KApplication::notify (this=0xbf97ff44, receiver=0x88a3bb8, event=0xbf97fc2c) at ../../kdeui/kernel/kapplication.cpp:311
#187 0xb76fdabf in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#188 0xb65a20bb in QCoreApplication::notifyInternal (this=0xbf97ff44, receiver=0x88a3bb8, event=0xbf97fc2c) at kernel/qcoreapplication.cpp:731
#189 0xb65d21e4 in sendEvent (this=0x84c5018) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#190 QTimerInfoList::activateTimers (this=0x84c5018) at kernel/qeventdispatcher_unix.cpp:604
#191 0xb65d2338 in QEventDispatcherUNIX::processEvents (this=0x84c0c30, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#192 0xb5bb125a in QEventDispatcherX11::processEvents (this=0x84c0c30, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#193 0xb65a1289 in QEventLoop::processEvents (this=0xbf97fe84, flags=...) at kernel/qeventloop.cpp:149
#194 0xb65a1522 in QEventLoop::exec (this=0xbf97fe84, flags=...) at kernel/qeventloop.cpp:201
#195 0xb65a5ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#196 0xb5af78e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#197 0xb77005b2 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#198 0x080485bb in _start ()

Possible duplicates by query: bug 270997.

Reported using DrKonqi