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:
.......

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[KCrash Handler]
#6  QGraphicsLayoutItem::geometry (this=0x10) at graphicsview/qgraphicslayoutitem.cpp:663
#7  0xb6f98bbf in QGraphicsWidget::size (this=0x0) at graphicsview/qgraphicswidget.cpp:326
#8  0xb8025aae in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#9  0xb7e9cf9e in Plasma::Corona::initializeLayout (this=0x967ccc0, configName=@0xbfcacd24) at /build/buildd/kde4libs-4.2.95/plasma/corona.cpp:326
#10 0xb8041f17 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#11 0xb80420c4 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#12 0xb80466b0 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#13 0xb667fca8 in QMetaObject::activate (sender=0x96796d0, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3069
#14 0xb6680932 in QMetaObject::activate (sender=0x96796d0, m=0xb675b908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3143
#15 0xb66850a7 in QSingleShotTimer::timeout (this=0x96796d0) at .moc/release-shared/qtimer.moc:76
#16 0xb66851cc in QSingleShotTimer::timerEvent (this=0x96796d0) at kernel/qtimer.cpp:298
#17 0xb667a15f in QObject::event (this=0x96796d0, e=0xbfcad30c) at kernel/qobject.cpp:1082
#18 0xb6916e9c in QApplicationPrivate::notify_helper (this=0x9626648, receiver=0x96796d0, e=0xbfcad30c) at kernel/qapplication.cpp:4084
#19 0xb691f19e in QApplication::notify (this=0x9620538, receiver=0x96796d0, e=0xbfcad30c) at kernel/qapplication.cpp:3631
#20 0xb777f3dd in KApplication::notify (this=0x9620538, receiver=0x96796d0, event=0xbfcad30c) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:302
#21 0xb6669a3b in QCoreApplication::notifyInternal (this=0x9620538, receiver=0x96796d0, event=0xbfcad30c) at kernel/qcoreapplication.cpp:602
#22 0xb6698d71 in QTimerInfoList::activateTimers (this=0x962ca7c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 0xb66954e0 in timerSourceDispatch (source=0x962ca48) at kernel/qeventdispatcher_glib.cpp:164
#24 0xb4f2db88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0xb4f310eb in ?? () from /usr/lib/libglib-2.0.so.0
#26 0xb4f31268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0xb6695438 in QEventDispatcherGlib::processEvents (this=0x9625c40, flags={i = -1077226360}) at kernel/qeventdispatcher_glib.cpp:323
#28 0xb69b8365 in QGuiEventDispatcherGlib::processEvents (this=0x9625c40, flags={i = -1077226312}) at kernel/qguieventdispatcher_glib.cpp:202
#29 0xb666806a in QEventLoop::processEvents (this=0xbfcad530, flags={i = -1077226248}) at kernel/qeventloop.cpp:149
#30 0xb66684aa in QEventLoop::exec (this=0xbfcad530, flags={i = -1077226184}) at kernel/qeventloop.cpp:200
#31 0xb666a959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#32 0xb6916d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#33 0xb802a510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#34 0x08048712 in _start ()

Reported using DrKonqi