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 2.6.29-02062905-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma crashed, I had opened Kopete, nm-applet in tray, Kontact, skype in tray.... don't know why it did at all.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 10015)]

Thread 2 (Thread 0x7f0d298e0950 (LWP 10016)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f0d4c162939 in QWaitCondition::wait (this=0x2a9cc50, mutex=0x2a9cc48, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f0d4afdf4cc in QHostInfoAgent::run (this=0x2a9cc30) at kernel/qhostinfo.cpp:260
#3  0x00007f0d4c161952 in QThreadPrivate::start (arg=0x2a9cc30) at thread/qthread_unix.cpp:189
#4  0x00007f0d47fe33ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f0d48bc7fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0d4c725750 (LWP 10015)):
[KCrash Handler]
#5  TaskManager::GroupManager::manualSortingRequest (this=0x0, taskItem=0x2e87b20, newIndex=0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#6  0x00007f0d2f082b3a in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x3c9d610, group=0x33e1c10)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#7  0x00007f0d2f089da8 in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x3c9d610) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#8  0x00007f0d2f08ac2d in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x3c9d610, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#9  0x00007f0d4c2601f2 in QMetaObject::activate (sender=0x33e1c10, from_signal_index=<value optimized out>, to_signal_index=22, argv=0x1) at kernel/qobject.cpp:3069
#10 0x00007f0d2f09ba92 in TaskManager::TaskGroup::itemRemoved (this=0x0, _t1=0x31bc0a0) at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:146
#11 0x00007f0d2f09c3b1 in TaskManager::TaskGroup::remove (this=0x33e1c10, item=0x31bc0a0) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#12 0x00007f0d2f084ed1 in TaskManager::GroupManagerPrivate::removeTask (this=0x2993d70, task={d = 0x7fffb57ce9f0}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#13 0x00007f0d2f08751d in TaskManager::GroupManager::qt_metacall (this=0x297fc00, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fffb57ceb30)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:105
#14 0x00007f0d4c2601f2 in QMetaObject::activate (sender=0x2993f50, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x1) at kernel/qobject.cpp:3069
#15 0x00007f0d2f09ef35 in TaskManager::TaskManager::taskRemoved (this=0x0, _t1=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:162
#16 0x00007f0d2f0a056e in TaskManager::TaskManager::windowRemoved (this=0x2993f50, w=73421468) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:279
#17 0x00007f0d2f0a22bf in TaskManager::TaskManager::qt_metacall (this=0x2993f50, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffb57ced50)
    at /build/buildd/kdebase-workspace-4.2.95/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:110
#18 0x00007f0d4c2601f2 in QMetaObject::activate (sender=0x20f8e30, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x1) at kernel/qobject.cpp:3069
#19 0x00007f0d4aa44ab2 in KWindowSystem::windowRemoved (this=0x0, _t1=73421468) at /build/buildd/kde4libs-4.2.95/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:127
#20 0x00007f0d4aa46ffb in KWindowSystemPrivate::removeClient (this=0x20f9030, w=73421468) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#21 0x00007f0d4aa56030 in NETRootInfo::update (this=0x20f9058, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2131
#22 0x00007f0d4aa5636b in NETRootInfo::event (this=0x20f9058, event=<value optimized out>, properties=0x7fffb57cf040, properties_size=5)
    at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#23 0x00007f0d4aa472cb in KWindowSystemPrivate::x11Event (this=0x20f9030, ev=0x7fffb57cfa30) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#24 0x00007f0d4a916a43 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fffb57cfa30) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#25 0x00007f0d400fcb57 in PlasmaApp::x11EventFilter (this=0x1dafdc0, event=0x7fffb57cfa30) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#26 0x00007f0d49830b1f in qt_x11EventFilter (ev=0x7fffb57cfa30) at kernel/qapplication_x11.cpp:375
#27 0x00007f0d49843faf in QApplication::x11ProcessEvent (this=0x1dafdc0, event=0x7fffb57cfa30) at kernel/qapplication_x11.cpp:3273
#28 0x00007f0d4986d464 in x11EventSourceDispatch (s=0x1df4ec0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f0d4823220a in IA__g_main_context_dispatch (context=0x1df3d30) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#30 0x00007f0d482358e0 in g_main_context_iterate (context=0x1df3d30, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#31 0x00007f0d48235a7c in IA__g_main_context_iteration (context=0x1df3d30, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#32 0x00007f0d4c273e6f in QEventDispatcherGlib::processEvents (this=0x1df0830, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#33 0x00007f0d4986cbef in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f0d4c249002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1250099936}) at kernel/qeventloop.cpp:149
#35 0x00007f0d4c2493cd in QEventLoop::exec (this=0x7fffb57cfd60, flags={i = -1250099856}) at kernel/qeventloop.cpp:200
#36 0x00007f0d4c24b694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#37 0x00007f0d400e963b in kdemain (argc=1, argv=0x1d5baa0) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#38 0x000000000040714e in launch (argc=1, _name=0x1dbd578 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1dbd598 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a309 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#39 0x0000000000407978 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#40 0x0000000000407f25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#41 0x0000000000408a66 in main (argc=2, argv=0x7fffb57d0bf8, envp=0x7fffb57d0c10) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi