Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3476)]

Thread 2 (Thread 0x7f433204d950 (LWP 3479)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f4351fbe939 in QWaitCondition::wait (this=0x2cf9a80, mutex=0x2cf9a78, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f4350e3b4cc in QHostInfoAgent::run (this=0x2cf9a60) at kernel/qhostinfo.cpp:260
#3  0x00007f4351fbd952 in QThreadPrivate::start (arg=0x2cf9a60) at thread/qthread_unix.cpp:189
#4  0x00007f434de3f3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f434ea23fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4352587750 (LWP 3476)):
[KCrash Handler]
#5  TaskManager::TaskGroup::remove (this=0x30d2790, item=0x3784de0) at /usr/include/qt4/QtCore/qlist.h:90
#6  0x00007f43348c85bf in TaskManager::TaskGroup::add (this=0x242b4e0, item=0x3784de0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:120
#7  0x00007f43348ae45d in TaskManager::AbstractGroupingStrategy::createGroup (this=0x2b46e10, items=
        {{p = {static shared_null = {ref = {_q_value = 44019}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x7fff5a5b9210}, d = 0x7fff5a5b9210}})
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:137
#8  0x00007f43348b6fcd in TaskManager::ProgramGroupingStrategy::programGrouping (this=0x2b46e10, taskItem=<value optimized out>, groupItem=0x2b11910)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:191
#9  0x00007f43348b7452 in TaskManager::ProgramGroupingStrategy::handleItem (this=0x2b46e10, item=0x2f8dec0)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:152
#10 0x00007f43348b109d in TaskManager::GroupManagerPrivate::addTask (this=0x2b03f30, task={d = 0x7fff5a5b9430}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:288
#11 0x00007f43348b1631 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x2b03f30) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:155
#12 0x00007f43348b1b53 in TaskManager::GroupManager::setGroupingStrategy (this=0x2b41bc0, strategy=TaskManager::GroupManager::ProgramGrouping)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:690
#13 0x00007f4334af1e4e in Tasks::qt_metacall (this=0x28ccc70, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5a5b9610)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/plasma/applets/tasks/tasks.moc:85
#14 0x00007f43520bc1f2 in QMetaObject::activate (sender=0x2ab3ab0, from_signal_index=<value optimized out>, to_signal_index=15, argv=0x2955ba8) at kernel/qobject.cpp:3069
#15 0x00007f4334afd921 in TaskGroupItem::sizeHintChanged (this=0x3784de0, _t1=Qt::PreferredSize)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:137
#16 0x00007f4334b00bf9 in TaskGroupItem::updatePreferredSize (this=0x2ab3ab0) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:786
#17 0x00007f4334af550e in TaskItemLayout::updatePreferredSize (this=0x2b04d40) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:400
#18 0x00007f4334af604b in TaskItemLayout::layoutItems (this=0x2b04d40) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:377
#19 0x00007f4334af6824 in TaskItemLayout::insert (this=0x2b04d40, index=6, item=0x3739760) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:125
#20 0x00007f4334af6a00 in TaskItemLayout::addTaskItem (this=0x2b04d40, item=0x3739760) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:82
#21 0x00007f4334b01748 in TaskGroupItem::itemAdded (this=0x2ab3ab0, groupableItem=0x28c1e50) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:455
#22 0x00007f4334b0267c in TaskGroupItem::qt_metacall (this=0x2ab3ab0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5a5b9c40)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#23 0x00007f43520bc1f2 in QMetaObject::activate (sender=0x2b11910, from_signal_index=<value optimized out>, to_signal_index=21, argv=0x2955ba8) at kernel/qobject.cpp:3069
#24 0x00007f43348c7acf in TaskManager::TaskGroup::itemAdded (this=0x3784de0, _t1=0x28c1e50) at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:139
#25 0x00007f43348c862b in TaskManager::TaskGroup::add (this=0x2b11910, item=0x28c1e50) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:138
#26 0x00007f43348b0ff2 in TaskManager::GroupManagerPrivate::addTask (this=0x2b03f30, task={d = 0x7fff5a5b9d60}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:290
#27 0x00007f43348b355d in TaskManager::GroupManager::qt_metacall (this=0x2b41bc0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff5a5b9e90)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:103
#28 0x00007f43520bc1f2 in QMetaObject::activate (sender=0x2b04360, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x2955ba8) at kernel/qobject.cpp:3069
#29 0x00007f43348caf62 in TaskManager::TaskManager::taskAdded (this=0x3784de0, _t1=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:155
#30 0x00007f43348ccf3f in TaskManager::TaskManager::windowAdded (this=0x2b04360, w=31457321) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:262
#31 0x00007f43348ce13f in TaskManager::TaskManager::qt_metacall (this=0x2b04360, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5a5ba120)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:109
#32 0x00007f43520bc1f2 in QMetaObject::activate (sender=0x26f2d20, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x2955ba8) at kernel/qobject.cpp:3069
#33 0x00007f43508a0af2 in KWindowSystem::windowAdded (this=0x3784de0, _t1=31457321) at /build/buildd/kde4libs-4.2.95/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:120
#34 0x00007f43508a2e4c in KWindowSystemPrivate::addClient (this=0x260d040, w=31457321) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#35 0x00007f43508b200b in NETRootInfo::update (this=0x260d068, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2138
#36 0x00007f43508b236b in NETRootInfo::event (this=0x260d068, event=<value optimized out>, properties=0x7fff5a5ba440, properties_size=5)
    at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#37 0x00007f43508a32cb in KWindowSystemPrivate::x11Event (this=0x260d040, ev=0x7fff5a5bae30) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#38 0x00007f4350772a43 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff5a5bae30) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#39 0x00007f4345f8eb57 in PlasmaApp::x11EventFilter (this=0x2313390, event=0x7fff5a5bae30) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#40 0x00007f434f68cb1f in qt_x11EventFilter (ev=0x7fff5a5bae30) at kernel/qapplication_x11.cpp:375
#41 0x00007f434f69ffaf in QApplication::x11ProcessEvent (this=0x2313390, event=0x7fff5a5bae30) at kernel/qapplication_x11.cpp:3273
#42 0x00007f434f6c9464 in x11EventSourceDispatch (s=0x2356020, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00007f434e08e20a in IA__g_main_context_dispatch (context=0x2354d20) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#44 0x00007f434e0918e0 in g_main_context_iterate (context=0x2354d20, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#45 0x00007f434e091a7c in IA__g_main_context_iteration (context=0x2354d20, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#46 0x00007f43520cfe6f in QEventDispatcherGlib::processEvents (this=0x2352500, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#47 0x00007f434f6c8bef in QGuiEventDispatcherGlib::processEvents (this=0x3784de0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#48 0x00007f43520a5002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1515958560}) at kernel/qeventloop.cpp:149
#49 0x00007f43520a53cd in QEventLoop::exec (this=0x7fff5a5bb160, flags={i = 1515958640}) at kernel/qeventloop.cpp:200
#50 0x00007f43520a7694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#51 0x00007f4345f7b63b in kdemain (argc=1, argv=0x23058e0) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#52 0x000000000040714e in launch (argc=1, _name=0x2306058 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x2306078 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a309 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#53 0x0000000000407978 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#54 0x0000000000407f25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#55 0x0000000000408a66 in main (argc=2, argv=0x7fff5a5bbff8, envp=0x7fff5a5bc010) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi