Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.6.0
Operating System: Linux 2.6.31.12-0.1-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
How to reproduce the bug:
1) open several applications until the taskbar is full and they start to group together
2) Try to choose one item from the group


 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4c473d0770 (LWP 10210))]

Thread 2 (Thread 0x7f4c28fd0910 (LWP 10212)):
#0  0x00007f4c40361049 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f4c43f7d66b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007f4c40e2e3ec in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x00007f4c43f7c6b5 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007f4c4035c65d in start_thread () from /lib64/libpthread.so.0
#5  0x00007f4c46e96e1d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4c473d0770 (LWP 10210)):
[KCrash Handler]
#5  0x00007f4c46a8c10a in Plasma::PaintUtils::transition(QPixmap const&, QPixmap const&, double) () from /usr/lib64/libplasma.so.3
#6  0x00007f4c2e0e784b in AbstractTaskItem::drawBackground (this=0xd60140, painter=0x7fff08922410, option=<value optimized out>)
    at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/abstracttaskitem.cpp:582
#7  0x00007f4c2e0e3eab in AbstractTaskItem::paint (this=0xd60140, painter=0x7fff08922410, option=0x6dad78, widget=0x7d5990)
    at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/abstracttaskitem.cpp:488
#8  0x00007f4c44dbdffa in ?? () from /usr/lib64/libQtGui.so.4
#9  0x00007f4c44dd06e4 in ?? () from /usr/lib64/libQtGui.so.4
#10 0x00007f4c44dd2a25 in ?? () from /usr/lib64/libQtGui.so.4
#11 0x00007f4c44dd336a in ?? () from /usr/lib64/libQtGui.so.4
#12 0x00007f4c44dd28c0 in ?? () from /usr/lib64/libQtGui.so.4
#13 0x00007f4c44dd336a in ?? () from /usr/lib64/libQtGui.so.4
#14 0x00007f4c44dd28c0 in ?? () from /usr/lib64/libQtGui.so.4
#15 0x00007f4c44dd336a in ?? () from /usr/lib64/libQtGui.so.4
#16 0x00007f4c44dd28c0 in ?? () from /usr/lib64/libQtGui.so.4
#17 0x00007f4c44dd336a in ?? () from /usr/lib64/libQtGui.so.4
#18 0x00007f4c44dd3a8c in ?? () from /usr/lib64/libQtGui.so.4
#19 0x00007f4c44df28d5 in QGraphicsView::paintEvent(QPaintEvent*) () from /usr/lib64/libQtGui.so.4
#20 0x00007f4c47167086 in PanelView::paintEvent (this=0x0, event=0x7fff0891ff30) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/shells/desktop/panelview.cpp:1290
#21 0x00007f4c4480ee15 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#22 0x00007f4c44bb1106 in QFrame::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#23 0x00007f4c44dedc4b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib64/libQtGui.so.4
#24 0x00007f4c4406e947 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#25 0x00007f4c447b9b9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#26 0x00007f4c447c01ed in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#27 0x00007f4c4590f8d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#28 0x00007f4c4406f53c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#29 0x00007f4c448173bd in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4
#30 0x00007f4c44818048 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/lib64/libQtGui.so.4
#31 0x00007f4c44817e79 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/lib64/libQtGui.so.4
#32 0x00007f4c44817e79 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/lib64/libQtGui.so.4
#33 0x00007f4c44817e79 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/lib64/libQtGui.so.4
#34 0x00007f4c44817e79 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/lib64/libQtGui.so.4
#35 0x00007f4c4481711a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib64/libQtGui.so.4
#36 0x00007f4c449cc4c5 in ?? () from /usr/lib64/libQtGui.so.4
#37 0x00007f4c44808800 in QWidgetPrivate::syncBackingStore() () from /usr/lib64/libQtGui.so.4
#38 0x00007f4c4480f525 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#39 0x00007f4c44bb1106 in QFrame::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#40 0x00007f4c44c3bb3b in QAbstractScrollArea::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#41 0x00007f4c47168600 in PanelView::event (this=0x73be20, event=0xb6e270) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/shells/desktop/panelview.cpp:1313
#42 0x00007f4c447b9bcc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#43 0x00007f4c447c01ed in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#44 0x00007f4c4590f8d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#45 0x00007f4c4406f53c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#46 0x00007f4c44071cb7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#47 0x00007f4c44dda61a in ?? () from /usr/lib64/libQtGui.so.4
#48 0x00007f4c44ddaba2 in QGraphicsScene::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtGui.so.4
#49 0x00007f4c46a6fa85 in Plasma::Corona::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libplasma.so.3
#50 0x00007f4c47158fb0 in DesktopCorona::qt_metacall (this=0x0, _c=143785776, _id=114, _a=0x2c) at /usr/src/debug/kdebase-workspace-4.3.1/build/plasma/shells/desktop/desktopcorona.moc:65
#51 0x00007f4c4407f209 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#52 0x00007f4c44dd6bb0 in QGraphicsScene::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#53 0x00007f4c447b9bcc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#54 0x00007f4c447c01ed in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#55 0x00007f4c4590f8d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#56 0x00007f4c4406f53c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#57 0x00007f4c44071cb7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#58 0x00007f4c44098fd3 in ?? () from /usr/lib64/libQtCore.so.4
#59 0x00007f4c3f04bdee in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#60 0x00007f4c3f04f7b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#61 0x00007f4c3f04f8e0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#62 0x00007f4c44098b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#63 0x00007f4c4486694e in ?? () from /usr/lib64/libQtGui.so.4
#64 0x00007f4c4406de52 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#65 0x00007f4c4406e22c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#66 0x00007f4c44071f7b in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#67 0x00007f4c4715ed6f in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/shells/desktop/main.cpp:50
#68 0x00007f4c46de4a7d in __libc_start_main () from /lib64/libc.so.6
#69 0x0000000000400699 in _start () at ../sysdeps/x86_64/elf/start.S:113

This bug may be a duplicate of or related to bug 221883

Reported using DrKonqi