Application that crashed: ksysguard
Version of the application: 4.3.2 (KDE 4.3.2)
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-127.fc12.x86_64 x86_64

What I was doing when the application crashed:
i was using system monitor to check my network speed. when i changed color of receiving lines on Network History to Blue, it crashed and prompted to reopen system monitor. when it came back, it has default color setting. i dont knw wat happned. i installed this system by using KDE Live CD & Has Mobile Boardband service Idea Net setter.

 -- Backtrace:
Application: System Monitor (ksysguard), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f5207f535a0 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#6  0x00007f5207f3a79f in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#7  0x00007f5207f3b7c1 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#8  0x00000034b115408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#9  0x00000034b4d8628f in KDialog::slotButtonClicked(int) () from /usr/lib64/libkdeui.so.5
#10 0x00000034b4d885a2 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#11 0x00000034b4e3c460 in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#12 0x00007f5207f3cdb0 in QWidget::setUpdatesEnabled(bool) () from /usr/lib64/libkdeinit4_ksysguard.so
#13 0x00000034b115408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#14 0x00000034b1156b9e in QSignalMapper::mapped(int) () from /usr/lib64/libQtCore.so.4
#15 0x00000034b1157d50 in QSignalMapper::map(QObject*) () from /usr/lib64/libQtCore.so.4
#16 0x00000034b1157fc0 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtCore.so.4
#17 0x00000034b115408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#18 0x00000034b338af77 in QAbstractButton::clicked(bool) () from /usr/lib64/libQtGui.so.4
#19 0x00000034b30eee0b in ?? () from /usr/lib64/libQtGui.so.4
#20 0x00000034b30f0a0b in ?? () from /usr/lib64/libQtGui.so.4
#21 0x00000034b30f0c65 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQtGui.so.4
#22 0x00000034b2dddcd8 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#23 0x00000034b2d8f65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#24 0x00000034b2d96715 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#25 0x00000034b4e11786 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#26 0x00000034b113ee6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#27 0x00000034b2d95ff2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/libQtGui.so.4
#28 0x00000034b2dfb9ee in ?? () from /usr/lib64/libQtGui.so.4
#29 0x00000034b2dfaaa8 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x00000034b2e2285c in ?? () from /usr/lib64/libQtGui.so.4
#31 0x00000034a7c3922e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#32 0x00000034a7c3cc18 in ?? () from /lib64/libglib-2.0.so.0
#33 0x00000034a7c3cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#34 0x00000034b11671e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#35 0x00000034b2e2200e in ?? () from /usr/lib64/libQtGui.so.4
#36 0x00000034b113d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#37 0x00000034b113db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#38 0x00000034b113fcd9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#39 0x00007f5207f72963 in kdemain () from /usr/lib64/libkdeinit4_ksysguard.so
#40 0x00000034a601eb1d in __libc_start_main () from /lib64/libc.so.6
#41 0x0000000000400709 in _start ()

This bug may be a duplicate of or related to bug 216108

Reported using DrKonqi