Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-1-686 i686

What I was doing when the application crashed:
I'm change desktop from one to other (by pressing Ctrl+F*), and it was a crash

 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb60c4700 (LWP 13684))]

Thread 2 (Thread 0xa9613b70 (LWP 13685)):
#0  0xb80c1424 in __kernel_vsyscall ()
#1  0xb67f90b5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb69be6fd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7ec95c2 in QWaitConditionPrivate::wait (this=0x96c2498, mutex=0x96c2494, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x96c2498, mutex=0x96c2494, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb66fea9a in QHostInfoAgent::run (this=0x96c2488) at kernel/qhostinfo.cpp:260
#6  0xb7ec85e2 in QThreadPrivate::start (arg=0x96c2488) at thread/qthread_unix.cpp:188
#7  0xb67f5595 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xb69b118e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb60c4700 (LWP 13684)):
[KCrash Handler]
#6  Tasks::itemTopMargin (this=0xa3754f0) at ../../../../plasma/applets/tasks/tasks.h:92
#7  AbstractTaskItem::basicPreferredSize (this=0xa3754f0) at ../../../../plasma/applets/tasks/abstracttaskitem.cpp:100
#8  0xa96c0611 in TaskItemLayout::preferredColumns (this=0x96b40b0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:206
#9  0xa96c0ffd in TaskItemLayout::gridLayoutSize (this=0x96b40b0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:222
#10 0xa96c10bb in TaskItemLayout::layoutItems (this=0x96b40b0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:245
#11 0xa96c1c72 in TaskItemLayout::insert (this=0x96b40b0, index=5, item=0xa3236d0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:125
#12 0xa96c1e6f in TaskItemLayout::addTaskItem (this=0x96b40b0, item=0xa3236d0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:82
#13 0xa96cea3d in TaskGroupItem::itemAdded (this=0x96ca800, groupableItem=0xa3efb90) at ../../../../plasma/applets/tasks/taskgroupitem.cpp:477
#14 0xa96cf0a2 in TaskGroupItem::qt_metacall (this=0x96ca800, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbff6c5bc) at ./taskgroupitem.moc:113
#15 0xb7fce303 in QMetaObject::activate (sender=0x94039d8, from_signal_index=21, to_signal_index=21, argv=0xbff6c5bc) at kernel/qobject.cpp:3112
#16 0xb7fcef42 in QMetaObject::activate (sender=0x94039d8, m=0xa9710154, local_signal_index=0, argv=0xbff6c5bc) at kernel/qobject.cpp:3186
#17 0xa9701c33 in TaskManager::TaskGroup::itemAdded (this=0x94039d8, _t1=0xa3efb90) at ./taskgroup.moc:139
#18 0xa9702885 in TaskManager::TaskGroup::add (this=0x94039d8, item=0xa3efb90) at ../../../libs/taskmanager/taskgroup.cpp:138
#19 0xa96ef69f in TaskManager::ProgramGroupingStrategy::handleItem (this=0xa3c3410, item=0xa3efb90) at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:154
#20 0xa96e8cc5 in TaskManager::GroupManagerPrivate::addTask (this=0x96b48b8, task=...) at ../../../libs/taskmanager/groupmanager.cpp:288
#21 0xa96e9aba in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x96b48b8) at ../../../libs/taskmanager/groupmanager.cpp:155
#22 0xa96eb03e in TaskManager::GroupManager::qt_metacall (this=0x9752120, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbff6c7f8) at ./groupmanager.moc:108
#23 0xb7fce303 in QMetaObject::activate (sender=0x96b48f8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#24 0xb7fcef42 in QMetaObject::activate (sender=0x96b48f8, m=0xb80aad84, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#25 0xb8009b37 in QTimer::timeout (this=0x96b48f8) at .moc/release-shared/moc_qtimer.cpp:128
#26 0xb7fd465e in QTimer::timerEvent (this=0x96b48f8, e=0xbff6cc7c) at kernel/qtimer.cpp:261
#27 0xb7fc939f in QObject::event (this=0x96b48f8, e=0xbff6cc7c) at kernel/qobject.cpp:1074
#28 0xb6c5fa94 in QApplicationPrivate::notify_helper (this=0x912e4d0, receiver=0x96b48f8, e=0xbff6cc7c) at kernel/qapplication.cpp:4065
#29 0xb6c67bee in QApplication::notify (this=0x9108b88, receiver=0x96b48f8, e=0xbff6cc7c) at kernel/qapplication.cpp:3605
#30 0xb76a90fd in KApplication::notify (this=0x9108b88, receiver=0x96b48f8, event=0xbff6cc7c) at ../../kdeui/kernel/kapplication.cpp:302
#31 0xb7fb91eb in QCoreApplication::notifyInternal (this=0x9108b88, receiver=0x96b48f8, event=0xbff6cc7c) at kernel/qcoreapplication.cpp:610
#32 0xb7fe7e21 in QCoreApplication::sendEvent (this=0x9131334) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#33 QTimerInfoList::activateTimers (this=0x9131334) at kernel/qeventdispatcher_unix.cpp:580
#34 0xb7fe4317 in timerSourceDispatch (source=0x9131370) at kernel/qeventdispatcher_glib.cpp:184
#35 idleTimerSourceDispatch (source=0x9131370) at kernel/qeventdispatcher_glib.cpp:231
#36 0xb6842e98 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0xb6846623 in ?? () from /lib/libglib-2.0.so.0
#38 0xb68467a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0xb7fe4041 in QEventDispatcherGlib::processEvents (this=0x912e1e8, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#40 0xb6cff305 in QGuiEventDispatcherGlib::processEvents (this=0x912e1e8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#41 0xb7fb783a in QEventLoop::processEvents (this=0xbff6cea0, flags=...) at kernel/qeventloop.cpp:149
#42 0xb7fb7c82 in QEventLoop::exec (this=0xbff6cea0, flags=...) at kernel/qeventloop.cpp:201
#43 0xb7fba0d9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#44 0xb6c5f917 in QApplication::exec () at kernel/qapplication.cpp:3525
#45 0xb4c93f40 in kdemain (argc=1, argv=0x90e16a8) at ../../../../plasma/shells/desktop/main.cpp:50
#46 0x0804e291 in launch (argc=1, _name=0x9114324 "/usr/bin/plasma-desktop", args=0x911433c "", cwd=0x0, envc=0, envs=0x9114340 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805109f "0") at ../../kinit/kinit.cpp:677
#47 0x0804ea15 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#48 0x0804ef3f in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#49 0x0804f6c9 in main (argc=2, argv=0xbff6d724, envp=0xbff6d730) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 211345

Reported using DrKonqi