Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4983)]

Thread 4 (Thread 0x7f2430e13950 (LWP 4988)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f245317dd19 in QWaitCondition::wait (this=0x2ba70e0, mutex=0x2ba70d8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f245200781c in QHostInfoAgent::run (this=0x2ba70c0) at kernel/qhostinfo.cpp:260
#3  0x00007f245317cd35 in QThreadPrivate::start (arg=0x2ba70c0) at thread/qthread_unix.cpp:188
#4  0x00007f244f0763ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f244fc5afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f241c5bd950 (LWP 6290)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f241b000f91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f244f0763ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#3  0x00007f244fc5afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f24116d6950 (LWP 6299)):
#0  0x00007f244fc51496 in *__GI___poll (fds=0x4c75810, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f244f2c877f in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f244f2c8a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f245328faae in QEventDispatcherGlib::processEvents (this=0x43c5eb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:329
#4  0x00007f2453264f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 292380624}) at kernel/qeventloop.cpp:149
#5  0x00007f2453265314 in QEventLoop::exec (this=0x7f24116d6010, flags={i = 292380704}) at kernel/qeventloop.cpp:201
#6  0x00007f2453179dc8 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f241b25c62c in ?? () from /usr/lib/kde4/plugins/phonon_backend/phonon_xine.so
#8  0x00007f245317cd35 in QThreadPrivate::start (arg=0x43d9950) at thread/qthread_unix.cpp:188
#9  0x00007f244f0763ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#10 0x00007f244fc5afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2453742750 (LWP 4983)):
[KCrash Handler]
#5  AbstractTaskItem::basicPreferredSize (this=0x42b7ac0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/tasks.h:92
#6  0x00007f2435e97256 in TaskItemLayout::preferredColumns (this=0x29402d0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:206
#7  0x00007f2435e97bac in TaskItemLayout::gridLayoutSize (this=0x29402d0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:222
#8  0x00007f2435e97c3b in TaskItemLayout::layoutItems (this=0x0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:245
#9  0x00007f2435e985f9 in TaskItemLayout::remove (this=0x29402d0, item=0x42d2b60) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:136
#10 0x00007f2435e9869e in TaskItemLayout::removeTaskItem (this=0x0, item=0x7f244fcb1528) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:93
#11 0x00007f2435ea3679 in TaskGroupItem::itemRemoved (this=0x293f960, groupableItem=0x3bd00d0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskgroupitem.cpp:521
#12 0x00007f2435ea4a41 in TaskGroupItem::qt_metacall (this=0x293f960, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5b777d90)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:114
#13 0x00007f245327bea2 in QMetaObject::activate (sender=0x294fd00, from_signal_index=<value optimized out>, to_signal_index=22, argv=0x0) at kernel/qobject.cpp:3113
#14 0x00007f2435c69c82 in TaskManager::TaskGroup::itemRemoved (this=0x0, _t1=0x3bd00d0) at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:146
#15 0x00007f2435c6a5a1 in TaskManager::TaskGroup::remove (this=0x294fd00, item=0x3bd00d0) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskgroup.cpp:182
#16 0x00007f2435c53aa4 in TaskManager::GroupManagerPrivate::removeTask (this=0x26a9400, task={d = 0x7fff5b777e70}) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/groupmanager.cpp:311
#17 0x00007f2435c5530d in TaskManager::GroupManager::qt_metacall (this=0x26a9710, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff5b777fb0)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:105
#18 0x00007f245327bea2 in QMetaObject::activate (sender=0x264e1d0, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x0) at kernel/qobject.cpp:3113
#19 0x00007f2435c6d125 in TaskManager::TaskManager::taskRemoved (this=0x0, _t1=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:162
#20 0x00007f2435c6e75e in TaskManager::TaskManager::windowRemoved (this=0x264e1d0, w=16777245) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskmanager.cpp:279
#21 0x00007f2435c704af in TaskManager::TaskManager::qt_metacall (this=0x264e1d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5b7781d0)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:110
#22 0x00007f245327bea2 in QMetaObject::activate (sender=0x261b450, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3113
#23 0x00007f2451a717e2 in KWindowSystem::windowRemoved (this=0x0, _t1=16777245) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0x00007f2451a73d2b in KWindowSystemPrivate::removeClient (this=0x249ccf0, w=16777245) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0x00007f2451a82507 in NETRootInfo::update (this=0x249cd18, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2183
#26 0x00007f2451a8324b in NETRootInfo::event (this=0x249cd18, event=<value optimized out>, properties=0x7fff5b7784e0, properties_size=5)
    at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2058
#27 0x00007f2451a73ffb in KWindowSystemPrivate::x11Event (this=0x249ccf0, ev=0x7fff5b779f10) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0x00007f2451943b33 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff5b779f10) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:911
#29 0x00007f24471bd707 in PlasmaApp::x11EventFilter (this=0x220cb70, event=0x7fff5b779f10) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/plasmaapp.cpp:490
#30 0x00007f245088e37f in qt_x11EventFilter (ev=0x7fff5b779f10) at kernel/qapplication_x11.cpp:375
#31 0x00007f24508a187e in QApplication::x11ProcessEvent (this=0x220cb70, event=0x7fff5b779f10) at kernel/qapplication_x11.cpp:3271
#32 0x00007f24508cb454 in x11EventSourceDispatch (s=0x224efc0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007f244f2c520a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007f244f2c88e0 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007f244f2c8a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007f245328fa8f in QEventDispatcherGlib::processEvents (this=0x224b4f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#37 0x00007f24508cabdf in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x00007f2453264f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1534566912}) at kernel/qeventloop.cpp:149
#39 0x00007f2453265314 in QEventLoop::exec (this=0x7fff5b77a240, flags={i = 1534566992}) at kernel/qeventloop.cpp:201
#40 0x00007f24532675e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0x00007f24471aa1eb in kdemain (argc=1, argv=0x21fffa0) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#42 0x0000000000407215 in launch (argc=1, _name=0x21f78c8 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x21f78e8 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3a1 "0") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#43 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#44 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#45 0x0000000000408b26 in main (argc=2, argv=0x7fff5b77b0e8, envp=0x7fff5b77b100) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

Reported using DrKonqi