Hi!

Has anyone experienced the following and found a solution?

On our server (I set it up as headless X-server on display :0) where vgl 
is installed user A starts an OpenGL application. Another user (user B) 
connects to the server and tries to start also the same OpenGL 
application. However, user B does not get a correct display of the 
OpenGL application, he rather gets a "damaged" framebuffer or even a 
black one. If I change the order of start of the application (user B 
first then user A), the same behavior is there.

I did the following to exclude errors:

* Check if X :0 has direct rendering: yes
* Found no suspicious log entries in the vgl client logs
* Reproduced the error with different OpenGL applications

It's very strange since this behavior came suddenly.

Thanks in advance,
Stephan

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