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 2.6.28-14-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma desktop crashes opening Pidgin, & Kmail.

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 2.6.28-14-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
<In detail, tell us what you were doing  when the application crashed.>

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 15212)]

Thread 2 (Thread 0x7f275c1f3950 (LWP 15213)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f277ba7dd19 in QWaitCondition::wait (this=0x267e7e0, mutex=0x267e7d8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f277a90781c in QHostInfoAgent::run (this=0x267e7c0) at kernel/qhostinfo.cpp:260
#3  0x00007f277ba7cd35 in QThreadPrivate::start (arg=0x267e7c0) at thread/qthread_unix.cpp:188
#4  0x00007f27779763ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f277855afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f277c046750 (LWP 15212)):
[KCrash Handler]
#5  0x00007f277971f734 in QGraphicsLayoutItem::geometry (this=0x7f2779b68800) at graphicsview/qgraphicslayoutitem.cpp:664
#6  0x00007f2779723145 in QGraphicsWidget::size (this=<value optimized out>) at graphicsview/qgraphicswidget.cpp:336
#7  0x00007f275c841d1e in AbstractTaskItem::basicPreferredSize (this=0x258d3d0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/abstracttaskitem.cpp:108
#8  0x00007f275c83e256 in TaskItemLayout::preferredColumns (this=0x29dc6e0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:206
#9  0x00007f275c83ebac in TaskItemLayout::gridLayoutSize (this=0x29dc6e0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:222
#10 0x00007f275c83ec3b in TaskItemLayout::layoutItems (this=0x7fff84075000) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:245
#11 0x00007f275c83f7f4 in TaskItemLayout::insert (this=0x29dc6e0, index=4, item=0x2e1fd20) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:125
#12 0x00007f275c83f9d0 in TaskItemLayout::addTaskItem (this=0x29dc6e0, item=0x2e1fd20) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:82
#13 0x00007f275c84b468 in TaskGroupItem::itemAdded (this=0x29dbd60, groupableItem=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskgroupitem.cpp:477
#14 0x00007f275c84ba5c in TaskGroupItem::qt_metacall (this=0x29dbd60, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff84075670)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#15 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x28fc740, from_signal_index=<value optimized out>, to_signal_index=21, argv=0x0) at kernel/qobject.cpp:3113
#16 0x00007f275d123cbf in TaskManager::TaskGroup::itemAdded (this=0x7fff84075000, _t1=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:139
#17 0x00007f275d12481b in TaskManager::TaskGroup::add (this=0x28fc740, item=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskgroup.cpp:138
#18 0x00007f275d10d012 in TaskManager::GroupManagerPrivate::addTask (this=0x28f16b0, task={d = 0x7fff84075790}) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/groupmanager.cpp:290
#19 0x00007f275d10f34d in TaskManager::GroupManager::qt_metacall (this=0x28f03c0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff840758c0)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:103
#20 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x28f0450, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#21 0x00007f275d127152 in TaskManager::TaskManager::taskAdded (this=0x7fff84075000, _t1=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:155
#22 0x00007f275d12912f in TaskManager::TaskManager::windowAdded (this=0x28f0450, w=41943318) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskmanager.cpp:262
#23 0x00007f275d12a32f in TaskManager::TaskManager::qt_metacall (this=0x28f0450, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff84075b50)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:109
#24 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x2279200, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x0) at kernel/qobject.cpp:3113
#25 0x00007f277a371822 in KWindowSystem::windowAdded (this=0x7fff84075000, _t1=41943318) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:120
#26 0x00007f277a373b7c in KWindowSystemPrivate::addClient (this=0x21511a0, w=41943318) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#27 0x00007f277a382557 in NETRootInfo::update (this=0x21511c8, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2186
#28 0x00007f277a38324b in NETRootInfo::event (this=0x21511c8, event=<value optimized out>, properties=0x7fff84075e90, properties_size=5)
    at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2058
#29 0x00007f277a373ffb in KWindowSystemPrivate::x11Event (this=0x21511a0, ev=0x7fff840778c0) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#30 0x00007f277a243b33 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff840778c0) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:911
#31 0x00007f276f9d6707 in PlasmaApp::x11EventFilter (this=0x1ee8730, event=0x7fff840778c0) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/plasmaapp.cpp:490
#32 0x00007f277918e37f in qt_x11EventFilter (ev=0x7fff840778c0) at kernel/qapplication_x11.cpp:375
#33 0x00007f27791a187e in QApplication::x11ProcessEvent (this=0x1ee8730, event=0x7fff840778c0) at kernel/qapplication_x11.cpp:3271
#34 0x00007f27791cb454 in x11EventSourceDispatch (s=0x1f2d060, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007f2777bc520a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0x00007f2777bc88e0 in ?? () from /usr/lib/libglib-2.0.so.0
#37 0x00007f2777bc8a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0x00007f277bb8fa8f in QEventDispatcherGlib::processEvents (this=0x1f28fd0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#39 0x00007f27791cabdf in QGuiEventDispatcherGlib::processEvents (this=0x7fff84075000, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00007f277bb64f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -2079884368}) at kernel/qeventloop.cpp:149
#41 0x00007f277bb65314 in QEventLoop::exec (this=0x7fff84077bf0, flags={i = -2079884288}) at kernel/qeventloop.cpp:201
#42 0x00007f277bb675e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x00007f276f9c31eb in kdemain (argc=1, argv=0x1e959b0) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#44 0x0000000000407215 in launch (argc=1, _name=0x1eddc28 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1eddc48 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3a1 "0") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#45 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#46 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#47 0x0000000000408b26 in main (argc=2, argv=0x7fff84078a98, envp=0x7fff84078ab0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

