[Xquartz-dev] Autolaunched X11 doesn't work with fast-user-switching

Merle Reinhart merlereinhart at mac.com
Sat Dec 15 17:38:09 PST 2007

I've been doing a bit more testing with X11-2.1.1 and find that the  
autolaunching stuff doesn't work if one user already has the Xserver  
started.  At that point, any other user logging in via fast-user  
switching is not able to then use X11 (attempting to set DISPLAY to : 
1.0 and manually start X11.app winds up in an infinite loop with  
Xquartz still trying to talk to the server at :0.0 which is owned by  
the other user).

At this point in time, I have not been about to find a workaround that  
would allow more than one user to utilize X11.app at the same time.   
Could this be because launchd is explicitly hard-coded to look at the : 
0 socket when the socket should increase based upon the number of  
logged in users?

This is potentially a problem with multi-user systems where X11 may be  


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