Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
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
[KCrash Handler]
#5  0x00007f3871b27734 in QGraphicsLayoutItem::geometry (this=0x3c0b0e0) at graphicsview/qgraphicslayoutitem.cpp:664
#6  0x00007f3871b2b145 in QGraphicsWidget::size (this=<value optimized out>) at graphicsview/qgraphicswidget.cpp:336
#7  0x00007f3856a4ce7e in AbstractTaskItem::basicPreferredSize (this=0x5bf1290) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/abstracttaskitem.cpp:108
#8  0x00007f3856a493f6 in TaskItemLayout::preferredColumns (this=0x2c1b0e0) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:206
#9  0x00007f3856a49d4c in TaskItemLayout::gridLayoutSize (this=0x2c1b0e0) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:222
#10 0x00007f3856a49ddb in TaskItemLayout::layoutItems (this=0x7fff7c4841f0) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:245
#11 0x00007f3856a4a994 in TaskItemLayout::insert (this=0x2c1b0e0, index=3, item=0x5c34370) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:125
#12 0x00007f3856a4ab70 in TaskItemLayout::addTaskItem (this=0x2c1b0e0, item=0x5c34370) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskitemlayout.cpp:82
#13 0x00007f3856a56618 in TaskGroupItem::itemAdded (this=0x2c1a770, groupableItem=0x2d97370) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/taskgroupitem.cpp:477
#14 0x00007f3856a56c0c in TaskGroupItem::qt_metacall (this=0x2c1a770, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7c484860)
    at /build/buildd/kdebase-workspace-4.3.1/obj-x86_64-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#15 0x00007f3873f88ea2 in QMetaObject::activate (sender=0x2bd01e0, from_signal_index=<value optimized out>, to_signal_index=21, argv=0x0) at kernel/qobject.cpp:3113
#16 0x00007f3856e91ccf in TaskManager::TaskGroup::itemAdded (this=0x7fff7c4841f0, _t1=0x2d97370) at /build/buildd/kdebase-workspace-4.3.1/obj-x86_64-linux-gnu/libs/taskmanager/taskgroup.moc:139
#17 0x00007f3856e9282b in TaskManager::TaskGroup::add (this=0x2bd01e0, item=0x2d97370) at /build/buildd/kdebase-workspace-4.3.1/libs/taskmanager/taskgroup.cpp:138
#18 0x00007f3856e786ca in TaskManager::AbstractGroupingStrategy::destroy (this=0x5c14b90) at /build/buildd/kdebase-workspace-4.3.1/libs/taskmanager/abstractgroupingstrategy.cpp:80
#19 0x00007f3856e7c1c2 in TaskManager::GroupManager::setGroupingStrategy (this=0x28c5880, strategy=TaskManager::GroupManager::NoGrouping)
    at /build/buildd/kdebase-workspace-4.3.1/libs/taskmanager/groupmanager.cpp:662
#20 0x00007f3856e7c51d in TaskManager::GroupManagerPrivate::checkIfFull (this=0x2c115f0) at /build/buildd/kdebase-workspace-4.3.1/libs/taskmanager/groupmanager.cpp:547
#21 0x00007f3856a45008 in Tasks::constraintsEvent (this=0x2900210, constraints={i = 62959840}) at /build/buildd/kdebase-workspace-4.3.1/plasma/applets/tasks/tasks.cpp:165
#22 0x00007f386b893e69 in Plasma::Applet::flushPendingConstraintsEvents (this=0x2900210) at /build/buildd/kde4libs-4.3.1/plasma/applet.cpp:1173
#23 0x00007f386b8944b5 in Plasma::Applet::timerEvent (this=0x2900210, event=<value optimized out>) at /build/buildd/kde4libs-4.3.1/plasma/applet.cpp:2120
#24 0x00007f3873f83263 in QObject::event (this=0x2900210, e=0x3c0b0e0) at kernel/qobject.cpp:1075
#25 0x00007f3871b2c18b in QGraphicsWidget::event (this=0x2900210, event=0x7fff7c4852b0) at graphicsview/qgraphicswidget.cpp:1340
#26 0x00007f3871539f4d in QApplicationPrivate::notify_helper (this=0x2427990, receiver=0x2900210, e=0x7fff7c4852b0) at kernel/qapplication.cpp:4056
#27 0x00007f387154218a in QApplication::notify (this=0x241e860, receiver=0x2900210, e=0x7fff7c4852b0) at kernel/qapplication.cpp:4021
#28 0x00007f387264cdeb in KApplication::notify (this=0x241e860, receiver=0x2900210, event=0x7fff7c4852b0) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#29 0x00007f3873f736ac in QCoreApplication::notifyInternal (this=0x241e860, receiver=0x2900210, event=0x7fff7c4852b0) at kernel/qcoreapplication.cpp:610
#30 0x00007f3873fa0516 in QTimerInfoList::activateTimers (this=0x242afa0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 0x00007f3873f9cb2d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#32 0x00007f386ffcd20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0x00007f386ffd08e0 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x00007f386ffd0a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0x00007f3873f9ca8f in QEventDispatcherGlib::processEvents (this=0x24274c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#36 0x00007f38715d2bdf in QGuiEventDispatcherGlib::processEvents (this=0x7fff7c4841f0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x00007f3873f71f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 2085115168}) at kernel/qeventloop.cpp:149
#38 0x00007f3873f72314 in QEventLoop::exec (this=0x7fff7c485560, flags={i = 2085115248}) at kernel/qeventloop.cpp:201
#39 0x00007f3873f745e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0x00007f3867eb33eb in kdemain (argc=1, argv=0x23999b0) at /build/buildd/kdebase-workspace-4.3.1/plasma/shells/desktop/main.cpp:50
#41 0x0000000000407215 in launch (argc=1, _name=0x23da2e8 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x23da308 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3a1 "0") at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:677
#42 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1169
#43 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1362
#44 0x0000000000408b26 in main (argc=2, argv=0x7fff7c486408, envp=0x7fff7c486420) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1793

Reported using DrKonqi