freebsd7, radeon, xorg-server -> deadlock or so

[Robert Noland]

On Wed, 2010-02-10 at 08:43 -0800, Norbert Papke wrote:
> On February 10, 2010, Robert Noland wrote:
> > On Tue, 2010-02-09 at 19:43 -0800, Norbert Papke wrote:
> > > I think the variable include more than just the model of graphics card. 
> > > I just replaced my motherboard, keeping all other components, disks,
> > > software and configuration.  With the old motherboard my HD 3650 was
> > > working great including 3D acceleration.  With the new board, X will
> > > hang/crash with DRI enabled.  Even with DRI disabled, I still experience
> > > problems with the screen not updating unless I wiggle the mouse.
> > 
> > Ah, this suggest an issue with interrupts.  If the driver is blocked
> > waiting on an event, moving the mouse will interrupt the driver and
> > force it to update.
> 
> Based on your suggestion in another thread, I tried to disable MSI.  This did 
> not make a difference.  I still experience the hang.

Ok, that was kind of a long shot to begin with.  I've never heard of any
issues with MSI on radeons, at least as long as MSI works at all on your
system.

robert.

> I had only tried to start X with DRI disabled once.  The time I tried it, it 
> worked with the above mentioned interrupt problem.  It seems that I got lucky 
> that time.  I reattempted to run with DRI disabled, and hung the machine three 
> times in a row.
> 
> I have run out of time for the moment and will try a few more things tonight.
> 
> -- Norbert Papke.
>    npapke at acm.org
> 
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-- 
Robert Noland <rnoland at FreeBSD.org>
FreeBSD