Re: radeon 4830 corruption after resume

[Alex Chiang <achiang@hp.com>]

* Dave Airlie <airlied@redhat.com>:
> On Sun, 2009-12-13 at 19:30 -0700, Alex Chiang wrote:
> > Hi Dave, Rafael,
> > 
> > I can successfully suspend/resume my HP Envy, but upon resume,
> > the screen is corrupted.
> > 
> > I used the gnome screenshot utility to capture this:
> > 
> > 	http://chizang.net/alex/tmp/radeon-4830-corruption.png
> > 
> > But that screenshot leads you to believe the corruption was
> > 100%, when in reality, the text in my xterms was at least
> > readable, but ugly.
> > 
> > Kernel is latest upstream pulled today. Userspace is Ubuntu Karmic.
> 
> Has it ever worked? can you suspend/resume without X running at all?

Hm, define "worked"?

The machine responds to keyboard, mouse, network input, etc. It's
just that the screen is garbled.

Unless I'm not understanding what you're asking?

> Its quite possibly a userspace problem but its hard to know, we
> haven't changed the user modesetting pieces in the kernel at all in
> quite a while.

Ok, I'm just looking for where/how to start debugging. Any advice
on where to look next would be fine too.

Thanks,
/ac