(In reply to comment #96)
> (In reply to comment #95)
> > Second night without any problem (Video, Glamor and games were all tested).
> > Now, I'll try to find what seems to be part of the solution by reverting one
> > change at a time until the system begins to hang again.
> 
> It may some sort of synchronization issue between the EXA acceleration code
> in ddx and the 3D acceleration code in mesa.  When you use glamor, all
> acceleration uses the code in mesa.

Indeed. I'll begin by reverting this change first then.