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: 4.5.1
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I simpl swiched the Desktop and Plasma chrashed

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4696)]

Thread 6 (Thread 0xa675eb90 (LWP 4721)):
#0  0xb7f19430 in __kernel_vsyscall ()
#1  0xb64040e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65e42ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d0c5b2 in QWaitCondition::wait (this=0xa2f6e58, mutex=0xa2f6e54, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7650ae2 in QHostInfoAgent::run (this=0xa2f6e48) at kernel/qhostinfo.cpp:260
#5  0xb7d0b56e in QThreadPrivate::start (arg=0xa2f6e48) at thread/qthread_unix.cpp:189
#6  0xb64004ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65d549e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 5 (Thread 0xa004ab90 (LWP 6571)):
#0  0xb7f19430 in __kernel_vsyscall ()
#1  0xb6404412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65e4344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xa4594ae3 in ?? () from /usr/lib/libxine.so.1

Thread 4 (Thread 0x9f7eab90 (LWP 6572)):
#0  0xb64d00ac in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0xb7e2ce2b in QTimerInfoList::getTime (this=0xa6ea3ec, t=@0xa6ea410) at kernel/qeventdispatcher_unix.cpp:339
#2  0xb7e2d001 in QTimerInfoList::updateCurrentTime (this=0xa6ea3ec) at kernel/qeventdispatcher_unix.cpp:297
#3  0xb7e2ebec in QTimerInfoList::timerWait (this=0xa6ea3ec, tm=@0x9f7ea124) at kernel/qeventdispatcher_unix.cpp:420
#4  0xb7e2b3ba in timerSourcePrepare (source=0xb64d3ff4, timeout=0x9f7ea178) at kernel/qeventdispatcher_glib.cpp:140
#5  0xb64509c0 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#6  0xb6450dda in ?? () from /usr/lib/libglib-2.0.so.0
#7  0xb6451268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#8  0xb7e2b1f7 in QEventDispatcherGlib::processEvents (this=0xaa61fa8, flags={i = -1619090840}) at kernel/qeventdispatcher_glib.cpp:326
#9  0xb7dfddda in QEventLoop::processEvents (this=0x9f7ea2e0, flags={i = -1619090776}) at kernel/qeventloop.cpp:149
#10 0xb7dfe21a in QEventLoop::exec (this=0x9f7ea2e0, flags={i = -1619090712}) at kernel/qeventloop.cpp:200
#11 0xb7d08239 in QThread::exec (this=0xb438398) at thread/qthread.cpp:487
#12 0xa45e220a in ?? () from /usr/lib/kde4/plugins/phonon_backend/phonon_xine.so
#13 0xb7d0b56e in QThreadPrivate::start (arg=0xb438398) at thread/qthread_unix.cpp:189
#14 0xb64004ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb65d549e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0x9efe9b90 (LWP 6575)):
#0  0xb7f19430 in __kernel_vsyscall ()
#1  0xb65caae7 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x9f80f912 in ?? () from /usr/lib/libpulse.so.0
#3  0x9f7ff3c0 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#4  0x9f800d43 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#5  0x9f800e14 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#6  0x9f80f6c3 in ?? () from /usr/lib/libpulse.so.0
#7  0x9f839ef2 in ?? () from /usr/lib/libpulse.so.0
#8  0xb64004ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0xb65d549e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0x9a7c6b90 (LWP 6576)):
#0  0xb7f19430 in __kernel_vsyscall ()
#1  0xb64040e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65e42ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xa45a5d8e in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb5f0ea10 (LWP 4696)):
[KCrash Handler]
#6  TaskManager::GroupManager::manualSortingRequest (this=0x0, taskItem=0xa836050, newIndex=0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#7  0xa855731b in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x9c8a2f8, group=0xb36fa78) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#8  0xa855ef27 in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x9c8a2f8) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#9  0xa855fe5b in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x9c8a2f8, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbff333ac)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#10 0xb7e15a58 in QMetaObject::activate (sender=0xb36fa78, from_signal_index=22, to_signal_index=22, argv=0xbff333ac) at kernel/qobject.cpp:3120
#11 0xb7e166e2 in QMetaObject::activate (sender=0xb36fa78, m=0xa8581b74, local_signal_index=1, argv=0xbff333ac) at kernel/qobject.cpp:3194
#12 0xa8572d83 in TaskManager::TaskGroup::itemRemoved (this=0xb36fa78, _t1=0xa94df48) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:146
#13 0xa85737ab in TaskManager::TaskGroup::remove (this=0xb36fa78, item=0xa94df48) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#14 0xa85739a6 in TaskManager::TaskGroup::add (this=0xa0f7e70, item=0xa94df48) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:120
