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 2.6.30.8-64.fc11.x86_64 x86_64

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9252690860 (LWP 25333))]

Thread 2 (Thread 0x7f923c12a910 (LWP 25336)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x0000003b5f85adfb in QWaitConditionPrivate::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  0x0000003b5fe818e4 in QHostInfoAgent::run (this=0x11e80d0) at kernel/qhostinfo.cpp:260
#4  0x0000003b5f859d45 in QThreadPrivate::start (arg=0x11e80d0) at thread/qthread_unix.cpp:188
#5  0x00000036ba60686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#6  0x00000036b9ade3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9252690860 (LWP 25333)):
[KCrash Handler]
#5  Tasks::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  0x00007f923e140155 in TaskItemLayout::preferredColumns (this=0x12e3680) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:206
#8  0x00007f923e140e3d in TaskItemLayout::gridLayoutSize (this=0x12e3680) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:222
#9  0x00007f923e140ecb in TaskItemLayout::layoutItems (this=0x650064002f0073) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:245
#10 0x00007f923e14195f in TaskItemLayout::insert (this=0x12e3680, index=<value optimized out>, item=0x5e64cb0) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:125
#11 0x00007f923e141b30 in TaskItemLayout::addTaskItem (this=0x12e3680, item=0x5e64cb0) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:82
#12 0x00007f923e14d848 in TaskGroupItem::itemAdded (this=0x1300470, groupableItem=0x4d3a040) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/applets/tasks/taskgroupitem.cpp:477
#13 0x00007f923e14de94 in TaskGroupItem::qt_metacall (this=0x1300470, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff61f9f500)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#14 0x0000003b5f9547dc in QMetaObject::activate (sender=0x13008e0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x36b9d69e90) at kernel/qobject.cpp:3113
#15 0x0000003644830fbf in TaskManager::TaskGroup::itemAdded (this=0x650064002f0073, _t1=0x4d3a040) at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/taskgroup.moc:139
#16 0x000000364483189b in TaskManager::TaskGroup::add (this=0x13008e0, item=0x4d3a040) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/taskgroup.cpp:138
#17 0x0000003644818705 in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x479a8c0, group=0x5d7e890)
    at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/abstractgroupingstrategy.cpp:168
#18 0x000000364481f66b in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x479a8c0) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#19 0x00000036448202b5 in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x479a8c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#20 0x0000003b5f9547dc in QMetaObject::activate (sender=0x5d7e890, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x36b9d69e90) at kernel/qobject.cpp:3113
#21 0x0000003644830f82 in TaskManager::TaskGroup::itemRemoved (this=0x650064002f0073, _t1=0x58d2160)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/taskgroup.moc:146
#22 0x0000003644831651 in TaskManager::TaskGroup::remove (this=0x5d7e890, item=0x58d2160) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/taskgroup.cpp:182
#23 0x000000364481b34b in TaskManager::GroupManagerPrivate::removeTask (this=0x12eda50, task={d = 0x56f6bc0}) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/groupmanager.cpp:311
#24 0x000000364481cfca in TaskManager::GroupManager::qt_metacall (this=0x12ecca0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff61f9f9a0)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/groupmanager.moc:105
#25 0x0000003b5f9547dc in QMetaObject::activate (sender=0x10ea400, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x36b9d69e90) at kernel/qobject.cpp:3113
#26 0x00000036448343c5 in TaskManager::TaskManager::taskRemoved (this=0x650064002f0073, _t1=<value optimized out>)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/taskmanager.moc:162
#27 0x0000003644835f8d in TaskManager::TaskManager::windowRemoved (this=0x10ea400, w=41943065) at /usr/src/debug/kdebase-workspace-4.3.1/libs/taskmanager/taskmanager.cpp:278
#28 0x0000003644837727 in TaskManager::TaskManager::qt_metacall (this=0x10ea400, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff61f9fbe0)
    at /usr/src/debug/kdebase-workspace-4.3.1/x86_64-redhat-linux-gnu/libs/taskmanager/taskmanager.moc:110
#29 0x0000003b5f9547dc in QMetaObject::activate (sender=0xe7bd50, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x36b9d69e90) at kernel/qobject.cpp:3113
#30 0x0000003b6233cab2 in KWindowSystem::windowRemoved (this=0x650064002f0073, _t1=41943065) at /usr/src/debug/kdelibs-4.3.1/x86_64-redhat-linux-gnu/kdeui/kwindowsystem.moc:127
#31 0x0000003b6233f8ba in KWindowSystemPrivate::removeClient (this=0xe9b2e0, w=41943065) at /usr/src/debug/kdelibs-4.3.1/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#32 0x0000003b6234d41d in NETRootInfo::update (this=0xe9b308, dirty_props=<value optimized out>) at /usr/src/debug/kdelibs-4.3.1/kdeui/windowmanagement/netwm.cpp:2183
#33 0x0000003b6234e153 in NETRootInfo::event (this=0xe9b308, event=<value optimized out>, properties=0x7fff61f9fef0, properties_size=5)
    at /usr/src/debug/kdelibs-4.3.1/kdeui/windowmanagement/netwm.cpp:2058
#34 0x0000003b6233fb6c in KWindowSystemPrivate::x11Event (this=0xe9b2e0, ev=0x7fff61fa18c0) at /usr/src/debug/kdelibs-4.3.1/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#35 0x0000003b62211006 in KAppX11HackWidget::publicx11Event (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:900
#36 KApplication::x11EventFilter (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:950
#37 0x0000003cd3e4e277 in PlasmaApp::x11EventFilter (this=0xaac7c0, event=0x7fff61fa18c0) at /usr/src/debug/kdebase-workspace-4.3.1/plasma/shells/desktop/plasmaapp.cpp:490
#38 0x0000003b615e96c1 in qt_x11EventFilter (ev=0x7fff61fa18c0) at kernel/qapplication_x11.cpp:375
#39 0x0000003b615f9a81 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff61fa18c0) at kernel/qapplication_x11.cpp:3266
#40 0x0000003b616227dc in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#41 0x0000003b5dc3790e in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#42 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#43 0x0000003b5dc3b0e8 in g_main_context_iterate (context=0xac2120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2455
#44 0x0000003b5dc3b20a in IA__g_main_context_iteration (context=0xac2120, may_block=1) at gmain.c:2518
#45 0x0000003b5f967936 in QEventDispatcherGlib::processEvents (this=0xa944e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#46 0x0000003b61621f8e in QGuiEventDispatcherGlib::processEvents (this=0x650064002f0073, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#47 0x0000003b5f93ded2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 36}) at kernel/qeventloop.cpp:149
#48 0x0000003b5f93e2a4 in QEventLoop::exec (this=0x7fff61fa1bf0, flags={i = 0}) at kernel/qeventloop.cpp:201
#49 0x0000003b5f940439 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0x0000003cd3e3af4f 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
#51 0x00000036b9a1ea2d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff61fa1ef8) at libc-start.c:220
#52 0x0000000000400779 in _start ()

Reported using DrKonqi