Version:            (using KDE 4.1.1)
Compiler:          gcc 4.2.1 
OS:                Linux
Installed from:    SuSE RPMs

to reproduce you simply have to add the filewatch plasmoid and hit the configure button.

here's the backtrace:


Anwendung: Plasma-Arbeitsfläche (plasma), Signal SIGSEGV
[?1034hUsing host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb54e4a90 (LWP 4359)]
[New Thread 0xb0e7ab90 (LWP 6067)]
[New Thread 0xb1d94b90 (LWP 4362)]
[New Thread 0xb25cab90 (LWP 4361)]
[New Thread 0xb373db90 (LWP 4360)]
[KCrash handler]
#6  0xb643e82d in QGraphicsItem::clearFocus () from /usr/lib/libQtGui.so.4
#7  0xb6486ab4 in QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting ()
   from /usr/lib/libQtGui.so.4
#8  0xb64860e5 in QGraphicsWidget::itemChange () from /usr/lib/libQtGui.so.4
#9  0xb7e452bd in Plasma::Applet::itemChange () from /usr/lib/libplasma.so.2
#10 0xb6449b87 in QGraphicsItem::setParentItem () from /usr/lib/libQtGui.so.4
#11 0xb7e5c1a8 in Plasma::AppletHandle::AppletHandle ()
   from /usr/lib/libplasma.so.2
#12 0xb7e66e18 in Plasma::Containment::sceneEventFilter ()
   from /usr/lib/libplasma.so.2
#13 0xb645b5cc in QGraphicsScenePrivate::filterEvent ()
   from /usr/lib/libQtGui.so.4
#14 0xb645b663 in QGraphicsScenePrivate::sendEvent ()
   from /usr/lib/libQtGui.so.4
#15 0xb645b8ea in QGraphicsScenePrivate::sendHoverEvent ()
   from /usr/lib/libQtGui.so.4
#16 0xb64693a3 in QGraphicsScenePrivate::dispatchHoverEvent ()
   from /usr/lib/libQtGui.so.4
#17 0xb6469750 in QGraphicsScene::mouseMoveEvent () from /usr/lib/libQtGui.so.4
#18 0xb646995a in QGraphicsScene::event () from /usr/lib/libQtGui.so.4
#19 0xb5ec943c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#20 0xb5ecdee9 in QApplication::notify () from /usr/lib/libQtGui.so.4
#21 0xb6e6150d in KApplication::notify () from /usr/lib/libkdeui.so.5
#22 0xb6865799 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#23 0xb647657d in QGraphicsViewPrivate::mouseMoveEventHandler ()
   from /usr/lib/libQtGui.so.4
#24 0xb647a226 in QGraphicsView::mouseMoveEvent () from /usr/lib/libQtGui.so.4
#25 0xb5f21821 in QWidget::event () from /usr/lib/libQtGui.so.4
#26 0xb625ba53 in QFrame::event () from /usr/lib/libQtGui.so.4
#27 0xb62ef78f in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#28 0xb6477f4f in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#29 0xb62f1675 in ?? () from /usr/lib/libQtGui.so.4
#30 0xb6865b11 in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/lib/libQtCore.so.4
#31 0xb5ec9413 in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#32 0xb5ece415 in QApplication::notify () from /usr/lib/libQtGui.so.4
#33 0xb6e6150d in KApplication::notify () from /usr/lib/libkdeui.so.5
#34 0xb6865799 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#35 0xb5ecdb21 in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#36 0xb5f35dff in QETWidget::translateMouseEvent () from /usr/lib/libQtGui.so.4
#37 0xb5f355f0 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#38 0xb5f5be8c in QEventDispatcherX11::processEvents ()
   from /usr/lib/libQtGui.so.4
#39 0xb68648ed in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#40 0xb6864a7d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#41 0xb6866b5d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#42 0xb5ec8d67 in QApplication::exec () from /usr/lib/libQtGui.so.4
#43 0xb7f2dba6 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#44 0x080487f2 in main ()
#0  0xffffe410 in __kernel_vsyscall ()