[kde-linux] Start kde error

[谭学科]

I install KDE4.0 at first .Lately I want to develop KDE4 in KDE3 ,then I remove KDE4 and install KDE3, then I get the problems that I can't enter the desktop.There is the ".xsession-errors" attatched bellow.

Xsession: X session started for xuefeng at Wed Jan 23 09:19:21 CST 2008
startkde: Starting up...
startkde: Running kpersonalizer...
/usr/bin/iceauth:  creating new authority file /home/xuefeng/.ICEauthority
kbuildsycoca running...
Reusing existing ksycoca
kbuildsycoca: WARNING: 'kcertpart.desktop' specifies undefined mimetype/servicetype 'application/binary-certificate'
kbuildsycoca: WARNING: 'katepart.desktop' specifies undefined mimetype/servicetype 'text/x-fortran'
kbuildsycoca: WARNING: 'knotify.desktop' specifies undefined mimetype/servicetype 'KNotify'
kdeinit: Fatal IO error: client killed
kdeinit: sending SIGHUP to children.
kdeinit: sending SIGTERM to children.
kdeinit: Exit.
klauncher: Exiting on signal 15
DCOP aborting while waiting for answer from 'kded'
Warning: connect() failed: : No such file or directory
ksmserver: Fatal IO error: client killed
GOT SIGHUP
startkde: Shutting down...
Warning: connect() failed: : No such file or directory
Error: Can't contact kdeinit!
startkde: Running shutdown scripts...
xprop:  unable to open display ':0'
startkde: Done.
ICE default IO error handler doing an exit(), pid = 18667, errno = 32
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