#15 0xa8559d0a in TaskManager::GroupManagerPrivate::addTask (this=0xa0e9268, task={d = 0xbff33508}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:290
#16 0xa855bbc6 in TaskManager::GroupManagerPrivate::taskChanged (this=0xa0e9268, task={d = 0xbff33558}, changes={i = -1074580140})
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:438
#17 0xa855c571 in TaskManager::GroupManager::qt_metacall (this=0xa16f8e0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbff33628)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:98
#18 0xb7e15a58 in QMetaObject::activate (sender=0xa0f7f98, from_signal_index=9, to_signal_index=9, argv=0xbff33628) at kernel/qobject.cpp:3120
#19 0xb7e166e2 in QMetaObject::activate (sender=0xa0f7f98, m=0xa8581d3c, local_signal_index=5, argv=0xbff33628) at kernel/qobject.cpp:3194
#20 0xa85766b9 in TaskManager::TaskManager::windowChanged (this=0xa0f7f98, _t1={d = 0xbff33678}, _t2={i = -1074579852})
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:190
#21 0xa8579b7e in TaskManager::TaskManager::taskChanged (this=0xa0f7f98, changes={i = -1074579780}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:350
#22 0xa8579daa in TaskManager::TaskManager::qt_metacall (this=0xa0f7f98, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbff337ac)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:118
#23 0xb7e15a58 in QMetaObject::activate (sender=0xa6d1920, from_signal_index=4, to_signal_index=4, argv=0xbff337ac) at kernel/qobject.cpp:3120
#24 0xb7e166e2 in QMetaObject::activate (sender=0xa6d1920, m=0xa85810b8, local_signal_index=0, argv=0xbff337ac) at kernel/qobject.cpp:3194
#25 0xa8567bf3 in TaskManager::Task::changed (this=0xa6d1920, _t1={i = -1074579496}) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/task.moc:211
#26 0xa8567c3d in TaskManager::Task::setActive (this=0xa6d1920, a=true) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/task.cpp:217
#27 0xa8578597 in TaskManager::TaskManager::activeWindowChanged (this=0xa0f7f98, w=50338567) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:377
#28 0xa8579fa4 in TaskManager::TaskManager::qt_metacall (this=0xa0f7f98, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbff3393c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:112
#29 0xb7e15a58 in QMetaObject::activate (sender=0x9c1e6b0, from_signal_index=7, to_signal_index=7, argv=0xbff3393c) at kernel/qobject.cpp:3120
#30 0xb7e166e2 in QMetaObject::activate (sender=0x9c1e6b0, m=0xb758826c, local_signal_index=3, argv=0xbff3393c) at kernel/qobject.cpp:3194
#31 0xb7520803 in KWindowSystem::activeWindowChanged (this=0x9c1e6b0, _t1=50338567) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:134
#32 0xb7523501 in KWindowSystemPrivate::x11Event (this=0x9aa4fc8, ev=0xbff34fbc) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:143
#33 0xb73d36f9 in KApplication::x11EventFilter (this=0x99c3c68, _event=0xbff34fbc) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#34 0xb3ae0e37 in PlasmaApp::x11EventFilter (this=0x99c3c68, event=0xbff34fbc) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#35 0xb68fdc5e in qt_x11EventFilter (ev=0xbff34fbc) at kernel/qapplication_x11.cpp:375
#36 0xb69104ee in QApplication::x11ProcessEvent (this=0x99c3c68, event=0xbff34fbc) at kernel/qapplication_x11.cpp:3287
#37 0xb693d06a in x11EventSourceDispatch (s=0x99cc970, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#38 0xb644db88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#39 0xb64510eb in ?? () from /usr/lib/libglib-2.0.so.0
#40 0xb6451268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#41 0xb7e2b1d8 in QEventDispatcherGlib::processEvents (this=0x99c74a0, flags={i = -1074572936}) at kernel/qeventdispatcher_glib.cpp:324
#42 0xb693c765 in QGuiEventDispatcherGlib::processEvents (this=0x99c74a0, flags={i = -1074572888}) at kernel/qguieventdispatcher_glib.cpp:202
#43 0xb7dfddda in QEventLoop::processEvents (this=0xbff35220, flags={i = -1074572824}) at kernel/qeventloop.cpp:149
#44 0xb7dfe21a in QEventLoop::exec (this=0xbff35220, flags={i = -1074572760}) at kernel/qeventloop.cpp:200
#45 0xb7e006c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#46 0xb689aa47 in QApplication::exec () at kernel/qapplication.cpp:3526
#47 0xb3acb510 in kdemain (argc=1, argv=0x9949b40) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#48 0x0804e1c0 in launch (argc=1, _name=0x99b0c7c "/usr/bin/plasma-desktop", args=0x99b0c94 "", cwd=0x0, envc=0, envs=0x99b0c98 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d1 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#49 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#50 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#51 0x0804fb0a in main (argc=2, argv=0xbff35a14, envp=0xbff35a20) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 198932

Reported using DrKonqi