Application that crashed: ksysguard
Version of the application: 4.3.3 (KDE 4.3.3)
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.30.9-102.fc11.i686.PAE i686
Distribution: "Fedora release 11 (Leonidas)"

What I was doing when the application crashed:
change color scale then application crash

 -- Backtrace:
Application: System Monitor (ksysguard), signal: Segmentation fault
[KCrash Handler]
#6  0x03ab6f2b in QColor::operator=(QColor const&) () from /usr/lib/libQtGui.so.4
#7  0x04dcc5b1 in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#8  0x04daaf85 in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#9  0x04dabfc6 in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#10 0x03371dc3 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x03372a22 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#12 0x0464ca27 in KDialog::applyClicked() () from /usr/lib/libkdeui.so.5
#13 0x0464f1a7 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#14 0x046517ec in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#15 0x047196ca in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#16 0x04dadc7a in QWidget::setUpdatesEnabled(bool) () from /usr/lib/libkdeinit4_ksysguard.so
#17 0x03371dc3 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x03372a22 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#19 0x033749b3 in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#20 0x0337524d in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#21 0x0337542e in QSignalMapper::map() () from /usr/lib/libQtCore.so.4
#22 0x03375c6b in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#23 0x03371dc3 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#24 0x03372238 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#25 0x04040061 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#26 0x03d68989 in ?? () from /usr/lib/libQtGui.so.4
#27 0x03d6a5c4 in ?? () from /usr/lib/libQtGui.so.4
#28 0x03d6a861 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#29 0x03a0aafa in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x03d6882e in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x03e12afd in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x039b58b4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#33 0x039bd9db in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#34 0x046e87ba in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#35 0x0335c0ab in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#36 0x039bc91e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#37 0x03a2aff0 in ?? () from /usr/lib/libQtGui.so.4
#38 0x03a2a483 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#39 0x03a55562 in ?? () from /usr/lib/libQtGui.so.4
#40 0x00735308 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#41 0x007389e0 in ?? () from /lib/libglib-2.0.so.0
#42 0x00738b13 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#43 0x03386b7c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#44 0x03a54c45 in ?? () from /usr/lib/libQtGui.so.4
#45 0x0335a639 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#46 0x0335aa8a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#47 0x0335cf0f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#48 0x039b5737 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#49 0x04dea217 in kdemain () from /usr/lib/libkdeinit4_ksysguard.so
#50 0x0804868b in _start ()

Reported using DrKonqi