Plasma crashes on shutdown (via kicker - leave, shutdown, shutdown), but not 
predictably. The backtrace is different from 163673, so posting as a different 
bug. I had just konsole and dolphin open when shutting down. I had one desktop 
notes and one folderview plasmoid on the desktop.


Cheers

Application: Plasma Workspace (plasma), signal SIGSEGV
Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1208662320 (LWP 8702)]
[New Thread -1311106160 (LWP 8705)]
[KCrash handler]
#6  0x00000000 in ?? ()
#7  0x040d4236 in QGraphicsWidget::event (this=0x8213d60, event=0xbfdaa70c)
    at graphicsview/qgraphicswidget.cpp:1153
#8  0x03ad0d07 in QApplicationPrivate::notify_helper (this=0x80f4d20, 
    receiver=0x8213d60, e=0xbfdaa70c) at kernel/qapplication.cpp:3772
#9  0x03ad1020 in QApplication::notify (this=0x80eef48, receiver=0x8213d60, 
    e=0xbfdaa70c) at kernel/qapplication.cpp:3366
#10 0x025c9639 in KApplication::notify (this=0x80eef48, receiver=0x8213d60, 
    event=0xbfdaa70c)
    at /home/kde-devel/kde/src/kdelibs/kdeui/kernel/kapplication.cpp:311
#11 0x02f38bb2 in QCoreApplication::notifyInternal (this=0x80eef48, 
    receiver=0x8213d60, event=0xbfdaa70c) at kernel/qcoreapplication.cpp:583
#12 0x00d8ab6b in QCoreApplication::sendEvent (receiver=0x8213d60, 
    event=0xbfdaa70c)
    at 
../../../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#13 0x040d46de in QGraphicsWidget::sceneEvent (this=0x8213d60, 
    event=0xbfdaa70c) at graphicsview/qgraphicswidget.cpp:1003
#14 0x040abc47 in QGraphicsScenePrivate::sendEvent (this=0x81b7038, 
    item=0x8213d68, event=0xbfdaa70c) at graphicsview/qgraphicsscene.cpp:1046
#15 0x040ad972 in QGraphicsScene::setFocusItem (this=0x81b6540, item=0x0, 
    focusReason=Qt::OtherFocusReason) at graphicsview/qgraphicsscene.cpp:2634
#16 0x0409ad54 in QGraphicsItem::clearFocus (this=0x8213d68)
    at graphicsview/qgraphicsitem.cpp:1871
#17 0x040d71a1 in ~QGraphicsWidget (this=0x8213d60)
    at graphicsview/qgraphicswidget.cpp:218
#18 0x001d959d in ~Applet (this=0x8213d60)
    at /home/kde-devel/kde/src/kdebase/workspace/libs/plasma/applet.cpp:127
#19 0x00208653 in ~Containment (this=0x8213d60)
    at /home/kde-devel/kde/src/kdebase/workspace/libs/plasma/containment.cpp:103
#20 0x014d4837 in ~Panel (this=0x8213d60)
    at 
/home/kde-devel/kde/src/kdebase/workspace/plasma/containments/panel/panel.cpp:75
#21 0x0020d780 in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (
    begin=@0xbfdaa7f0, end=@0xbfdaa7ec)
    at 
/home/kde-devel/kde/src/qt-copy/include/QtCore/../../src/corelib/tools/qalgorithms.h:352
#22 0x0020d958 in qDeleteAll<QList<Plasma::Containment*> > (c=@0x81b6e2c)
    at 
/home/kde-devel/kde/src/qt-copy/include/QtCore/../../src/corelib/tools/qalgorithms.h:360
#23 0x0020e30c in ~CoronaPrivate (this=0x81b6e00)
    at /home/kde-devel/kde/src/kdebase/workspace/libs/plasma/corona.cpp:64
#24 0x0020d48a in ~Corona (this=0x81b6540)
    at /home/kde-devel/kde/src/kdebase/workspace/libs/plasma/corona.cpp:185
#25 0x00120ec7 in DesktopCorona::~DesktopCorona$delete ()
    at 
/home/kde-devel/kde/src/qt-copy/include/QtCore/../../src/corelib/global/qglobal.h:1974
#26 0x0012f44e in PlasmaApp::cleanup (this=0x80eef48)
    at /home/kde-devel/kde/src/kdebase/workspace/plasma/plasma/plasmaapp.cpp:257
#27 0x0012f539 in PlasmaApp::qt_metacall (this=0x80eef48, 
    _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfdaa954)
    at 
/home/kde-devel/kde/build/kdebase/workspace/plasma/plasma/plasmaapp.moc:79
#28 0x02f4ce61 in QMetaObject::activate (sender=0x80eef48, 
    from_signal_index=4, to_signal_index=4, argv=0x0)
    at kernel/qobject.cpp:3007
#29 0x02f4d2e3 in QMetaObject::activate (sender=0x80eef48, m=0x2fe7a44, 
    local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3080
#30 0x02f8ce11 in QCoreApplication::aboutToQuit (this=0x80eef48)
    at .moc/debug-shared/moc_qcoreapplication.cpp:123
#31 0x02f393d5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:849
#32 0x03ad0a04 in QApplication::exec () at kernel/qapplication.cpp:3304
#33 0x001242e5 in kdemain (argc=1, argv=0xbfdaaba4)
    at /home/kde-devel/kde/src/kdebase/workspace/plasma/plasma/main.cpp:54
#34 0x08048806 in main (argc=)
    at 
/home/kde-devel/kde/build/kdebase/workspace/plasma/plasma/plasma-qgv_dummy.cpp:3
#0  0x00110402 in __kernel_vsyscall ()