Version:            (using Devel)
Installed from:    Compiled sources
Compiler:          gcc 4.3.0 (debian) -
OS:                Linux

SNV (branches/KDE/4.1): 834377

I decided to shut down my system today and got a plasma-crash - while the shutdown was in progress.

Here is the backtrace:
Application: Plasma Workspace (plasma), signal SIGSEGV
[Thread debugging using libthread_db enabled]
[New Thread 0x7f59609be7c0 (LWP 32627)]
[KCrash handler]
#5  0x000000000000002a in ?? ()
#6  0x00007f595a54390b in QGraphicsWidget::event (this=0x1dfcca0, 
    event=0x7fff68aff1a0) at graphicsview/qgraphicswidget.cpp:1153
#7  0x00007f5959e72197 in QApplicationPrivate::notify_helper (this=0x1c4abe0, 
    receiver=0x1dfcca0, e=0x7fff68aff1a0) at kernel/qapplication.cpp:3772
#8  0x00007f5959e724b3 in QApplication::notify (this=0x1c29c90, 
    receiver=0x1dfcca0, e=0x7fff68aff1a0) at kernel/qapplication.cpp:3366
#9  0x00007f595f4ff146 in KApplication::notify (this=0x1c29c90, 
    receiver=0x1dfcca0, event=0x7fff68aff1a0)
    at /home/kde4/development/kde4/kdelibs/kdeui/kernel/kapplication.cpp:311
#10 0x00007f595cd56f44 in QCoreApplication::notifyInternal (this=0x1c29c90, 
    receiver=0x1dfcca0, event=0x7fff68aff1a0)
    at kernel/qcoreapplication.cpp:587
#11 0x00007f595d970045 in QCoreApplication::sendEvent (receiver=0x1dfcca0, 
    event=0x7fff68aff1a0)
    at ../../../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 0x00007f595a543ec9 in QGraphicsWidget::sceneEvent (this=0x1dfcca0, 
    event=0x7fff68aff1a0) at graphicsview/qgraphicswidget.cpp:1003
#13 0x00007f595a515742 in QGraphicsScenePrivate::sendEvent (this=0x1ca4700, 
    item=0x1dfccb0, event=0x7fff68aff1a0)
    at graphicsview/qgraphicsscene.cpp:1046
#14 0x00007f595a517902 in QGraphicsScene::setFocusItem (this=0x1ca8fe0, 
    item=0x0, focusReason=Qt::OtherFocusReason)
    at graphicsview/qgraphicsscene.cpp:2634
#15 0x00007f595a5021f0 in QGraphicsItem::clearFocus (this=0x1dfccb0)
    at graphicsview/qgraphicsitem.cpp:1871
#16 0x00007f595a5470e7 in ~QGraphicsWidget (this=0x1dfcca0)
    at graphicsview/qgraphicswidget.cpp:218
#17 0x00007f5960337e76 in ~Applet (this=0x1dfcca0)
    at /home/kde4/development/kde4/kdebase/workspace/libs/plasma/applet.cpp:128
#18 0x00007f59603650c2 in ~Containment (this=0x1dfcca0)
    at /home/kde4/development/kde4/kdebase/workspace/libs/plasma/containment.cpp:108
#19 0x00007f594f2fc8c9 in ~Panel (this=0x1dfcca0)
    at /home/kde4/development/kde4/kdebase/workspace/plasma/containments/panel/panel.cpp:75
#20 0x00007f5960369b7d in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (begin={i = 0x7fff68aff350}, end={i = 0x7fff68aff340})
    at /usr/local/Trolltech/Qt-4.4.0/include/QtCore/qalgorithms.h:352
#21 0x00007f5960369caf in qDeleteAll<QList<Plasma::Containment*> > (
    c=@0x1ca4a48)
    at /usr/local/Trolltech/Qt-4.4.0/include/QtCore/qalgorithms.h:360
#22 0x00007f596036a523 in ~CoronaPrivate (this=0x1ca4a00)
    at /home/kde4/development/kde4/kdebase/workspace/libs/plasma/corona.cpp:64
#23 0x00007f59603698a2 in ~Corona (this=0x1ca8fe0)
    at /home/kde4/development/kde4/kdebase/workspace/libs/plasma/corona.cpp:191
#24 0x00007f59606bec4b in ~DesktopCorona (this=0x1ca8fe0)
    at /home/kde4/development/kde4/kdebase/workspace/plasma/plasma/desktopcorona.h:36
#25 0x00007f59606cf6a5 in PlasmaApp::cleanup (this=0x1c29c90)
    at /home/kde4/development/kde4/kdebase/workspace/plasma/plasma/plasmaapp.cpp:257
#26 0x00007f59606cf78b in PlasmaApp::qt_metacall (this=0x1c29c90, 
    _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7fff68aff5f0)
    at /home/kde4/development/kde/buildkdebase/workspace/plasma/plasma/plasmaapp.moc:79
#27 0x00007f595cd703ef in QMetaObject::activate (sender=0x1c29c90, 
    from_signal_index=4, to_signal_index=4, argv=0x0)
    at kernel/qobject.cpp:3001
#28 0x00007f595cd709c1 in QMetaObject::activate (sender=0x1c29c90, 
    m=0x7f595d07e3a0, local_signal_index=0, argv=0x0)
    at kernel/qobject.cpp:3071
#29 0x00007f595cdbb2aa in QCoreApplication::aboutToQuit (this=0x1c29c90)
    at .moc/debug-shared/moc_qcoreapplication.cpp:123
#30 0x00007f595cd57a04 in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:849
#31 0x00007f5959e71ef4 in QApplication::exec ()
    at kernel/qapplication.cpp:3304
#32 0x00007f59606c2b5b in kdemain (argc=1, argv=0x7fff68affa58)
    at /home/kde4/development/kde4/kdebase/workspace/plasma/plasma/main.cpp:54
#33 0x0000000000400977 in main (argc=1, argv=0x7fff68affa58)
    at /home/kde4/development/kde/buildkdebase/workspace/plasma/plasma/plasma-qgv_dummy.cpp:3
#0  0x00007f59589af1f1 in nanosleep () from /lib/libc.so.6