Bug 313788

Application: wicd-kde (0.2.3)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-34-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

The crash can be reproduced every time.

-- Backtrace:
Application: WICD-klient KDE (wicd-kde), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00000000ffffea0b in ?? ()
#7  0x00007f3cade44b04 in QObject::disconnect (sender=0x1b425e0, signal=0x1b64d89 "selectionChanged(QItemSelection,QItemSelection)", receiver=0x1b60d90, method=0x1caa879 "_k_slotSelectionChanged(QItemSelection,QItemSelection)") at kernel/qobject.cpp:2891
#8  0x00007f3cafd1ee89 in ?? () from /usr/lib/libkdeui.so.5
#9  0x00007f3cade31028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1b68290, event=0x7fff16657ec0) at kernel/qcoreapplication.cpp:986
#10 0x00007f3caeaa785f in notify_helper (e=0x7fff16657ec0, receiver=0x1b68290, this=0x1988450) at kernel/qapplication.cpp:4555
#11 QApplicationPrivate::notify_helper (this=0x1988450, receiver=0x1b68290, e=0x7fff16657ec0) at kernel/qapplication.cpp:4531
#12 0x00007f3caeaac713 in QApplication::notify (this=0x7fff166581c0, receiver=0x1b68290, e=0x7fff16657ec0) at kernel/qapplication.cpp:4420
#13 0x00007f3cafd403f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#14 0x00007f3cade30e9c in QCoreApplication::notifyInternal (this=0x7fff166581c0, receiver=0x1b68290, event=0x7fff16657ec0) at kernel/qcoreapplication.cpp:876
#15 0x00007f3caeaef7f8 in sendEvent (event=0x7fff16657ec0, receiver=0x1b68290) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QWidgetPrivate::setWinId (this=0x1b26210, id=0) at kernel/qwidget.cpp:1730
#17 0x00007f3caeb438ce in QWidget::destroy (this=0x1b68290, destroyWindow=true, destroySubWindows=<optimized out>) at kernel/qwidget_x11.cpp:1118
#18 0x00007f3caeaf2769 in QWidget::~QWidget (this=0x1b68290, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1685
#19 0x000000000041c129 in _start ()

Reproducible: Always

Steps to Reproduce:
1. Log out
2.
3.
Actual Results:  
Error message appears

Expected Results:  
System should proceed to close down