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

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 0 (LWP 4057)]

Thread 2 (Thread 0xa7ff9b90 (LWP 4059)):
#0  0xb7f6f430 in __kernel_vsyscall ()
#1  0xb64610e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66412ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d695b2 in QWaitCondition::wait (this=0x9706b30, mutex=0x9706b2c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb76adae2 in QHostInfoAgent::run (this=0x9706b20) at kernel/qhostinfo.cpp:260
#5  0xb7d6856e in QThreadPrivate::start (arg=0x9706b20) at thread/qthread_unix.cpp:189
#6  0xb645d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb663249e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f6ba10 (LWP 4057)):
[KCrash Handler]
#6  0xa83c207e in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#7  0xa83c9a47 in ?? () from /usr/lib/libtaskmanager.so.4
#8  0xa83ca6eb in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xb7e72a58 in QMetaObject::activate (sender=0x9769270, from_signal_index=22, to_signal_index=22, argv=0xbf988efc) at kernel/qobject.cpp:3120
#10 0xb7e736e2 in QMetaObject::activate (sender=0x9769270, m=0xa83ebb74, local_signal_index=1, argv=0xbf988efc) at kernel/qobject.cpp:3194
#11 0xa83dd7f3 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#12 0xa83dde40 in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#13 0xa83c4cd5 in ?? () from /usr/lib/libtaskmanager.so.4
#14 0xa83c6e2a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#15 0xb7e72a58 in QMetaObject::activate (sender=0x968d448, from_signal_index=5, to_signal_index=5, argv=0xbf98907c) at kernel/qobject.cpp:3120
#16 0xb7e736e2 in QMetaObject::activate (sender=0x968d448, m=0xa83ebd3c, local_signal_index=1, argv=0xbf98907c) at kernel/qobject.cpp:3194
#17 0xa83e1003 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#18 0xa83e2767 in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa83e4814 in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#20 0xb7e72a58 in QMetaObject::activate (sender=0x925ca88, from_signal_index=6, to_signal_index=6, argv=0xbf9891ec) at kernel/qobject.cpp:3120
#21 0xb7e736e2 in QMetaObject::activate (sender=0x925ca88, m=0xb75e526c, local_signal_index=2, argv=0xbf9891ec) at kernel/qobject.cpp:3194
#22 0xb757d243 in KWindowSystem::windowRemoved (this=0x925ca88, _t1=48240678) at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#23 0xb757fac6 in KWindowSystemPrivate::removeClient (this=0x91f5968, w=48240678) at /build/buildd/kde4libs-4.2.90/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#24 0xb758f133 in NETRootInfo::update (this=0x91f597c, dirty_props=0xbf989334) at /build/buildd/kde4libs-4.2.90/kdeui/windowmanagement/netwm.cpp:2130
#25 0xb758f51f in NETRootInfo::event (this=0x91f597c, event=0xbf98aa9c, properties=0xbf989418, properties_size=5) at /build/buildd/kde4libs-4.2.90/kdeui/windowmanagement/netwm.cpp:2053
#26 0xb757fd5d in KWindowSystemPrivate::x11Event (this=0x91f5968, ev=0xbf98aa3c) at /build/buildd/kde4libs-4.2.90/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#27 0xb74301a9 in KApplication::x11EventFilter (this=0x908fcd8, _event=0xbf98aa3c) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:911
#28 0xb3b83c97 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#29 0xb695ac5e in qt_x11EventFilter (ev=0xbf98aa3c) at kernel/qapplication_x11.cpp:375
#30 0xb696d4ee in QApplication::x11ProcessEvent (this=0x908fcd8, event=0xbf98aa3c) at kernel/qapplication_x11.cpp:3287
#31 0xb699a06a in x11EventSourceDispatch (s=0x90c3670, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0xb64aab88 in IA__g_main_context_dispatch (context=0x90c2a98) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#33 0xb64ae0eb in g_main_context_iterate (context=0x90c2a98, block=1, dispatch=1, self=0x90c03e0) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#34 0xb64ae268 in IA__g_main_context_iteration (context=0x90c2a98, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#35 0xb7e881d8 in QEventDispatcherGlib::processEvents (this=0x90bfe08, flags={i = -1080513544}) at kernel/qeventdispatcher_glib.cpp:324
#36 0xb6999765 in QGuiEventDispatcherGlib::processEvents (this=0x90bfe08, flags={i = -1080513496}) at kernel/qguieventdispatcher_glib.cpp:202
#37 0xb7e5adda in QEventLoop::processEvents (this=0xbf98aca0, flags={i = -1080513432}) at kernel/qeventloop.cpp:149
#38 0xb7e5b21a in QEventLoop::exec (this=0xbf98aca0, flags={i = -1080513368}) at kernel/qeventloop.cpp:200
#39 0xb7e5d6c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0xb68f7a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#41 0xb3b6e820 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#42 0x0804e1c0 in launch (argc=1, _name=0x90a796c "/usr/bin/plasma-desktop", args=0x90a7984 "", cwd=0x0, envc=0, envs=0x90a7988 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d0 "0") at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:671
#43 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1163
#44 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1356
#45 0x0804fb0a in main (argc=2, argv=0xbf98b494, envp=0xbf98b4a0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1783

Reported using DrKonqi