Bug#511316: xserver-xorg-video-intel: xserver randomly freezes when using an opengl application

[roberto_g@libero.it]

On venerdì 09 gen 2009, Julien Cristau wrote:
> On Fri, 2009-01-09 at 14:37 +0100, Roberto Guerra wrote:
> > Every time I try to use an opengl application, the screen freezes
> > after some time. It can takes 1 minute or 1 hour to happen, and I
> > could not find any pattern.
>
> this is likely a bug in the i965 dri driver.  It would be nice if you
> could build mesa from git (or a 7.3 release candidate which should be
> available soon) to see if it's fixed there.
>
> Cheers,
> Julien

I would like to, but I never tried that before.
What's the simplest way to do that?