Application that crashed: ksysguard
Version of the application: 4.3.1 (KDE 4.3.1) "release 6"
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-0.1-desktop i686
Distribution: "openSUSE 11.2 (i586)"

What I was doing when the application crashed:
systemmonitor, changed the colour  from network receiving from yellow in red (as user 1000).

tried it 3 times

 -- Backtrace:
Application: Systemmonitor (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  0xb42869a8 in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#7  0xb426910f in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#8  0xb426a28f in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#9  0xb7791864 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0xb7792585 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb6cbde45 in KDialog::okClicked() () from /usr/lib/libkdeui.so.5
#12 0xb6cc09a0 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#13 0xb6cc3113 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#14 0xb6d8fc92 in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#15 0xb426c042 in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#16 0xb7791864 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#17 0xb7792585 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0xb77945a5 in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#19 0xb7794e7c in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#20 0xb779505e in QSignalMapper::map() () from /usr/lib/libQtCore.so.4
#21 0xb7795880 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#22 0xb7791864 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#23 0xb7791d41 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#24 0xb69aa985 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#25 0xb66c2dad in ?? () from /usr/lib/libQtGui.so.4
#26 0xb66c4aeb in ?? () from /usr/lib/libQtGui.so.4
#27 0xb66c4d86 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#28 0xb6376bac in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0xb66c2c40 in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb676fc83 in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#31 0xb631f8fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0xb6327bbb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#33 0xb6d5dce1 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#34 0xb777b32e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#35 0xb6326bdc in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#36 0xb639780a in ?? () from /usr/lib/libQtGui.so.4
#37 0xb6396d7e in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#38 0xb63c1b68 in ?? () from /usr/lib/libQtGui.so.4
#39 0xb5efa4c2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0xb5efdd98 in ?? () from /usr/lib/libglib-2.0.so.0
#41 0xb5efdebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#42 0xb77a7011 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0xb63c129a in ?? () from /usr/lib/libQtGui.so.4
#44 0xb777998d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0xb7779dd9 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#46 0xb777c270 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#47 0xb631f774 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#48 0xb42aa077 in kdemain () from /usr/lib/libkdeinit4_ksysguard.so
#49 0x0804e147 in _start ()

Reported using DrKonqi