Report to https://bugs.kde.org

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 15212)]

Thread 2 (Thread 0x7f275c1f3950 (LWP 15213)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f277ba7dd19 in QWaitCondition::wait (this=0x267e7e0, mutex=0x267e7d8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f277a90781c in QHostInfoAgent::run (this=0x267e7c0) at kernel/qhostinfo.cpp:260
#3  0x00007f277ba7cd35 in QThreadPrivate::start (arg=0x267e7c0) at thread/qthread_unix.cpp:188
#4  0x00007f27779763ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f277855afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f277c046750 (LWP 15212)):
[KCrash Handler]
#5  0x00007f277971f734 in QGraphicsLayoutItem::geometry (this=0x7f2779b68800) at graphicsview/qgraphicslayoutitem.cpp:664
#6  0x00007f2779723145 in QGraphicsWidget::size (this=<value optimized out>) at graphicsview/qgraphicswidget.cpp:336
#7  0x00007f275c841d1e in AbstractTaskItem::basicPreferredSize (this=0x258d3d0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/abstracttaskitem.cpp:108
#8  0x00007f275c83e256 in TaskItemLayout::preferredColumns (this=0x29dc6e0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:206
#9  0x00007f275c83ebac in TaskItemLayout::gridLayoutSize (this=0x29dc6e0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:222
#10 0x00007f275c83ec3b in TaskItemLayout::layoutItems (this=0x7fff84075000) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:245
#11 0x00007f275c83f7f4 in TaskItemLayout::insert (this=0x29dc6e0, index=4, item=0x2e1fd20) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:125
#12 0x00007f275c83f9d0 in TaskItemLayout::addTaskItem (this=0x29dc6e0, item=0x2e1fd20) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:82
#13 0x00007f275c84b468 in TaskGroupItem::itemAdded (this=0x29dbd60, groupableItem=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskgroupitem.cpp:477
#14 0x00007f275c84ba5c in TaskGroupItem::qt_metacall (this=0x29dbd60, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff84075670)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#15 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x28fc740, from_signal_index=<value optimized out>, to_signal_index=21, argv=0x0) at kernel/qobject.cpp:3113
#16 0x00007f275d123cbf in TaskManager::TaskGroup::itemAdded (this=0x7fff84075000, _t1=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:139
#17 0x00007f275d12481b in TaskManager::TaskGroup::add (this=0x28fc740, item=0x2d51fd0) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskgroup.cpp:138
#18 0x00007f275d10d012 in TaskManager::GroupManagerPrivate::addTask (this=0x28f16b0, task={d = 0x7fff84075790}) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/groupmanager.cpp:290
#19 0x00007f275d10f34d in TaskManager::GroupManager::qt_metacall (this=0x28f03c0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff840758c0)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/groupmanager.moc:103
#20 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x28f0450, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#21 0x00007f275d127152 in TaskManager::TaskManager::taskAdded (this=0x7fff84075000, _t1=<value optimized out>)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:155
#22 0x00007f275d12912f in TaskManager::TaskManager::windowAdded (this=0x28f0450, w=41943318) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskmanager.cpp:262
