screen (intel igp) goes black after logout when using xauth stompdagger1 at
Sun Aug 18 00:01:39 PDT 2013


I have the following scenario: 

	* a framework that runs a gui program. 

	* group a that all the included users can use that framework 

in an essence, user x from group a can execute program a1. program a1 
uses sudo to run another program as user a_x which runs a gui program. 
as the executing user isn't user a_x, I need to use xauth to extract the
 session's X cookie to be able to connect to the X session, after the 
program is done, I remove the X session from the X cookie using xauth. 

this works well when I start the program but when I shut it down and logout, the screen stays black. 

this started when I replaced the previous card (ati, worked without problems) with the intel igp. 

any ideas? the logs doesn't show any error.

I'm using kernel 3.10.7 with mesa from git, inter driver version 2.21.14 on a i7-2600 with 16 gb of ram.

thanks for the help.
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