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

What I was doing when the application crashed:
while using digkikam 0.10 the plasma-desktop crashed and restarted

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4269)]

Thread 2 (Thread 0xac846b90 (LWP 4272)):
#0  0xb805c430 in __kernel_vsyscall ()
#1  0x41d320e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x4962b012 in QWaitCondition::wait (this=<value optimized out>, mutex=<value optimized out>, time=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#3  0x498ddd32 in QHostInfoAgent::run (this=<value optimized out>) at kernel/qhostinfo.cpp:260
#4  0x49629fce in QThreadPrivate::start (arg=<value optimized out>) at thread/qthread_unix.cpp:189
#5  0x41d2e4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0x41c7949e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb8032a10 (LWP 4269)):
[KCrash Handler]
#6  TaskManager::GroupManager::manualSortingRequest (this=<value optimized out>, taskItem=) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#7  0xacb264bb in TaskManager::AbstractGroupingStrategy::closeGroup (this=<value optimized out>, group=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#8  0xacb2e0c7 in TaskManager::ProgramGroupingStrategy::checkGroup (this=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#9  0xacb2effb in TaskManager::ProgramGroupingStrategy::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/programgroupingstrategy.moc:68
#10 0x49734308 in QMetaObject::activate (sender=<value optimized out>, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=<value optimized out>)
    at kernel/qobject.cpp:3069
#11 0x49734f92 in QMetaObject::activate (sender=<value optimized out>, m=<value optimized out>, local_signal_index=<value optimized out>, argv=) at kernel/qobject.cpp:3143
#12 0xacb41f23 in TaskManager::TaskGroup::itemRemoved (this=) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:146
#13 0xacb4294b in TaskManager::TaskGroup::remove (this=<value optimized out>, item=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#14 0xacb28d45 in TaskManager::GroupManagerPrivate::removeTask (this=<value optimized out>, task=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#15 0xacb2b60a in TaskManager::GroupManager::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:105
#16 0x49734308 in QMetaObject::activate (sender=<value optimized out>, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=<value optimized out>)
    at kernel/qobject.cpp:3069
#17 0x49734f92 in QMetaObject::activate (sender=<value optimized out>, m=<value optimized out>, local_signal_index=<value optimized out>, argv=) at kernel/qobject.cpp:3143
#18 0xacb459c3 in TaskManager::TaskManager::taskRemoved (this=) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:162
#19 0xacb4726f in TaskManager::TaskManager::windowRemoved (this=<value optimized out>, w=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:279
#20 0xacb4918c in TaskManager::TaskManager::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:110
#21 0x49734308 in QMetaObject::activate (sender=<value optimized out>, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=<value optimized out>)
    at kernel/qobject.cpp:3069
#22 0x49734f92 in QMetaObject::activate (sender=<value optimized out>, m=<value optimized out>, local_signal_index=<value optimized out>, argv=) at kernel/qobject.cpp:3143
#23 0x46bcd173 in KWindowSystem::windowRemoved (this=) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0x46bcf9f6 in KWindowSystemPrivate::removeClient (this=<value optimized out>, w=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0x46bdf073 in NETRootInfo::update (this=<value optimized out>, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0x46bdf45f in NETRootInfo::event (this=<value optimized out>, event=<value optimized out>, properties=<value optimized out>, properties_size=<value optimized out>)
    at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0x46bcfc8d in KWindowSystemPrivate::x11Event (this=<value optimized out>, ev=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0x46a80019 in KApplication::x11EventFilter (this=) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0x47046ef7 in PlasmaApp::x11EventFilter (this=<value optimized out>, event=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#30 0x42593c1e in qt_x11EventFilter (ev=<value optimized out>) at kernel/qapplication_x11.cpp:375
#31 0x425a6388 in QApplication::x11ProcessEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:3273
#32 0x425d294a in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x41ee2b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x41ee60eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x41ee6268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x49749a98 in QEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#37 0x425d2045 in QGuiEventDispatcherGlib::processEvents (this=) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x4971c6ca in QEventLoop::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:149
#39 0x4971cb0a in QEventLoop::exec (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:200
#40 0x4971efb9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0x425309f7 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0x470315d0 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#43 0x0804e1c0 in launch (argc=1, _name=0x9a2eacc "/usr/bin/plasma-desktop", args=0x9a2eae4 "", cwd=0x0, envc=0, envs=0x9a2eae8 "", 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=0xbff5a7b4, envp=0xbff5a7c0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 199741

Reported using DrKonqi