Re: glXCreatePbuffer fails on Ubuntu 12.04 VM

 > I think I know what's wrong. I just tried running the test program using
 > xvfb-run and it just worked. As this is just a wrapper script for
 > starting and stopping Xvfb I was really confused. I was using this 
before:
 >
 > 
https://github.com/travis-ci/travis-cookbooks/blob/master/ci_environment/xserver/files/default/etc/init.d/xvfb.sh 

 >
 >
 > The difference between both scripts is 1024x768x16 vs 1024x768x32.

I'm sorry, I meant x24, not x32.

I opened a bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=62742

I hope this solves the issue. So, it wasn't a Mesa problem at all.

Cheers
Maik