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 x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3968)]

Thread 4 (Thread 0x7f624f4ee950 (LWP 3973)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f6270db2ce9 in QWaitCondition::wait (this=0x2afa660, mutex=0x2afa658, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f626fc3e5dc in QHostInfoAgent::run (this=0x2afa640) at kernel/qhostinfo.cpp:260
#3  0x00007f6270db1d02 in QThreadPrivate::start (arg=0x2afa640) at thread/qthread_unix.cpp:189
#4  0x00007f626cc823ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f626d866fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6248654950 (LWP 4512)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f624d781f91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f626cc823ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#3  0x00007f626d866fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f62423c3950 (LWP 4529)):
#0  0x00007f626d85d496 in *__GI___poll (fds=0x355c3c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f626ced477f in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f626ced4a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f6270ec454e in QEventDispatcherGlib::processEvents (this=0x3685650, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:326
#4  0x00007f6270e996a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1111240656}) at kernel/qeventloop.cpp:149
#5  0x00007f6270e99a6d in QEventLoop::exec (this=0x7f62423c3010, flags={i = 1111240736}) at kernel/qeventloop.cpp:200
#6  0x00007f6270daed68 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f624d9dd62c in ?? () from /usr/lib/kde4/plugins/phonon_backend/phonon_xine.so
#8  0x00007f6270db1d02 in QThreadPrivate::start (arg=0x31faef0) at thread/qthread_unix.cpp:189
#9  0x00007f626cc823ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#10 0x00007f626d866fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6271373750 (LWP 3968)):
[KCrash Handler]
#5  0x00007f6254e3c766 in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#6  0x00007f6254e3ab3a in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#7  0x00007f6254e41da8 in ?? () from /usr/lib/libtaskmanager.so.4
#8  0x00007f6254e42c2d in ?? () from /usr/lib/libtaskmanager.so.4
#9  0x00007f6270eb08d2 in QMetaObject::activate (sender=0x36fa280, from_signal_index=<value optimized out>, to_signal_index=22, argv=0x1) at kernel/qobject.cpp:3120
#10 0x00007f6254e53a92 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#11 0x00007f6254e543b1 in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#12 0x00007f6254e3ced1 in ?? () from /usr/lib/libtaskmanager.so.4
#13 0x00007f6254e3f51d in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#14 0x00007f6270eb08d2 in QMetaObject::activate (sender=0x28f91a0, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x1) at kernel/qobject.cpp:3120
#15 0x00007f6254e56f35 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#16 0x00007f6254e5856e in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#17 0x00007f6254e5a2bf in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#18 0x00007f6270eb08d2 in QMetaObject::activate (sender=0x280b3d0, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x1) at kernel/qobject.cpp:3120
#19 0x00007f626f6a7ab2 in KWindowSystem::windowRemoved (this=0x0, _t1=41971414) at /build/buildd/kde4libs-4.2.95/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:127
#20 0x00007f626f6a9ffb in KWindowSystemPrivate::removeClient (this=0x280b660, w=41971414) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#21 0x00007f626f6b8fe1 in NETRootInfo::update (this=0x280b688, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#22 0x00007f626f6b936b in NETRootInfo::event (this=0x280b688, event=<value optimized out>, properties=0x7fff793ad0f0, properties_size=5)
    at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#23 0x00007f626f6aa2cb in KWindowSystemPrivate::x11Event (this=0x280b660, ev=0x7fff793aeb20) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#24 0x00007f626f579a43 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff793aeb20) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#25 0x00007f6265b26b57 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#26 0x00007f626e499fdf in qt_x11EventFilter (ev=0x7fff793aeb20) at kernel/qapplication_x11.cpp:375
#27 0x00007f626e4ad4e4 in QApplication::x11ProcessEvent (this=0x23f1580, event=0x7fff793aeb20) at kernel/qapplication_x11.cpp:3287
#28 0x00007f626e4d6f84 in x11EventSourceDispatch (s=0x2434140, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f626ced120a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x00007f626ced48e0 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007f626ced4a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0x00007f6270ec452f in QEventDispatcherGlib::processEvents (this=0x24305e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#33 0x00007f626e4d670f in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f6270e996a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 2033905168}) at kernel/qeventloop.cpp:149
#35 0x00007f6270e99a6d in QEventLoop::exec (this=0x7fff793aee50, flags={i = 2033905248}) at kernel/qeventloop.cpp:200
#36 0x00007f6270e9bd34 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x00007f6265b1363b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#38 0x000000000040714e in launch (argc=1, _name=0x23e3a18 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x23e3a38 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a309 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#39 0x0000000000407978 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#40 0x0000000000407f25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#41 0x0000000000408a66 in main (argc=2, argv=0x7fff793afce8, envp=0x7fff793afd00) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 199427

Reported using DrKonqi