Version:            (using KDE 3.5.9)
Compiler:          gcc-4.1.2 
OS:                Linux
Installed from:    Gentoo Packages

I often use Yakuake, Firefox, and Mplayer in KDE. 
Sometimes, kde reports crash message as i click Kmenu -> logout -> End current session.

Backtraces:
terry@localhost ~ $ more ksmserver.kcrash
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Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 0xb68ce6d0 (LWP 4592)]
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[KCrash handler]
#6  0xb7093a92 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#7  0xb73d46d9 in QInputContext::deletionRequested ()
   from /usr/qt/3/lib/libqt-mt.so.3
#8  0xb65099c6 in QXIMInputContext::close ()
   from /usr/qt/3/plugins/inputmethods/libqxim.so
#9  0xb6509e5b in QXIMInputContext::close_xim ()
   from /usr/qt/3/plugins/inputmethods/libqxim.so
#10 0xb650a11d in ?? () from /usr/qt/3/plugins/inputmethods/libqxim.so
#11 0x080b52c8 in ?? ()
#12 0x080b3850 in ?? ()
#13 0x080b50b8 in ?? ()
#14 0xb74f6b94 in ?? () from /usr/qt/3/lib/libqt-mt.so.3
#15 0x080b52a8 in ?? ()
#16 0x08094c28 in ?? ()
#17 0xbf9d9be8 in ?? ()
#18 0xb6fd65ee in ?? () from /usr/qt/3/lib/libqt-mt.so.3
#19 0xb6fd6340 in ?? () from /usr/qt/3/lib/libqt-mt.so.3
#20 0xb740a3ba in ?? () from /usr/qt/3/lib/libqt-mt.so.3
#21 0x000000ee in ?? ()
#22 0xb7085dc4 in QMetaObjectCleanUp::setMetaObject ()
   from /usr/qt/3/lib/libqt-mt.so.3
#23 0xb6bc432d in _XimServerDestroy () from /usr/lib/libX11.so.6
#24 0xb6bb9c32 in ?? () from /usr/lib/libX11.so.6
#25 0x080f5320 in ?? ()
#26 0xb6c46ff4 in ?? () from /usr/lib/libX11.so.6
#27 0xbf9d9c58 in ?? ()
#28 0xb6b78e8a in XFilterEvent () from /usr/lib/libX11.so.6
Backtrace stopped: frame did not save the PC