I know almost nothing about XGL :) However at the "Solution Linux 2007" expo in Paris,
a user asked me why the "shutdown computer" and "restart computer" entries were missing
in the logout dialog when using XGL. I debugged that on the person's laptop, and the answer is:

XGL starts the kde session with DISPLAY set to :93.
The KDE code (in kdmlib) uses DISPLAY to talk to kdm, which is running on :0.
Therefore kdmlib can't talk to kdm, since it's looking for it at :93.

What's the solution? 
Should XGL set another environment variable (INITIAL_DISPLAY or something)
so that we can find out where kdm actually is?
Or do we have another way of finding out kdm maybe, that would be resistant to XGL
being in the middle and changing DISPLAY?

-- 
David Faure, faure@kde.org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).
 
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