Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.93 (KDE 4.2.93 (KDE 4.3 >= 20090623)) "release 1"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.25-17-pae i686
Distribution: "openSUSE 11.1 (i586)"

What I was doing when the application crashed:
Working as normally. I have 3/4 windows open and as I was switching from one to another Panel crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5eac700 (LWP 3702))]

Thread 2 (Thread 0xa7e31b90 (LWP 3707)):
#0  0xb7d2aa20 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb7d89582 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0xb7602ad2 in ?? () from /usr/lib/libQtNetwork.so.4
#3  0xb7d88572 in ?? () from /usr/lib/libQtCore.so.4
#4  0xb7d27030 in start_thread () from /lib/libpthread.so.0
#5  0xb657167e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5eac700 (LWP 3702)):
[KCrash Handler]
#5  0x08a87258 in ?? ()
#6  0xa90bc17f in TaskItemLayout::gridLayoutSize (this=0x876c130) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskitemlayout.cpp:220
#7  0xa90bc24b in TaskItemLayout::layoutItems (this=0x876c130) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskitemlayout.cpp:245
#8  0xa90c51f4 in TaskGroupItem::constraintsChanged (this=0x8738478, constraints={i = -1077911592}) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskgroupitem.cpp:694
#9  0xa90c9e61 in TaskGroupItem::qt_metacall (this=0x8738478, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfc060ac)
    at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/plasma/applets/tasks/taskgroupitem.moc:108
#10 0xb7e92788 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb7e93412 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#12 0xa90b6383 in Tasks::constraintsChanged (this=0x840b250, _t1={i = -1077911340}) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/plasma/applets/tasks/tasks.moc:98
#13 0xa90b6939 in Tasks::constraintsEvent (this=0x840b250, constraints={i = -1077911176}) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/tasks.cpp:169
#14 0xb5bff24b in Plasma::Applet::flushPendingConstraintsEvents (this=0x840b250) at /usr/src/debug/kdelibs-4.2.93svn985654/plasma/applet.cpp:1160
#15 0xb5bff9d8 in Plasma::Applet::timerEvent (this=0x840b250, event=0xbfc066a0) at /usr/src/debug/kdelibs-4.2.93svn985654/plasma/applet.cpp:2090
#16 0xb7e8d72f in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#17 0xb6e85607 in QGraphicsWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb68477fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0xb684faee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0xb733b10d in KApplication::notify (this=0x80a07c0, receiver=0x840b250, event=0xbfc066a0) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/kernel/kapplication.cpp:302
#21 0xb7e7d16b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0xb7eac5f6 in ?? () from /usr/lib/libQtCore.so.4
#23 0xb7ea8980 in ?? () from /usr/lib/libQtCore.so.4
#24 0xb63ef9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0xb63f3083 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0xb63f3241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0xb7ea88d8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0xb68e7cc5 in ?? () from /usr/lib/libQtGui.so.4
#29 0xb7e7b78a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0xb7e7bbd2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0xb7e7e079 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#32 0xb6847677 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#33 0xb48cb930 in kdemain (argc=1, argv=0x8088700) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/shells/desktop/main.cpp:50
#34 0x0804e2b0 in launch (argc=1, _name=0x8088724 "/usr/bin/plasma-desktop", args=0x808873c "", cwd=0x0, envc=0, envs=0x8088740 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051390 "0") at /usr/src/debug/kdelibs-4.2.93svn985654/kinit/kinit.cpp:672
#35 0x0804ea8d in handle_launcher_request (sock=7, who=<value optimized out>) at /usr/src/debug/kdelibs-4.2.93svn985654/kinit/kinit.cpp:1164
#36 0x0804ef23 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.2.93svn985654/kinit/kinit.cpp:1357
#37 0x0804fbca in main (argc=2, argv=0xbfc070d4, envp=0xbfc070e0) at /usr/src/debug/kdelibs-4.2.93svn985654/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 198870

Reported using DrKonqi