Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.85 (KDE 4.2.85 (KDE 4.3 Beta1))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-7-generic i686
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
By running a program like firefox or googleearth in fullscreen-mode plasma crashes.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 4247)]

Thread 2 (Thread 0x6563b90 (LWP 4248)):
#0  0x00692422 in __kernel_vsyscall ()
#1  0x009020e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x003b255d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0420c167 in QWaitCondition::wait (this=0xa5afa70, mutex=0xa5afa6c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0x00aee23a in QHostInfoAgent::run (this=0xa5afa60) at kernel/qhostinfo.cpp:260
#5  0x0420b0fe in QThreadPrivate::start (arg=0xa5afa60) at thread/qthread_unix.cpp:189
#6  0x008fe4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x003a370e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb8058950 (LWP 4247)):
[KCrash Handler]
#6  0x02214be4 in TaskManager::AbstractGroupingStrategy::closeGroup (this=0xa44e5d8, group=0xaf299c8) at ../../../libs/taskmanager/abstractgroupingstrategy.cpp:140
#7  0x0221c25c in TaskManager::ProgramGroupingStrategy::checkGroup (this=0xa44e5d8) at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:196
#8  0x0221ce75 in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0xa44e5d8, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfadf518) at ./programgroupingstrategy.moc:68
#9  0x04313d78 in QMetaObject::activate (sender=0xaf299c8, from_signal_index=22, to_signal_index=22, argv=0xbfadf518) at kernel/qobject.cpp:3120
#10 0x04314a12 in QMetaObject::activate (sender=0xaf299c8, m=0x2244bf4, local_signal_index=1, argv=0xbfadf518) at kernel/qobject.cpp:3194
#11 0x0222ff03 in TaskManager::TaskGroup::itemRemoved (this=0xaf299c8, _t1=0xae3ac28) at ./taskgroup.moc:143
#12 0x02230365 in TaskManager::TaskGroup::remove (this=0xaf299c8, item=0xae3ac28) at ../../../libs/taskmanager/taskgroup.cpp:174
#13 0x02217f8d in TaskManager::GroupManagerPrivate::removeTask (this=0xa354360, task={d = 0xae8ed98}) at ../../../libs/taskmanager/groupmanager.cpp:289
#14 0x02219b83 in TaskManager::GroupManager::qt_metacall (this=0xa33c6c0, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfadf6c8) at ./groupmanager.moc:99
#15 0x04313d78 in QMetaObject::activate (sender=0xa33eed8, from_signal_index=5, to_signal_index=5, argv=0xbfadf6c8) at kernel/qobject.cpp:3120
#16 0x04314a12 in QMetaObject::activate (sender=0xa33eed8, m=0x2244dbc, local_signal_index=1, argv=0xbfadf6c8) at kernel/qobject.cpp:3194
#17 0x02233693 in TaskManager::TaskManager::taskRemoved (this=0xa33eed8, _t1={d = 0xae8ed98}) at ./taskmanager.moc:159
#18 0x022352d6 in TaskManager::TaskManager::windowRemoved (this=0xa33eed8, w=44051970) at ../../../libs/taskmanager/taskmanager.cpp:266
#19 0x02235e0a in TaskManager::TaskManager::windowChanged (this=0xa33eed8, w=44051970, dirty=524288) at ../../../libs/taskmanager/taskmanager.cpp:289
#20 0x02236c10 in TaskManager::TaskManager::qt_metacall (this=0xa33eed8, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfadf8e4) at ./taskmanager.moc:109
#21 0x04313d78 in QMetaObject::activate (sender=0xa2a6098, from_signal_index=14, to_signal_index=14, argv=0xbfadf8e4) at kernel/qobject.cpp:3120
#22 0x04314a12 in QMetaObject::activate (sender=0xa2a6098, m=0x132a28c, local_signal_index=10, argv=0xbfadf8e4) at kernel/qobject.cpp:3194
#23 0x01277389 in KWindowSystem::windowChanged (this=0xa2a6098, _t1=44051970, _t2=524288) at ./kwindowsystem.moc:179
#24 0x0127a9b5 in KWindowSystemPrivate::x11Event (this=0xa1082c8, ev=0xbfae0f4c) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:181
#25 0x01124856 in KApplication::x11EventFilter (this=0xa0054d0, _event=0xbfae0f4c) at ../../kdeui/kernel/kapplication.cpp:946
#26 0x0061cc3a in PlasmaApp::x11EventFilter (this=0xa0054d0, event=0xbfae0f4c) at ../../../../plasma/shells/desktop/plasmaapp.cpp:438
#27 0x0162a670 in qt_x11EventFilter (ev=0xbfae0f4c) at kernel/qapplication_x11.cpp:375
#28 0x0163bde0 in QApplication::x11ProcessEvent (this=0xa0054d0, event=0xbfae0f4c) at kernel/qapplication_x11.cpp:3287
#29 0x0166a292 in x11EventSourceDispatch (s=0xa012900, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x08170ad8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x08174070 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x081741a3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x04328f9c in QEventDispatcherGlib::processEvents (this=0xa00e008, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:324
#34 0x01669975 in QGuiEventDispatcherGlib::processEvents (this=0xa00e008, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#35 0x042fc0a9 in QEventLoop::processEvents (this=0xbfae1244, flags=) at kernel/qeventloop.cpp:149
#36 0x042fc4f2 in QEventLoop::exec (this=0xbfae1244, flags={i = 0}) at kernel/qeventloop.cpp:200
#37 0x042fe87f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#38 0x015c7a97 in QApplication::exec () at kernel/qapplication.cpp:3526
#39 0x0060794d in kdemain (argc=1, argv=0xbfae1404) at ../../../../plasma/shells/desktop/main.cpp:50
#40 0x080485cb in main (argc=1, argv=0xbfae1404) at plasma-desktop_dummy.cpp:3