Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.82 (KDE 4.3.82 (KDE 4.4 >= 20091211)) (Compiled from sources)
Qt Version: 4.6.0
Operating System: Linux 2.6.31 i686
Distribution: Debian GNU/Linux 5.0.3 (lenny)

-- Information about the crash:
I removed the grouping panel and plasma crashed.........................................................................

 -- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
[Current thread is 0 (LWP 5730)]

Thread 2 (Thread 0xa68c2b90 (LWP 5766)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5f71f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb5ff1582 in QWaitCondition::wait (this=0x89004a8, mutex=0x89004a4, time=4294967295) at /home/kde-devel/kdesvn/qt-copy/src/corelib/thread/qwaitcondition_unix.cpp:87
#3  0xb760da0a in QHostInfoAgent::run (this=0x8900498) at /home/kde-devel/kdesvn/qt-copy/src/network/kernel/qhostinfo.cpp:252
#4  0xb5ff067e in QThreadPrivate::start (arg=0x8900498) at /home/kde-devel/kdesvn/qt-copy/src/corelib/thread/qthread_unix.cpp:244
#5  0xb5f6e4b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#6  0xb5da8a5e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb2f4b780 (LWP 5730)):
[KCrash Handler]
#6  0xb6a23cda in QGraphicsItem::isPanel (this=0x814d520) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsitem.cpp:1625
#7  0xb63de6ec in QApplicationPrivate::notify_helper (this=0x808e2b0, receiver=0x8086a28, e=0x814d520) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4242
#8  0xb63e5ead in QApplication::notify (this=0x807d280, receiver=0x814d520, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:3661
#9  0xb737500d in KApplication::notify (this=0x807d280, receiver=0x814d520, event=0xbfaeba40) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:302
#10 0xb60f2e5b in QCoreApplication::notifyInternal (this=0x807d280, receiver=0x814d520, event=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:704
#11 0xb63ecb2e in QCoreApplication::sendEvent (receiver=0x814d520, event=0x0) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:215
#12 0xb6a874ef in QGraphicsView::viewportEvent (this=0x89068f8, event=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsview.cpp:2640
#13 0xb68bd9a5 in QAbstractScrollAreaFilter::eventFilter (this=0x890b9c0, o=0x8909d10, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qabstractscrollarea_p.h:100
#14 0xb60f217a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x808e2b0, receiver=0x8909d10, event=0xbfaeba40)
    at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:819
#15 0xb63de6c9 in QApplicationPrivate::notify_helper (this=0x808e2b0, receiver=0x8909d10, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4238
#16 0xb63e5dd8 in QApplication::notify (this=0x807d280, receiver=0x8909d10, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4125
#17 0xb737500d in KApplication::notify (this=0x807d280, receiver=0x8909d10, event=0xbfaeba40) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:302
#18 0xb60f2e5b in QCoreApplication::notifyInternal (this=0x807d280, receiver=0x8909d10, event=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:704
#19 0xb643b44d in QWidget::event (this=0x89068f8, event=0xbfaeba40) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:215
#20 0xb6822643 in QFrame::event (this=0x89068f8, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qframe.cpp:557
#21 0xb68bb9c7 in QAbstractScrollArea::event (this=0x89068f8, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qabstractscrollarea.cpp:985
#22 0xb6a8a546 in QGraphicsView::event (this=0x89068f8, event=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsview.cpp:2623
#23 0xb63de6ec in QApplicationPrivate::notify_helper (this=0x808e2b0, receiver=0x89068f8, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4242
#24 0xb63e5dd8 in QApplication::notify (this=0x807d280, receiver=0x89068f8, e=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4125
#25 0xb737500d in KApplication::notify (this=0x807d280, receiver=0x89068f8, event=0xbfaeba40) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:302
#26 0xb60f2e5b in QCoreApplication::notifyInternal (this=0x807d280, receiver=0x89068f8, event=0xbfaeba40) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:704
#27 0xb63e4973 in QApplication::setActiveWindow (act=0x89068f8) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:218
#28 0xb646d192 in QApplication::x11ProcessEvent (this=0x807d280, event=0xbfaebe2c) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication_x11.cpp:3420
#29 0xb6498c82 in x11EventSourceDispatch (s=0x80910f0, callback=0, user_data=0x0) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:146
#30 0xb467c098 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0xb467f823 in ?? () from /lib/libglib-2.0.so.0
#32 0x08090478 in ?? ()
#33 0x00000000 in ?? ()

Reported using DrKonqi