Application that crashed: ksysguard
Version of the application: 4.3.5 (KDE 4.3.5) "release 0"
KDE Version: 4.3.5 (KDE 4.3.5) "release 0"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-0.2-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
i tried to change the background-color from the network-history in system-monitor

 -- Backtrace:
Application: Systemmonitor (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f1319b5ee30 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#6  0x00007f1319b45faf in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#7  0x00007f1319b46fd9 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#8  0x00007f1324138fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#9  0x00007f1322a7b4da in KDialog::slotButtonClicked(int) () from /usr/lib64/libkdeui.so.5
#10 0x00007f1322a7d239 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#11 0x00007f1322b31df0 in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#12 0x00007f1319b485d0 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#13 0x00007f1324138fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#14 0x00007f132413baee in QSignalMapper::mapped(int) () from /usr/lib64/libQtCore.so.4
#15 0x00007f132413cce0 in QSignalMapper::map(QObject*) () from /usr/lib64/libQtCore.so.4
#16 0x00007f132413cf50 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtCore.so.4
#17 0x00007f1324138fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#18 0x00007f13224f0e27 in QAbstractButton::clicked(bool) () from /usr/lib64/libQtGui.so.4
#19 0x00007f1322252c2b in ?? () from /usr/lib64/libQtGui.so.4
#20 0x00007f132225483b in ?? () from /usr/lib64/libQtGui.so.4
#21 0x00007f1322254a85 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQtGui.so.4
#22 0x00007f1321f5acf0 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#23 0x00007f1321f0c2ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#24 0x00007f1321f133c1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#25 0x00007f1322b07016 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#26 0x00007f1324123ddc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#27 0x00007f1321f12c90 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/libQtGui.so.4
#28 0x00007f1321f78cfe in ?? () from /usr/lib64/libQtGui.so.4
#29 0x00007f1321f77d9a in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x00007f1321f9fb6c in ?? () from /usr/lib64/libQtGui.so.4
#31 0x00007f1320e55dee in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f1320e597b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f1320e598e0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f132414c3a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#35 0x00007f1321f9f31e in ?? () from /usr/lib64/libQtGui.so.4
#36 0x00007f1324122712 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#37 0x00007f1324122ae4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#38 0x00007f1324124c99 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#39 0x00007f1319b7e233 in kdemain () from /usr/lib64/libkdeinit4_ksysguard.so
#40 0x0000000000406f88 in _start ()

Reported using DrKonqi