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 4011)]

Thread 3 (Thread 0xa8440b90 (LWP 4012)):
#0  0xb7f53430 in __kernel_vsyscall ()
#1  0xb641f0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65ff2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d529b2 in QWaitCondition::wait (this=0xa151378, mutex=0xa151374, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb768e152 in QHostInfoAgent::run (this=0xa151368) at kernel/qhostinfo.cpp:260
#5  0xb7d5196e in QThreadPrivate::start (arg=0xa151368) at thread/qthread_unix.cpp:189
#6  0xb641b4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65f049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa382bb90 (LWP 4015)):
#0  0xb7f53430 in __kernel_vsyscall ()
#1  0xb641f412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65ff344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d51359 in thread_sleep (ti=0xa382b2b0) at thread/qthread_unix.cpp:298
#4  0xb7d5148b in QThread::msleep (msecs=<value optimized out>) at thread/qthread_unix.cpp:324
#5  0xa84e8028 in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb7d5196e in QThreadPrivate::start (arg=0xa21d4e8) at thread/qthread_unix.cpp:189
#7  0xb641b4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb65f049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f29a10 (LWP 4011)):
[KCrash Handler]
#6  0xa869932a in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xa869731b in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xa869ef27 in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xa869fe5b in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xb7e5bca8 in QMetaObject::activate (sender=0xab610e0, from_signal_index=22, to_signal_index=22, argv=0xbfb6eb3c) at kernel/qobject.cpp:3069
#11 0xb7e5c932 in QMetaObject::activate (sender=0xab610e0, m=0xa86c1b74, local_signal_index=1, argv=0xbfb6eb3c) at kernel/qobject.cpp:3143
#12 0xa86b2d83 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xa86b37ab in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xa8699ba5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0xa869c46a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7e5bca8 in QMetaObject::activate (sender=0xa0b34c8, from_signal_index=5, to_signal_index=5, argv=0xbfb6eccc) at kernel/qobject.cpp:3069
#17 0xb7e5c932 in QMetaObject::activate (sender=0xa0b34c8, m=0xa86c1d3c, local_signal_index=1, argv=0xbfb6eccc) at kernel/qobject.cpp:3143
#18 0xa86b6823 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa86b80cf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa86b9fec in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7e5bca8 in QMetaObject::activate (sender=0x9e8cac0, from_signal_index=6, to_signal_index=6, argv=0xbfb6ee3c) at kernel/qobject.cpp:3069
#22 0xb7e5c932 in QMetaObject::activate (sender=0x9e8cac0, m=0xb75c426c, local_signal_index=2, argv=0xbfb6ee3c) at kernel/qobject.cpp:3143
#23 0xb755c853 in KWindowSystem::windowRemoved (this=0x9e8cac0, _t1=54527808) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb755f0d6 in KWindowSystemPrivate::removeClient (this=0x9d82b90, w=54527808) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb756e7c2 in NETRootInfo::update (this=0x9d82ba4, dirty_props=0xbfb6ef84) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2131
#26 0xb756eb3f in NETRootInfo::event (this=0x9d82ba4, event=0xbfb6f69c, properties=0xbfb6f068, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb755f36d in KWindowSystemPrivate::x11Event (this=0x9d82b90, ev=0xbfb6f63c) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb740f6f9 in KApplication::x11EventFilter (this=0x9cddc40, _event=0xbfb6f63c) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb3b39e37 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb6938f3e in qt_x11EventFilter (ev=0xbfb6f63c) at kernel/qapplication_x11.cpp:375
#31 0xb694b6a8 in QApplication::x11ProcessEvent (this=0x9cddc40, event=0xbfb6f63c) at kernel/qapplication_x11.cpp:3273
#32 0xb6977c6a in x11EventSourceDispatch (s=0x9ce67b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb6468b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb646c0eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb646c268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7e71438 in QEventDispatcherGlib::processEvents (this=0x9ce1318, flags={i = -1078528008}) at kernel/qeventdispatcher_glib.cpp:323
#37 0xb6977365 in QGuiEventDispatcherGlib::processEvents (this=0x9ce1318, flags={i = -1078527960}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7e4406a in QEventLoop::processEvents (this=0xbfb6f8a0, flags={i = -1078527896}) at kernel/qeventloop.cpp:149
#39 0xb7e444aa in QEventLoop::exec (this=0xbfb6f8a0, flags={i = -1078527832}) at kernel/qeventloop.cpp:200
#40 0xb7e46959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0xb68d5d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0xb3b24510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804e1c0 in launch (argc=1, _name=0x9ccaa0c "/usr/bin/plasma-desktop", args=0x9ccaa24 "", cwd=0x0, envc=0, envs=0x9ccaa28 "", 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=0xbfb70094, envp=0xbfb700a0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi