Application that crashed: ksysguard
Version of the application: 4.3.00 (KDE 4.3.0)
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-4.slh.2-sidux-686 i686
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
same bug, new kernel and apt-get updates. crashes instantly on "OK" apply

 -- Backtrace:
Application: System Monitor (ksysguard), signal: Segmentation fault
[KCrash Handler]
#6  0xb6a4a36b in QColor::operator= (this=0xa64, color=...) at painting/qcolor.cpp:1901
#7  0xb7f5a177 in KSignalPlotter::setBeamColor (this=0x9f19a98, index=2, color=...) at ../../../ksysguard/gui/SensorDisplayLib/SignalPlotter.cc:122
#8  0xb7f36ddd in FancyPlotter::applySettings (this=0x9f0de58) at ../../../ksysguard/gui/SensorDisplayLib/FancyPlotter.cc:260
#9  0xb7f37dc3 in FancyPlotter::qt_metacall (this=0x9f0de58, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb7e028) at ./FancyPlotter.moc:75
#10 0xb7361ad3 in QMetaObject::activate (sender=0xa162c58, from_signal_index=43, to_signal_index=43, argv=0x0) at kernel/qobject.cpp:3112
#11 0xb7362722 in QMetaObject::activate (sender=0xa162c58, m=0xb7a63524, local_signal_index=7, argv=0x0) at kernel/qobject.cpp:3186
#12 0xb7826a77 in KDialog::applyClicked (this=0xa162c58) at ./kdialog.moc:240
#13 0xb78290ca in KDialog::slotButtonClicked (this=0xa162c58, button=8) at ../../kdeui/dialogs/kdialog.cpp:858
#14 0xb782b332 in KDialog::qt_metacall (this=0xa162c58, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfb7e21c) at ./kdialog.moc:184
#15 0xb78f08ea in KPageDialog::qt_metacall (this=0xa162c58, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfb7e21c) at ./kpagedialog.moc:64
#16 0xb7f39baa in FancyPlotterSettings::qt_metacall (this=0xa162c58, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfb7e21c) at ./FancyPlotterSettings.moc:68
#17 0xb7361ad3 in QMetaObject::activate (sender=0xa0e70c8, from_signal_index=4, to_signal_index=4, argv=0xbfb7e21c) at kernel/qobject.cpp:3112
#18 0xb7362722 in QMetaObject::activate (sender=0xa0e70c8, m=0xb743ccf8, local_signal_index=0, argv=0xbfb7e21c) at kernel/qobject.cpp:3186
#19 0xb7365343 in QSignalMapper::mapped (this=0xa0e70c8, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:95
#20 0xb7365bcd in QSignalMapper::map (this=0xa0e70c8, sender=0xa0c12d8) at kernel/qsignalmapper.cpp:266
#21 0xb7365dbe in QSignalMapper::map (this=0xa0e70c8) at kernel/qsignalmapper.cpp:257
#22 0xb736668b in QSignalMapper::qt_metacall (this=0xa0e70c8, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfb7e39c) at .moc/release-shared/moc_qsignalmapper.cpp:81
#23 0xb7361ad3 in QMetaObject::activate (sender=0xa0c12d8, from_signal_index=29, to_signal_index=30, argv=0xbfb7e39c) at kernel/qobject.cpp:3112
#24 0xb7361f00 in QMetaObject::activate (sender=0xa0c12d8, m=0xb71b1924, from_local_signal_index=2, to_local_signal_index=3, argv=0xbfb7e39c) at kernel/qobject.cpp:3206
#25 0xb6fca951 in QAbstractButton::clicked (this=0xa0c12d8, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#26 0xb6cf6329 in QAbstractButtonPrivate::emitClicked (this=0xa167078) at widgets/qabstractbutton.cpp:543
#27 0xb6cf7f14 in QAbstractButtonPrivate::click (this=0xa167078) at widgets/qabstractbutton.cpp:536
#28 0xb6cf81a6 in QAbstractButton::mouseReleaseEvent (this=0xa0c12d8, e=0xbfb7ea3c) at widgets/qabstractbutton.cpp:1115
#29 0xb699e73b in QWidget::event (this=0xa0c12d8, event=0xbfb7ea3c) at kernel/qwidget.cpp:7549
#30 0xb6cf61ce in QAbstractButton::event (this=0xa0c12d8, e=0xbfb7ea3c) at widgets/qabstractbutton.cpp:1077
#31 0xb6d9fa00 in QPushButton::event (this=0xa0c12d8, e=0xbfb7ea3c) at widgets/qpushbutton.cpp:662
#32 0xb69487d4 in QApplicationPrivate::notify_helper (this=0x9dbce30, receiver=0xa0c12d8, e=0xbfb7ea3c) at kernel/qapplication.cpp:4056
#33 0xb69512a1 in QApplication::notify (this=0x9dbcd78, receiver=0xa0c12d8, e=0xbfb7ea3c) at kernel/qapplication.cpp:3758
#34 0xb78c000d in KApplication::notify (this=0x9dbcd78, receiver=0xa0c12d8, event=0xbfb7ea3c) at ../../kdeui/kernel/kapplication.cpp:302
#35 0xb734c96b in QCoreApplication::notifyInternal (this=0x9dbcd78, receiver=0xa0c12d8, event=0xbfb7ea3c) at kernel/qcoreapplication.cpp:610
#36 0xb695032e in QCoreApplication::sendSpontaneousEvent (receiver=0xa0c12d8, event=0xbfb7ea3c, alienWidget=0xa0c12d8, nativeWidget=0xa162c58, buttonDown=0xb71beaa0, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#37 QApplicationPrivate::sendMouseEvent (receiver=0xa0c12d8, event=0xbfb7ea3c, alienWidget=0xa0c12d8, nativeWidget=0xa162c58, buttonDown=0xb71beaa0, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#38 0xb69bee55 in QETWidget::translateMouseEvent (this=0xa162c58, event=0xbfb7ffec) at kernel/qapplication_x11.cpp:4409
#39 0xb69be336 in QApplication::x11ProcessEvent (this=0x9dbcd78, event=0xbfb7ffec) at kernel/qapplication_x11.cpp:3428
#40 0xb69e8842 in x11EventSourceDispatch (s=0x9dc0068, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#41 0xb625c368 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#42 0xb625f8c3 in ?? () from /usr/lib/libglib-2.0.so.0
#43 0xb625fa48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#44 0xb73777f8 in QEventDispatcherGlib::processEvents (this=0x9da7620, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#45 0xb69e7f85 in QGuiEventDispatcherGlib::processEvents (this=0x9da7620, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#46 0xb734afba in QEventLoop::processEvents (this=0xbfb80250, flags=...) at kernel/qeventloop.cpp:149
#47 0xb734b402 in QEventLoop::exec (this=0xbfb80250, flags=...) at kernel/qeventloop.cpp:201
#48 0xb734d859 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#49 0xb6948657 in QApplication::exec () at kernel/qapplication.cpp:3525
#50 0xb7f74bb4 in kdemain (argc=1, argv=0xbfb804c4) at ../../../ksysguard/gui/ksysguard.cc:579
#51 0x080485b2 in main (argc=168278176, argv=0x23) at ksysguard_dummy.cpp:3

Reported using DrKonqi