Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7848700 (LWP 2620))]

Thread 2 (Thread 0xab867b70 (LWP 2623)):
#0  0x0036f422 in __kernel_vsyscall ()
#1  0x0082de15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x009a778d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00a96e67 in QWaitConditionPrivate::wait (this=0x9930008, mutex=0x9930004, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9930008, mutex=0x9930004, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x01d42922 in QHostInfoAgent::run (this=0x992fff8) at kernel/qhostinfo.cpp:260
#6  0x00a95e32 in QThreadPrivate::start (arg=0x992fff8) at thread/qthread_unix.cpp:188
#7  0x0082980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x0099a7ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7848700 (LWP 2620)):
[KCrash Handler]
#6  Tasks::itemTopMargin (this=0xa997198) at ../../../../plasma/applets/tasks/tasks.h:92
#7  AbstractTaskItem::basicPreferredSize (this=0xa997198) at ../../../../plasma/applets/tasks/abstracttaskitem.cpp:102
#8  0x0496b7cb in TaskItemLayout::preferredColumns (this=0x99305f0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:211
#9  0x0496c5ca in TaskItemLayout::gridLayoutSize (this=0x99305f0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:227
#10 0x0496c68c in TaskItemLayout::layoutItems (this=0x99305f0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:250
#11 0x0496d8aa in TaskItemLayout::remove (this=0x99305f0, item=0xa929258) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:141
#12 0x0496daec in TaskItemLayout::removeTaskItem (this=0x99305f0, item=0xa929258) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:93
#13 0x0497993e in TaskGroupItem::itemRemoved (this=0x9956900, groupableItem=0xac13fc0) at ../../../../plasma/applets/tasks/taskgroupitem.cpp:521
#14 0x0497adc7 in TaskGroupItem::qt_metacall (this=0x9956900, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfd041c8) at ./taskgroupitem.moc:114
#15 0x00b9c263 in QMetaObject::activate (sender=0x9933bf0, from_signal_index=22, to_signal_index=22, argv=0xbfd041c8) at kernel/qobject.cpp:3113
#16 0x00b9cec2 in QMetaObject::activate (sender=0x9933bf0, m=0x7957bf4, local_signal_index=1, argv=0xbfd041c8) at kernel/qobject.cpp:3187
#17 0x079493e3 in TaskManager::TaskGroup::itemRemoved (this=0x9933bf0, _t1=0xac13fc0) at ./taskgroup.moc:152
#18 0x07949c0b in TaskManager::TaskGroup::remove (this=0x9933bf0, item=0xac13fc0) at ../../../libs/taskmanager/taskgroup.cpp:189
#19 0x07949df6 in TaskManager::TaskGroup::add (this=0xa161288, item=0xac13fc0) at ../../../libs/taskmanager/taskgroup.cpp:120
#20 0x0792dd53 in TaskManager::AbstractGroupingStrategy::createGroup (this=0xab06720, items=...) at ../../../libs/taskmanager/abstractgroupingstrategy.cpp:140
#21 0x07936814 in TaskManager::ProgramGroupingStrategy::programGrouping (this=0xab06720, taskItem=0xa38e6e8, groupItem=0x9933bf0)
    at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:189
#22 0x0793731b in TaskManager::ProgramGroupingStrategy::handleItem (this=0xab06720, item=0xa38e6e8) at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:156
#23 0x07931002 in TaskManager::GroupManagerPrivate::addTask (this=0x981fe38, task=) at ../../../libs/taskmanager/groupmanager.cpp:288
#24 0x07933343 in TaskManager::GroupManager::qt_metacall (this=0x993fb20, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfd04588) at ./groupmanager.moc:103
#25 0x00b9c263 in QMetaObject::activate (sender=0x977f408, from_signal_index=4, to_signal_index=4, argv=0xbfd04588) at kernel/qobject.cpp:3113
#26 0x00b9cec2 in QMetaObject::activate (sender=0x977f408, m=0x7957dbc, local_signal_index=0, argv=0xbfd04588) at kernel/qobject.cpp:3187
#27 0x0794ce83 in TaskManager::TaskManager::taskAdded (this=0x977f408, _t1=...) at ./taskmanager.moc:155
#28 0x0794f063 in TaskManager::TaskManager::windowAdded (this=0x977f408, w=73507107) at ../../../libs/taskmanager/taskmanager.cpp:262
#29 0x079504df in TaskManager::TaskManager::qt_metacall (this=0x977f408, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfd04758) at ./taskmanager.moc:109
#30 0x00b9c263 in QMetaObject::activate (sender=0x96a3ab8, from_signal_index=5, to_signal_index=5, argv=0xbfd04758) at kernel/qobject.cpp:3113
#31 0x00b9cec2 in QMetaObject::activate (sender=0x96a3ab8, m=0x117126c, local_signal_index=1, argv=0xbfd04758) at kernel/qobject.cpp:3187
#32 0x011083b3 in KWindowSystem::windowAdded (this=0x96a3ab8, _t1=73507107) at ./kwindowsystem.moc:120
#33 0x0110b476 in KWindowSystemPrivate::addClient (this=0x96760b8, w=73507107) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#34 0x01119b07 in NETRootInfo::update (this=0x96760cc, dirty_props=0xbfd04908) at ../../kdeui/windowmanagement/netwm.cpp:2186
#35 0x0111a647 in NETRootInfo::event (this=0x96760cc, event=<value optimized out>, properties=0xbfd049f4, properties_size=5) at ../../kdeui/windowmanagement/netwm.cpp:2058
#36 0x0110b861 in KWindowSystemPrivate::x11Event (this=0x96760b8, ev=0xbfd05ffc) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#37 0x00fb84d6 in KAppX11HackWidget::publicx11Event (this=0x9541b30, _event=0xbfd05ffc) at ../../kdeui/kernel/kapplication.cpp:911
#38 KApplication::x11EventFilter (this=0x9541b30, _event=0xbfd05ffc) at ../../kdeui/kernel/kapplication.cpp:961
#39 0x0785c71a in PlasmaApp::x11EventFilter (this=0x9541b30, event=0xbfd05ffc) at ../../../../plasma/shells/desktop/plasmaapp.cpp:490
#40 0x0267bd70 in qt_x11EventFilter (ev=0xbfd05ffc) at kernel/qapplication_x11.cpp:375
#41 0x0268d375 in QApplication::x11ProcessEvent (this=0x9541b30, event=0xbfd05ffc) at kernel/qapplication_x11.cpp:3271
#42 0x026bb502 in x11EventSourceDispatch (s=0x956b668, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00cb2e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x00cb6720 in ?? () from /lib/libglib-2.0.so.0
#45 0x00cb6853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x00bb102c in QEventDispatcherGlib::processEvents (this=0x9568850, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#47 0x026babe5 in QGuiEventDispatcherGlib::processEvents (this=0x9568850, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#48 0x00b84c79 in QEventLoop::processEvents (this=0xbfd062f4, flags=) at kernel/qeventloop.cpp:149
#49 0x00b850ca in QEventLoop::exec (this=0xbfd062f4, flags=...) at kernel/qeventloop.cpp:201
#50 0x00b8753f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#51 0x02619dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#52 0x0784680d in kdemain (argc=1, argv=0x952d900) at ../../../../plasma/shells/desktop/main.cpp:50
#53 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x950c778 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#54 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#55 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#56 0x0804fbaf in main (argc=2, argv=0xbfd06b54, envp=0xbfd06b60) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 215915

Reported using DrKonqi