Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.8-0.1-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
unsure, added a USB drive and opened file management tools dolphin & konqueror
workspace went black in the background and reloaded

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe174e91750 (LWP 4856))]

Thread 2 (Thread 0x7fe14ffff910 (LWP 4866)):
#0  0x00007fe17465e049 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe1748ce53b in wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fe170da79ec in QHostInfoAgent::run (this=0x10d9390) at kernel/qhostinfo.cpp:260
#4  0x00007fe1748cd485 in QThreadPrivate::start (arg=0x10d9390) at thread/qthread_unix.cpp:188
#5  0x00007fe17465965d in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe17206d14d in clone () from /lib64/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe174e91750 (LWP 4856)):
[KCrash Handler]
#5  itemTopMargin (this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/tasks.h:92
#6  AbstractTaskItem::basicPreferredSize (this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/abstracttaskitem.cpp:99
#7  0x00007fe1596262c5 in TaskItemLayout::preferredColumns (this=0xd6c460) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:206
#8  0x00007fe159626fad in TaskItemLayout::gridLayoutSize (this=0xd6c460) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:222
#9  0x00007fe15962703b in TaskItemLayout::layoutItems (this=0x0) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:245
#10 0x00007fe159627abf in TaskItemLayout::insert (this=0xd6c460, index=<value optimized out>, item=0xa9c2390) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:125
#11 0x00007fe159627c90 in TaskItemLayout::addTaskItem (this=0xd6c460, item=0xa9c2390) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:82
#12 0x00007fe1596339c8 in TaskGroupItem::itemAdded (this=0xbeb5e0, groupableItem=0xa14a460) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskgroupitem.cpp:477
#13 0x00007fe159634024 in TaskGroupItem::qt_metacall (this=0xbeb5e0, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7cbefae0)
    at /usr/src/debug/kdebase-workspace-4.3.1/build/plasma/applets/tasks/taskgroupitem.moc:113
#14 0x00007fe1749c7fbc in QMetaObject::activate (sender=0xbc0720, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1000000000) at kernel/qobject.cpp:3113
#15 0x00007fe1593f838f in TaskManager::TaskGroup::itemAdded (this=0x0, _t1=0xa14a460) at /usr/src/debug/kdebase-workspace-4.3.1/build/libs/taskmanager/taskgroup.moc:145
#16 0x00007fe1593f8c7f in TaskManager::TaskGroup::add (this=0xbc0720, item=0xa14a460) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/taskgroup.cpp:138
#17 0x00007fe1593e82dd in TaskManager::ProgramGroupingStrategy::handleItem (this=0x991ba00, item=0xa14a460)
    at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/strategies/programgroupingstrategy.cpp:158
#18 0x00007fe1593e251a in TaskManager::GroupManagerPrivate::addTask (this=0xbf4c60, task=) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/groupmanager.cpp:288
#19 0x00007fe1593e465a in TaskManager::GroupManager::qt_metacall (this=0xbae040, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff7cbefd80)
    at /usr/src/debug/kdebase-workspace-4.3.1/build/libs/taskmanager/groupmanager.moc:103
#20 0x00007fe1749c7fbc in QMetaObject::activate (sender=0x8364d0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1000000000) at kernel/qobject.cpp:3113
#21 0x00007fe1593fb842 in TaskManager::TaskManager::taskAdded (this=0x0, _t1=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.1/build/libs/taskmanager/taskmanager.moc:155
#22 0x00007fe1593fd840 in TaskManager::TaskManager::windowAdded (this=0x8364d0, w=18877669) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/taskmanager.cpp:261
#23 0x00007fe1593feb5f in TaskManager::TaskManager::qt_metacall (this=0x8364d0, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7cbf0020)
    at /usr/src/debug/kdebase-workspace-4.3.1/build/libs/taskmanager/taskmanager.moc:109
#24 0x00007fe1749c7fbc in QMetaObject::activate (sender=0x927db0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1000000000) at kernel/qobject.cpp:3113
#25 0x00007fe1734c9042 in KWindowSystem::windowAdded(unsigned long) () from /usr/lib64/libkdeui.so.5
#26 0x00007fe1734cbc6a in ?? () from /usr/lib64/libkdeui.so.5
#27 0x00007fe1734d99cd in NETRootInfo::update(unsigned long const*) () from /usr/lib64/libkdeui.so.5
#28 0x00007fe1734da6b3 in NETRootInfo::event(_XEvent*, unsigned long*, int) () from /usr/lib64/libkdeui.so.5
#29 0x00007fe1734cc0bc in ?? () from /usr/lib64/libkdeui.so.5
#30 0x00007fe17339cd76 in KApplication::x11EventFilter(_XEvent*) () from /usr/lib64/libkdeui.so.5
#31 0x00007fe169e28437 in PlasmaApp::x11EventFilter (this=0x66cdf0, event=0x7fff7cbf1d30) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/shells/desktop/plasmaapp.cpp:490
#32 0x00007fe1727fd681 in qt_x11EventFilter (ev=0x7fff7cbf1d30) at kernel/qapplication_x11.cpp:377
#33 0x00007fe17280dd11 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff7cbf1d30) at kernel/qapplication_x11.cpp:3271
#34 0x00007fe172836b6c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007fe1716ecdde in g_main_dispatch (context=<value optimized out>) at gmain.c:1960
#36 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2513
#37 0x00007fe1716f07a8 in g_main_context_iterate (context=0x67b520, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#38 0x00007fe1716f08d0 in IA__g_main_context_iteration (context=0x67b520, may_block=1) at gmain.c:2654
#39 0x00007fe1749db3a3 in QEventDispatcherGlib::processEvents (this=0x618810, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#40 0x00007fe17283631e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#41 0x00007fe1749b1712 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#42 0x00007fe1749b1ae4 in QEventLoop::exec (this=0x7fff7cbf2060, flags=) at kernel/qeventloop.cpp:201
#43 0x00007fe1749b3c99 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#44 0x00007fe169e14d6f 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
#45 0x0000000000406f88 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4bd "0") at /usr/src/debug/kdelibs-4.3.1/kinit/kinit.cpp:706
#46 0x0000000000407c80 in handle_launcher_request (sock=7, who=<value optimized out>) at /usr/src/debug/kdelibs-4.3.1/kinit/kinit.cpp:1198
#47 0x0000000000408131 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.3.1/kinit/kinit.cpp:1391
#48 0x0000000000408dfa in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/kdelibs-4.3.1/kinit/kinit.cpp:1830

This bug may be a duplicate of or related to bug 202003

Reported using DrKonqi