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 i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3674)]

Thread 2 (Thread 0xa9462b90 (LWP 3675)):
#0  0xb808f430 in __kernel_vsyscall ()
#1  0xb65570e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb67372ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e8a9b2 in QWaitCondition::wait (this=0xa5f1918, mutex=0xa5f1914, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb77c6152 in QHostInfoAgent::run (this=0xa5f1908) at kernel/qhostinfo.cpp:260
#5  0xb7e8996e in QThreadPrivate::start (arg=0xa5f1908) at thread/qthread_unix.cpp:189
#6  0xb65534ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb672849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6061a10 (LWP 3674)):
[KCrash Handler]
#6  0xa969f32a in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xa969d31b in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xa96a4f27 in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xa96a5e5b in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xb7f93ca8 in QMetaObject::activate (sender=0xa90c9d8, from_signal_index=22, to_signal_index=22, argv=0xbffaa4fc) at kernel/qobject.cpp:3069
#11 0xb7f94932 in QMetaObject::activate (sender=0xa90c9d8, m=0xa96c7b74, local_signal_index=1, argv=0xbffaa4fc) at kernel/qobject.cpp:3143
#12 0xa96b8d83 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xa96b97ab in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xa969fba5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0xa96a246a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7f93ca8 in QMetaObject::activate (sender=0xa232c40, from_signal_index=5, to_signal_index=5, argv=0xbffaa68c) at kernel/qobject.cpp:3069
#17 0xb7f94932 in QMetaObject::activate (sender=0xa232c40, m=0xa96c7d3c, local_signal_index=1, argv=0xbffaa68c) at kernel/qobject.cpp:3143
#18 0xa96bc823 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa96be0cf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa96bffec in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7f93ca8 in QMetaObject::activate (sender=0xa153fa0, from_signal_index=6, to_signal_index=6, argv=0xbffaa7fc) at kernel/qobject.cpp:3069
#22 0xb7f94932 in QMetaObject::activate (sender=0xa153fa0, m=0xb76fc26c, local_signal_index=2, argv=0xbffaa7fc) at kernel/qobject.cpp:3143
#23 0xb7694853 in KWindowSystem::windowRemoved (this=0xa153fa0, _t1=46138535) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb76970d6 in KWindowSystemPrivate::removeClient (this=0x9f99288, w=46138535) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb76a6753 in NETRootInfo::update (this=0x9f9929c, dirty_props=0xbffaa944) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0xb76a6b3f in NETRootInfo::event (this=0x9f9929c, event=0xbffab05c, properties=0xbffaaa28, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb769736d in KWindowSystemPrivate::x11Event (this=0x9f99288, ev=0xbffaaffc) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb75476f9 in KApplication::x11EventFilter (this=0x9ed40f0, _event=0xbffaaffc) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb4bcee37 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb6a70f3e in qt_x11EventFilter (ev=0xbffaaffc) at kernel/qapplication_x11.cpp:375
#31 0xb6a836a8 in QApplication::x11ProcessEvent (this=0x9ed40f0, event=0xbffaaffc) at kernel/qapplication_x11.cpp:3273
#32 0xb6aafc6a in x11EventSourceDispatch (s=0x9ecad78, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb65a0b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb65a40eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb65a4268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7fa9438 in QEventDispatcherGlib::processEvents (this=0x9e83778, flags={i = -1074089544}) at kernel/qeventdispatcher_glib.cpp:323
#37 0xb6aaf365 in QGuiEventDispatcherGlib::processEvents (this=0x9e83778, flags={i = -1074089496}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7f7c06a in QEventLoop::processEvents (this=0xbffab260, flags={i = -1074089432}) at kernel/qeventloop.cpp:149
#39 0xb7f7c4aa in QEventLoop::exec (this=0xbffab260, flags={i = -1074089368}) at kernel/qeventloop.cpp:200
#40 0xb7f7e959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0xb6a0dd17 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0xb4bb9510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804e1c0 in launch (argc=1, _name=0x9eacedc "/usr/bin/plasma-desktop", args=0x9eacef4 "", cwd=0x0, envc=0, envs=0x9eacef8 "", 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=0xbffaba54, envp=0xbffaba60) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi