Application that crashed: knetworkmanager
Version of the application: v0.9
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.6.0
Operating System: Linux 2.6.32-5-generic i686
Distribution: Ubuntu lucid (development branch)

What I was doing when the application crashed:
i switch network and knm crashed

 -- Backtrace:
Application: KNetworkManager (knetworkmanager), signal: Segmentation fault
[KCrash Handler]
#6  0x0103c297 in QAction::isSeparator() const () from /usr/lib/libQtGui.so.4
#7  0x014d3a88 in QMenu::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#8  0x0109de06 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x014d5574 in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x01042c6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x0104a5c8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#12 0x00c127ba in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#13 0x06f0e18b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x0104934f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#15 0x0104989a in QApplicationPrivate::sendSyntheticEnterLeave(QWidget*) () from /usr/lib/libQtGui.so.4
#16 0x0109cbd6 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#17 0x0109cd8a in QWidgetPrivate::hide_helper() () from /usr/lib/libQtGui.so.4
#18 0x010a69a8 in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#19 0x010ab000 in QWidgetAction::releaseWidget(QWidget*) () from /usr/lib/libQtGui.so.4
#20 0x014d5afd in QMenu::actionEvent(QActionEvent*) () from /usr/lib/libQtGui.so.4
#21 0x0109e207 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x014d5574 in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x01042c6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x01049ac4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00c127ba in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x06f0e18b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x01093e72 in QWidget::removeAction(QAction*) () from /usr/lib/libQtGui.so.4
#28 0x08055207 in _start ()

Reported using DrKonqi