Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 0 (LWP 4014)]

Thread 2 (Thread 0x7fa0e4c01950 (LWP 4041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fa103e93939 in QWaitCondition::wait (this=0x2cfeb90, mutex=0x2cfeb88, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007fa102d104cc in QHostInfoAgent::run (this=0x2cfeb70) at kernel/qhostinfo.cpp:260
#3  0x00007fa103e92952 in QThreadPrivate::start (arg=0x2cfeb70) at thread/qthread_unix.cpp:189
#4  0x00007fa0ffd143ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007fa1008f8fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa10445d750 (LWP 4014)):
[KCrash Handler]
#5  0x00007fa0e992884c in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#6  0x00007fa0e992f908 in ?? () from /usr/lib/libtaskmanager.so.4
#7  0x00007fa0e99304ed in ?? () from /usr/lib/libtaskmanager.so.4
#8  0x00007fa103f911f2 in QMetaObject::activate (sender=0x327e340, from_signal_index=<value optimized out>, to_signal_index=22, argv=0x1) at kernel/qobject.cpp:3069
#9  0x00007fa0e9941572 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#10 0x00007fa0e992afe2 in ?? () from /usr/lib/libtaskmanager.so.4
#11 0x00007fa0e992babe in ?? () from /usr/lib/libtaskmanager.so.4
#12 0x00007fa0e992d0b0 in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#13 0x00007fa103f911f2 in QMetaObject::activate (sender=0x2c315d0, from_signal_index=<value optimized out>, to_signal_index=8, argv=0x1) at kernel/qobject.cpp:3069
#14 0x00007fa0e9944741 in TaskManager::TaskManager::desktopChanged () from /usr/lib/libtaskmanager.so.4
#15 0x00007fa0e9947b9e in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0x00007fa103f911f2 in QMetaObject::activate (sender=0x2854060, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x1) at kernel/qobject.cpp:3069
#17 0x00007fa1027754de in KWindowSystem::currentDesktopChanged (this=0x250e158, _t1=2) at /build/buildd/kde4libs-4.2.90/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:113
#18 0x00007fa102777e33 in KWindowSystemPrivate::x11Event (this=0x28542f0, ev=0x7fff0c48fcd0) at /build/buildd/kde4libs-4.2.90/kdeui/windowmanagement/kwindowsystem_x11.cpp:139
#19 0x00007fa102647483 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff0c48fcd0) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:911
#20 0x00007fa0f9236817 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#21 0x00007fa101561b1f in qt_x11EventFilter (ev=0x7fff0c48fcd0) at kernel/qapplication_x11.cpp:375
#22 0x00007fa101574faf in QApplication::x11ProcessEvent (this=0x2563330, event=0x7fff0c48fcd0) at kernel/qapplication_x11.cpp:3273
#23 0x00007fa10159e464 in x11EventSourceDispatch (s=0x25a82c0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#24 0x00007fa0fff6320a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x00007fa0fff668e0 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007fa0fff66a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0x00007fa103fa4e6f in QEventDispatcherGlib::processEvents (this=0x25a3870, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#28 0x00007fa10159dbef in QGuiEventDispatcherGlib::processEvents (this=0x250e158, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x00007fa103f7a002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 206110656}) at kernel/qeventloop.cpp:149
#30 0x00007fa103f7a3cd in QEventLoop::exec (this=0x7fff0c490000, flags={i = 206110736}) at kernel/qeventloop.cpp:200
#31 0x00007fa103f7c694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#32 0x00007fa0f92237eb in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#33 0x000000000040714e in launch (argc=1, _name=0x2558cc8 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x2558ce8 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a308 "0") at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:671
#34 0x0000000000407978 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1163
#35 0x0000000000407f25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1356
#36 0x0000000000408a66 in main (argc=2, argv=0x7fff0c490e98, envp=0x7fff0c490eb0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1783

Reported using DrKonqi