Version:            (using KDE KDE 3.5.8)
Installed from:    Debian testing/unstable Packages

If i tried to change my screensaver kcontrol crashes every time while loading the list of screensaver.

Here is the bugtrace:

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(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread 0xb67e2b50 (LWP 5360)]
[KCrash handler]
#5  0xb6defb37 in XVisualIDFromVisual () from /usr/lib/libX11.so.6
#6  0xb5a59003 in KSWidget::KSWidget () from /usr/lib/kde3/kcm_screensaver.so
#7  0xb5a5d779 in KScreenSaver::slotPreviewExited ()
   from /usr/lib/kde3/kcm_screensaver.so
#8  0xb5a5da92 in KScreenSaver::setMonitor ()
   from /usr/lib/kde3/kcm_screensaver.so
#9  0xb5a5f059 in KScreenSaver::findSavers ()
   from /usr/lib/kde3/kcm_screensaver.so
#10 0xb5a63d36 in KScreenSaver::qt_invoke ()
   from /usr/lib/kde3/kcm_screensaver.so
#11 0xb71ebb10 in QObject::activate_signal (this=0x8359a10, clist=0x8359b48, 
    o=0xbf8d7f6c) at kernel/qobject.cpp:2356
#12 0xb71ec5f5 in QObject::activate_signal (this=0x8359a10, signal=2)
    at kernel/qobject.cpp:2325
#13 0xb757db94 in QTimer::timeout (this=0x8359a10)
    at .moc/debug-shared-mt/moc_qtimer.cpp:82
#14 0xb7213282 in QTimer::event (this=0x8359a10, e=0xbf8d8278)
    at kernel/qtimer.cpp:219
#15 0xb718036a in QApplication::internalNotify (this=0xbf8d8528, 
    receiver=0x8359a10, e=0xbf8d8278) at kernel/qapplication.cpp:2635
#16 0xb7182193 in QApplication::notify (this=0xbf8d8528, receiver=0x8359a10, 
    e=0xbf8d8278) at kernel/qapplication.cpp:2358
#17 0xb7890622 in KApplication::notify () from /usr/lib/libkdecore.so.4
#18 0xb71116c9 in QApplication::sendEvent (receiver=0x8359a10, 
    event=0xbf8d8278) at ../include/qapplication.h:520
#19 0xb71731b1 in QEventLoop::activateTimers (this=0x80c3df8)
    at kernel/qeventloop_unix.cpp:556
#20 0xb712619a in QEventLoop::processEvents (this=0x80c3df8, flags=4)
    at kernel/qeventloop_x11.cpp:389
#21 0xb719b6e4 in QEventLoop::enterLoop (this=0x80c3df8)
    at kernel/qeventloop.cpp:198
#22 0xb719b3e2 in QEventLoop::exec (this=0x80c3df8)
    at kernel/qeventloop.cpp:145
#23 0xb7181f13 in QApplication::exec (this=0xbf8d8528)
    at kernel/qapplication.cpp:2758
#24 0xb6491772 in kdemain () from /usr/lib/libkdeinit_kcontrol.so
#25 0xb7f2c454 in kdeinitmain () from /usr/lib/kde3/kcontrol.so
#26 0x0804ed50 in ?? ()
#27 0x00000007 in ?? ()
#28 0x080794a0 in ?? ()
#29 0x00000001 in ?? ()
#30 0x00000000 in ?? ()
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