Bug#286013: xserver-xfree86: MGA driver locks up w/ accelleration

[Christoph Reichenbach <creichen@machine.cs.colorado.edu>]

Branden,

> On Thu, Dec 16, 2004 at 03:12:38PM -0700, Christoph Reichenbach wrote:
> > Package: xserver-xfree86
> > Version: 4.3.0-2
> 
> I'm sorry it has taken a long time to follow up on this report.

No worries! I guess me filing it against an old version is partly to blame for
that.

[...]
> Oh, I see.  In the future, please file the report against the most recent
> version that has the problem, and describe the earliest known version with
> the problem in the bug description.

Right, I'll try to remember to do that.

> >   My machine is an UP1000 (nautilus), the G400 is attached to the AGP
> >   slot; the machine's firmware is an API-internal SRM release. I tried
> >   debugging for a bit, but couldn't make sense of what I was getting (I
> >   don't have MGA docs); basically, at some point the G400 stops emptying
> >   the (command?) fifo, causing WAITFIFO() (mga_macros.h) to wait
> >   indefinitely. Disabling
> 
> Okay.  I wonder if some sort of engine-reset logic is needed.
> 
> Your bug title suggests, but your message body does not state, that
> disabling XAA works around the problem.  Can you confirm that?

Yes.


  Note that I don't have physical access to the machine at the moment; I won't
be able to test any fixes until late april (at the earliest).


Thanks,

-- Christoph