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 i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3819)]

Thread 2 (Thread 0xa8f17b90 (LWP 3822)):
#0  0xb805d430 in __kernel_vsyscall ()
#1  0xb65510e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb67312ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e595b2 in QWaitCondition::wait (this=0x8970ea8, mutex=0x8970ea4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb779dae2 in QHostInfoAgent::run (this=0x8970e98) at kernel/qhostinfo.cpp:260
#5  0xb7e5856e in QThreadPrivate::start (arg=0x8970e98) at thread/qthread_unix.cpp:189
#6  0xb654d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb672249e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb605ba10 (LWP 3819)):
[KCrash Handler]
#6  0xa962332a in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xa962131b in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xa9628f27 in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xa9629e5b in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xb7f62a58 in QMetaObject::activate (sender=0x9f8aa50, from_signal_index=22, to_signal_index=22, argv=0xbf8765ac) at kernel/qobject.cpp:3120
#11 0xb7f636e2 in QMetaObject::activate (sender=0x9f8aa50, m=0xa964bb74, local_signal_index=1, argv=0xbf8765ac) at kernel/qobject.cpp:3194
#12 0xa963cd83 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xa963d7ab in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xa9623ba5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0xa962646a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7f62a58 in QMetaObject::activate (sender=0x863fef0, from_signal_index=5, to_signal_index=5, argv=0xbf87673c) at kernel/qobject.cpp:3120
#17 0xb7f636e2 in QMetaObject::activate (sender=0x863fef0, m=0xa964bd3c, local_signal_index=1, argv=0xbf87673c) at kernel/qobject.cpp:3194
#18 0xa9640823 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa96420cf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa9643fec in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7f62a58 in QMetaObject::activate (sender=0x849d6d0, from_signal_index=6, to_signal_index=6, argv=0xbf8768ac) at kernel/qobject.cpp:3120
#22 0xb7f636e2 in QMetaObject::activate (sender=0x849d6d0, m=0xb76d526c, local_signal_index=2, argv=0xbf8768ac) at kernel/qobject.cpp:3194
#23 0xb766d853 in KWindowSystem::windowRemoved (this=0x849d6d0, _t1=27302993) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb76700d6 in KWindowSystemPrivate::removeClient (this=0x83b8df8, w=27302993) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb767f7c2 in NETRootInfo::update (this=0x83b8e0c, dirty_props=0xbf8769f4) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2131
#26 0xb767fb3f in NETRootInfo::event (this=0x83b8e0c, event=0xbf87815c, properties=0xbf876ad8, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb767036d in KWindowSystemPrivate::x11Event (this=0x83b8df8, ev=0xbf8780fc) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb75206f9 in KApplication::x11EventFilter (this=0x82d3608, _event=0xbf8780fc) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb4bcfe37 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb6a4ac5e in qt_x11EventFilter (ev=0xbf8780fc) at kernel/qapplication_x11.cpp:375
#31 0xb6a5d4ee in QApplication::x11ProcessEvent (this=0x82d3608, event=0xbf8780fc) at kernel/qapplication_x11.cpp:3287
#32 0xb6a8a06a in x11EventSourceDispatch (s=0x82dc270, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb659ab88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb659e0eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb659e268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7f781d8 in QEventDispatcherGlib::processEvents (this=0x82d6cc0, flags={i = -1081638216}) at kernel/qeventdispatcher_glib.cpp:324
#37 0xb6a89765 in QGuiEventDispatcherGlib::processEvents (this=0x82d6cc0, flags={i = -1081638168}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7f4adda in QEventLoop::processEvents (this=0xbf878360, flags={i = -1081638104}) at kernel/qeventloop.cpp:149
#39 0xb7f4b21a in QEventLoop::exec (this=0xbf878360, flags={i = -1081638040}) at kernel/qeventloop.cpp:200
#40 0xb7f4d6c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0xb69e7a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#42 0xb4bba510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804e1c0 in launch (argc=1, _name=0x82c079c "/usr/bin/plasma-desktop", args=0x82c07b4 "", cwd=0x0, envc=0, envs=0x82c07b8 "", 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=0xbf878b54, envp=0xbf878b60) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 198627

Reported using DrKonqi