Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-1-686 i686
Distribution: Debian GNU/Linux testing (squeeze)

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5fb4700 (LWP 28528))]

Thread 2 (Thread 0xa8477b90 (LWP 28533)):
#0  0xb7fcb424 in __kernel_vsyscall ()
#1  0xb66e9f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb68c385d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7dcd562 in QWaitConditionPrivate::wait (this=0xa230810, mutex=0xa23080c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0xa230810, mutex=0xa23080c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb65ef67a in QHostInfoAgent::run (this=0xa230800) at kernel/qhostinfo.cpp:260
#6  0xb7dcc582 in QThreadPrivate::start (arg=0xa230800) at thread/qthread_unix.cpp:188
#7  0xb66e64b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xb68b4a5e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fb4700 (LWP 28528)):
[KCrash Handler]
#6  Tasks::itemTopMargin (this=0xacdc440) at ../../../../plasma/applets/tasks/tasks.h:92
#7  AbstractTaskItem::basicPreferredSize (this=0xacdc440) at ../../../../plasma/applets/tasks/abstracttaskitem.cpp:100
#8  0xa88821ae in TaskItemLayout::layoutItems (this=0xa311460) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:273
#9  0xa8882c72 in TaskItemLayout::insert (this=0xa311460, index=2, item=0xa773c60) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:125
#10 0xa8882e6f in TaskItemLayout::addTaskItem (this=0xa311460, item=0xa773c60) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:82
#11 0xa888fa3d in TaskGroupItem::itemAdded (this=0xa310640, groupableItem=0xac21a00) at ../../../../plasma/applets/tasks/taskgroupitem.cpp:477
#12 0xa88900a2 in TaskGroupItem::qt_metacall (this=0xa310640, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfd50b9c) at ./taskgroupitem.moc:113
#13 0xb7ed2b33 in QMetaObject::activate (sender=0xa310f70, from_signal_index=21, to_signal_index=21, argv=0xbfd50b9c) at kernel/qobject.cpp:3112
#14 0xb7ed3782 in QMetaObject::activate (sender=0xa310f70, m=0xa8972154, local_signal_index=0, argv=0xbfd50b9c) at kernel/qobject.cpp:3186
#15 0xa8963c33 in TaskManager::TaskGroup::itemAdded (this=0xa310f70, _t1=0xac21a00) at ./taskgroup.moc:139
#16 0xa8964885 in TaskManager::TaskGroup::add (this=0xa310f70, item=0xac21a00) at ../../../libs/taskmanager/taskgroup.cpp:138
#17 0xa895169f in TaskManager::ProgramGroupingStrategy::handleItem (this=0xa773760, item=0xac21a00) at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:154
#18 0xa894acc5 in TaskManager::GroupManagerPrivate::addTask (this=0xa242568, task=...) at ../../../libs/taskmanager/groupmanager.cpp:288
#19 0xa894baba in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0xa242568) at ../../../libs/taskmanager/groupmanager.cpp:155
#20 0xa894d03e in TaskManager::GroupManager::qt_metacall (this=0xa3033c0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfd50dd8) at ./groupmanager.moc:108
#21 0xb7ed2b33 in QMetaObject::activate (sender=0xa2425a8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#22 0xb7ed3782 in QMetaObject::activate (sender=0xa2425a8, m=0xb7faede4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#23 0xb7f0e177 in QTimer::timeout (this=0xa2425a8) at .moc/release-shared/moc_qtimer.cpp:128
#24 0xb7ed8e9e in QTimer::timerEvent (this=0xa2425a8, e=0xbfd5125c) at kernel/qtimer.cpp:261
#25 0xb7ecdbcf in QObject::event (this=0xa2425a8, e=0xbfd5125c) at kernel/qobject.cpp:1074
#26 0xb6b65814 in QApplicationPrivate::notify_helper (this=0x9f7a4a0, receiver=0xa2425a8, e=0xbfd5125c) at kernel/qapplication.cpp:4056
#27 0xb6b6d97e in QApplication::notify (this=0x9f535e8, receiver=0xa2425a8, e=0xbfd5125c) at kernel/qapplication.cpp:3603
#28 0xb75ae4ad in KApplication::notify (this=0x9f535e8, receiver=0xa2425a8, event=0xbfd5125c) at ../../kdeui/kernel/kapplication.cpp:302
#29 0xb7ebd9cb in QCoreApplication::notifyInternal (this=0x9f535e8, receiver=0xa2425a8, event=0xbfd5125c) at kernel/qcoreapplication.cpp:610
#30 0xb7eec361 in QCoreApplication::sendEvent (this=0x9f7d034) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 QTimerInfoList::activateTimers (this=0x9f7d034) at kernel/qeventdispatcher_unix.cpp:572
#32 0xb7ee8900 in timerSourceDispatch (source=0x9f7d000) at kernel/qeventdispatcher_glib.cpp:165
#33 0xb6733e98 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0xb6737623 in ?? () from /lib/libglib-2.0.so.0
#35 0xb67377a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0xb7ee8858 in QEventDispatcherGlib::processEvents (this=0x9f7a260, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#37 0xb6c04fd5 in QGuiEventDispatcherGlib::processEvents (this=0x9f7a260, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7ebc01a in QEventLoop::processEvents (this=0xbfd51480, flags=...) at kernel/qeventloop.cpp:149
#39 0xb7ebc462 in QEventLoop::exec (this=0xbfd51480, flags=...) at kernel/qeventloop.cpp:201
#40 0xb7ebe8b9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0xb6b65697 in QApplication::exec () at kernel/qapplication.cpp:3525
#42 0xb3b65f40 in kdemain (argc=1, argv=0x9f3f740) at ../../../../plasma/shells/desktop/main.cpp:50
#43 0x0804e291 in launch (argc=1, _name=0x9f0530c "/usr/bin/plasma-desktop", args=0x9f05324 "", cwd=0x0, envc=0, envs=0x9f05328 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805109f "0") at ../../kinit/kinit.cpp:677
#44 0x0804ea15 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#45 0x0804ef3f in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#46 0x0804f6c9 in main (argc=2, argv=0xbfd51d04, envp=0xbfd51d10) at ../../kinit/kinit.cpp:1793

Reported using DrKonqi