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 2.6.30-020630-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
It crashed by normal use, like: Write an Email, surf with Konqueror/Opera, Delete some Files, Open an app (especially kget(!)

 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3570)]

Thread 2 (Thread 0xa91f7b90 (LWP 3579)):
#0  0xb8047430 in __kernel_vsyscall ()
#1  0xb650a0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66ea2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e3d9b2 in QWaitCondition::wait (this=0x8dfa490, mutex=0x8dfa48c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7779152 in QHostInfoAgent::run (this=0x8dfa480) at kernel/qhostinfo.cpp:260
#5  0xb7e3c96e in QThreadPrivate::start (arg=0x8dfa480) at thread/qthread_unix.cpp:189
#6  0xb65064ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66db49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6014a10 (LWP 3570)):
[KCrash Handler]
#6  TaskManager::GroupManager::manualSortingRequest (this=0x0, taskItem=0x9dbbac8, newIndex=4) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#7  0xa944131b in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x8ed42e0, group=0x91852d8) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#8  0xa9448f27 in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x8ed42e0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#9  0xa9449e5b in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x8ed42e0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfb9dbfc)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#10 0xb7f46ca8 in QMetaObject::activate (sender=0x91852d8, from_signal_index=22, to_signal_index=22, argv=0xbfb9dbfc) at kernel/qobject.cpp:3069
#11 0xb7f47932 in QMetaObject::activate (sender=0x91852d8, m=0xa946bb74, local_signal_index=1, argv=0xbfb9dbfc) at kernel/qobject.cpp:3143
#12 0xa945cd83 in TaskManager::TaskGroup::itemRemoved (this=0x91852d8, _t1=0xa0f9ff0) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:146
#13 0xa945d7ab in TaskManager::TaskGroup::remove (this=0x91852d8, item=0xa0f9ff0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#14 0xa9443ba5 in TaskManager::GroupManagerPrivate::removeTask (this=0x8b92f30, task={d = 0xbfb9dcac}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#15 0xa944646a in TaskManager::GroupManager::qt_metacall (this=0x8e877c0, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbfb9dd8c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:105
#16 0xb7f46ca8 in QMetaObject::activate (sender=0x8e81278, from_signal_index=5, to_signal_index=5, argv=0xbfb9dd8c) at kernel/qobject.cpp:3069
#17 0xb7f47932 in QMetaObject::activate (sender=0x8e81278, m=0xa946bd3c, local_signal_index=1, argv=0xbfb9dd8c) at kernel/qobject.cpp:3143
#18 0xa9460823 in TaskManager::TaskManager::taskRemoved (this=0x8e81278, _t1={d = 0xbfb9ddd4}) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:162
#19 0xa94620cf in TaskManager::TaskManager::windowRemoved (this=0x8e81278, w=39845913) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:279
#20 0xa9463fec in TaskManager::TaskManager::qt_metacall (this=0x8e81278, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfb9defc)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:110
#21 0xb7f46ca8 in QMetaObject::activate (sender=0x89a30f8, from_signal_index=6, to_signal_index=6, argv=0xbfb9defc) at kernel/qobject.cpp:3069
#22 0xb7f47932 in QMetaObject::activate (sender=0x89a30f8, m=0xb76af26c, local_signal_index=2, argv=0xbfb9defc) at kernel/qobject.cpp:3143
#23 0xb7647853 in KWindowSystem::windowRemoved (this=0x89a30f8, _t1=39845913) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb764a0d6 in KWindowSystemPrivate::removeClient (this=0x8802e38, w=39845913) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb7659753 in NETRootInfo::update (this=0x8802e4c, dirty_props=0xbfb9e044) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0xb7659b3f in NETRootInfo::event (this=0x8802e4c, event=0xbfb9e75c, properties=0xbfb9e128, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb764a36d in KWindowSystemPrivate::x11Event (this=0x8802e38, ev=0xbfb9e6fc) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb74fa6f9 in KApplication::x11EventFilter (this=0x871bc80, _event=0xbfb9e6fc) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb4b82e37 in PlasmaApp::x11EventFilter (this=0x871bc80, event=0xbfb9e6fc) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#30 0xb6a23f3e in qt_x11EventFilter (ev=0xbfb9e6fc) at kernel/qapplication_x11.cpp:375
#31 0xb6a366a8 in QApplication::x11ProcessEvent (this=0x871bc80, event=0xbfb9e6fc) at kernel/qapplication_x11.cpp:3273
#32 0xb6a62c6a in x11EventSourceDispatch (s=0x8724800, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb6553b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb65570eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb6557268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7f5c438 in QEventDispatcherGlib::processEvents (this=0x871f358, flags={i = -1078335304}) at kernel/qeventdispatcher_glib.cpp:323
#37 0xb6a62365 in QGuiEventDispatcherGlib::processEvents (this=0x871f358, flags={i = -1078335256}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7f2f06a in QEventLoop::processEvents (this=0xbfb9e960, flags={i = -1078335192}) at kernel/qeventloop.cpp:149
#39 0xb7f2f4aa in QEventLoop::exec (this=0xbfb9e960, flags={i = -1078335128}) at kernel/qeventloop.cpp:200
#40 0xb7f31959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0xb69c0d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0xb4b6d510 in kdemain (argc=1, argv=0x86b8b40) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#43 0x0804e1c0 in launch (argc=1, _name=0x86e9154 "/usr/bin/plasma-desktop", args=0x86e916c "", cwd=0x0, envc=0, envs=0x86e9170 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d1 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#44 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#45 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#46 0x0804fb0a in main (argc=2, argv=0xbfb9f154, envp=0xbfb9f160) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 198812

Reported using DrKonqi