#23 0x00007f275d12a32f in TaskManager::TaskManager::qt_metacall (this=0x28f0450, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff84075b50)
    at /build/buildd/kdebase-workspace-4.3.0/obj-x86_64-linux-gnu/libs/taskmanager/taskmanager.moc:109
#24 0x00007f277bb7bea2 in QMetaObject::activate (sender=0x2279200, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x0) at kernel/qobject.cpp:3113
#25 0x00007f277a371822 in KWindowSystem::windowAdded (this=0x7fff84075000, _t1=41943318) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kdeui/kwindowsystem.moc:120
#26 0x00007f277a373b7c in KWindowSystemPrivate::addClient (this=0x21511a0, w=41943318) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#27 0x00007f277a382557 in NETRootInfo::update (this=0x21511c8, dirty_props=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2186
#28 0x00007f277a38324b in NETRootInfo::event (this=0x21511c8, event=<value optimized out>, properties=0x7fff84075e90, properties_size=5)
    at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/netwm.cpp:2058
#29 0x00007f277a373ffb in KWindowSystemPrivate::x11Event (this=0x21511a0, ev=0x7fff840778c0) at /build/buildd/kde4libs-4.3.0/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#30 0x00007f277a243b33 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff840778c0) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:911
#31 0x00007f276f9d6707 in PlasmaApp::x11EventFilter (this=0x1ee8730, event=0x7fff840778c0) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/plasmaapp.cpp:490
#32 0x00007f277918e37f in qt_x11EventFilter (ev=0x7fff840778c0) at kernel/qapplication_x11.cpp:375
#33 0x00007f27791a187e in QApplication::x11ProcessEvent (this=0x1ee8730, event=0x7fff840778c0) at kernel/qapplication_x11.cpp:3271
#34 0x00007f27791cb454 in x11EventSourceDispatch (s=0x1f2d060, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007f2777bc520a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0x00007f2777bc88e0 in ?? () from /usr/lib/libglib-2.0.so.0
#37 0x00007f2777bc8a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0x00007f277bb8fa8f in QEventDispatcherGlib::processEvents (this=0x1f28fd0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#39 0x00007f27791cabdf in QGuiEventDispatcherGlib::processEvents (this=0x7fff84075000, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00007f277bb64f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -2079884368}) at kernel/qeventloop.cpp:149
#41 0x00007f277bb65314 in QEventLoop::exec (this=0x7fff84077bf0, flags={i = -2079884288}) at kernel/qeventloop.cpp:201
#42 0x00007f277bb675e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x00007f276f9c31eb in kdemain (argc=1, argv=0x1e959b0) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#44 0x0000000000407215 in launch (argc=1, _name=0x1eddc28 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1eddc48 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3a1 "0") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#45 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#46 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#47 0x0000000000408b26 in main (argc=2, argv=0x7fff84078a98, envp=0x7fff84078ab0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

Reported using DrKonqi