Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1) "release 165"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.29-0.1-default x86_64
Distribution: "SUSE Linux Enterprise Desktop 11 (x86_64)"

What I was doing when the application crashed:
I was restarting Firefox 3.5 after installing some add-ons.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f981dd35750 (LWP 28650))]

Thread 2 (Thread 0x7f97f98d1950 (LWP 28653)):
#0  0x00007f981d520d59 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f981d791e19 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007f981c3c287c in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x00007f981d790e65 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007f981d51d070 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f981a07610d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f981dd35750 (LWP 28650)):
[KCrash Handler]
#5  0x00007f97feb8707f in AbstractTaskItem::basicPreferredSize() const () from /usr/lib64/kde4/plasma_applet_tasks.so
#6  0x00007f97feb84023 in TaskItemLayout::layoutItems() () from /usr/lib64/kde4/plasma_applet_tasks.so
#7  0x00007f97feb84b04 in TaskItemLayout::insert(int, AbstractTaskItem*) () from /usr/lib64/kde4/plasma_applet_tasks.so
#8  0x00007f97feb84ce0 in TaskItemLayout::addTaskItem(AbstractTaskItem*) () from /usr/lib64/kde4/plasma_applet_tasks.so
#9  0x00007f97feb907d8 in TaskGroupItem::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib64/kde4/plasma_applet_tasks.so
#10 0x00007f97feb90ddc in TaskGroupItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/kde4/plasma_applet_tasks.so
#11 0x00007f981d88f6e2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#12 0x00007f98000d1b2f in TaskManager::TaskGroup::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib64/libtaskmanager.so.4
#13 0x00007f98000d267f in TaskManager::TaskGroup::add(TaskManager::AbstractGroupableItem*) () from /usr/lib64/libtaskmanager.so.4
#14 0x00007f98000b8eb0 in TaskManager::AbstractGroupingStrategy::closeGroup(TaskManager::TaskGroup*) () from /usr/lib64/libtaskmanager.so.4
#15 0x00007f98000c03c0 in TaskManager::ProgramGroupingStrategy::checkGroup() () from /usr/lib64/libtaskmanager.so.4
#16 0x00007f98000c1327 in TaskManager::ProgramGroupingStrategy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libtaskmanager.so.4
#17 0x00007f981d88f6e2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#18 0x00007f98000d1af2 in TaskManager::TaskGroup::itemRemoved(TaskManager::AbstractGroupableItem*) () from /usr/lib64/libtaskmanager.so.4
#19 0x00007f98000d2401 in TaskManager::TaskGroup::remove(TaskManager::AbstractGroupableItem*) () from /usr/lib64/libtaskmanager.so.4
#20 0x00007f98000bbd54 in TaskManager::GroupManagerPrivate::removeTask(KSharedPtr<TaskManager::Task>) () from /usr/lib64/libtaskmanager.so.4
#21 0x00007f98000bbee3 in TaskManager::GroupManagerPrivate::checkScreenChange() () from /usr/lib64/libtaskmanager.so.4
#22 0x00007f98000bd682 in TaskManager::GroupManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libtaskmanager.so.4
#23 0x00007f981d88f6e2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#24 0x00007f981d88a533 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#25 0x00007f981ac14b0d in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#26 0x00007f981ac1cd9a in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#27 0x00007f981bcff02b in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#28 0x00007f981d87a94c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#29 0x00007f981d8a7b60 in ?? () from /usr/lib64/libQtCore.so.4
#30 0x00007f981d8a3ddd in ?? () from /usr/lib64/libQtCore.so.4
#31 0x00007f98196f414b in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f98196f791d in ?? () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f98196f7adb in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f981d8a3d3f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#35 0x00007f981acabfff in ?? () from /usr/lib64/libQtGui.so.4
#36 0x00007f981d8791d2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#37 0x00007f981d8795a4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#38 0x00007f981d87b894 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#39 0x00007f9811429cab in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#40 0x0000000000407495 in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#41 0x0000000000407cb8 in handle_launcher_request(int, char const*) ()
#42 0x0000000000408265 in handle_requests(int) ()
#43 0x0000000000408e16 in main ()

Reported using DrKonqi