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 5311)]

Thread 2 (Thread 0xa8c75b90 (LWP 5314)):
#0  0xb7fc6430 in __kernel_vsyscall ()
#1  0xb647f0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb665f2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7db29b2 in QWaitCondition::wait (this=0x8c55ad8, mutex=0x8c55ad4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb76ee152 in QHostInfoAgent::run (this=0x8c55ac8) at kernel/qhostinfo.cpp:260
#5  0xb7db196e in QThreadPrivate::start (arg=0x8c55ac8) at thread/qthread_unix.cpp:189
#6  0xb647b4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb665049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f89a10 (LWP 5311)):
[KCrash Handler]
#6  TaskManager::GroupManager::manualSortingRequest (this=0x0, taskItem=0x8680288, newIndex=1) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#7  0xa947731b in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x88df118, group=0xbaa3050) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#8  0xa947ef27 in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x88df118) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#9  0xa947fe5b in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x88df118, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfbe114c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#10 0xb7ebbca8 in QMetaObject::activate (sender=0xbaa3050, from_signal_index=22, to_signal_index=22, argv=0xbfbe114c) at kernel/qobject.cpp:3069
#11 0xb7ebc932 in QMetaObject::activate (sender=0xbaa3050, m=0xa94a1b74, local_signal_index=1, argv=0xbfbe114c) at kernel/qobject.cpp:3143
#12 0xa9492d83 in TaskManager::TaskGroup::itemRemoved (this=0xbaa3050, _t1=0xba58318) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:146
#13 0xa94937ab in TaskManager::TaskGroup::remove (this=0xbaa3050, item=0xba58318) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#14 0xa9479ba5 in TaskManager::GroupManagerPrivate::removeTask (this=0x8be07f0, task={d = 0xbfbe11fc}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#15 0xa947c46a in TaskManager::GroupManager::qt_metacall (this=0x8bf7088, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbfbe12dc)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:105
#16 0xb7ebbca8 in QMetaObject::activate (sender=0x8be08c0, from_signal_index=5, to_signal_index=5, argv=0xbfbe12dc) at kernel/qobject.cpp:3069
#17 0xb7ebc932 in QMetaObject::activate (sender=0x8be08c0, m=0xa94a1d3c, local_signal_index=1, argv=0xbfbe12dc) at kernel/qobject.cpp:3143
#18 0xa9496823 in TaskManager::TaskManager::taskRemoved (this=0x8be08c0, _t1={d = 0xbfbe1324}) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:162
#19 0xa94980cf in TaskManager::TaskManager::windowRemoved (this=0x8be08c0, w=75497603) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:279
#20 0xa9499fec in TaskManager::TaskManager::qt_metacall (this=0x8be08c0, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfbe144c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:110
#21 0xb7ebbca8 in QMetaObject::activate (sender=0x87de6b8, from_signal_index=6, to_signal_index=6, argv=0xbfbe144c) at kernel/qobject.cpp:3069
#22 0xb7ebc932 in QMetaObject::activate (sender=0x87de6b8, m=0xb762426c, local_signal_index=2, argv=0xbfbe144c) at kernel/qobject.cpp:3143
#23 0xb75bc853 in KWindowSystem::windowRemoved (this=0x87de6b8, _t1=75497603) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb75bf0d6 in KWindowSystemPrivate::removeClient (this=0x86e3b38, w=75497603) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb75ce7c2 in NETRootInfo::update (this=0x86e3b4c, dirty_props=0xbfbe1594) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2131
#26 0xb75ceb3f in NETRootInfo::event (this=0x86e3b4c, event=0xbfbe1cac, properties=0xbfbe1678, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb75bf36d in KWindowSystemPrivate::x11Event (this=0x86e3b38, ev=0xbfbe1c4c) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb746f6f9 in KApplication::x11EventFilter (this=0x85be9f0, _event=0xbfbe1c4c) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb4af6e37 in PlasmaApp::x11EventFilter (this=0x85be9f0, event=0xbfbe1c4c) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#30 0xb6998f3e in qt_x11EventFilter (ev=0xbfbe1c4c) at kernel/qapplication_x11.cpp:375
#31 0xb69ab6a8 in QApplication::x11ProcessEvent (this=0x85be9f0, event=0xbfbe1c4c) at kernel/qapplication_x11.cpp:3273
#32 0xb69d7c6a in x11EventSourceDispatch (s=0x85c9e68, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb64c8b88 in IA__g_main_context_dispatch (context=0x85c9a60) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#34 0xb64cc0eb in g_main_context_iterate (context=0x85c9a60, block=1, dispatch=1, self=0x85c1670) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#35 0xb64cc268 in IA__g_main_context_iteration (context=0x85c9a60, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#36 0xb7ed1438 in QEventDispatcherGlib::processEvents (this=0x85c4080, flags={i = -1078059512}) at kernel/qeventdispatcher_glib.cpp:323
#37 0xb69d7365 in QGuiEventDispatcherGlib::processEvents (this=0x85c4080, flags={i = -1078059464}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7ea406a in QEventLoop::processEvents (this=0xbfbe1eb0, flags={i = -1078059400}) at kernel/qeventloop.cpp:149
#39 0xb7ea44aa in QEventLoop::exec (this=0xbfbe1eb0, flags={i = -1078059336}) at kernel/qeventloop.cpp:200
#40 0xb7ea6959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0xb6935d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0xb4ae1510 in kdemain (argc=1, argv=0x857bc30) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#43 0x0804e1c0 in launch (argc=1, _name=0x8592bd4 "/usr/bin/plasma-desktop", args=0x8592bec "", cwd=0x0, envc=0, envs=0x8592bf0 "", 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=0xbfbe26a4, envp=0xbfbe26b0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi