[Bug 21553] snow and flashy lines on rs690

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=21553





--- Comment #29 from Alex Deucher <agd5f at yahoo.com>  2009-06-12 09:47:17 PST ---
(In reply to comment #28)
> I noticed the chip family selection in the patch code, and I suspected it
> wouldn't apply to mine. I thought I'd try it anyway. 
> 
> Is the frequency selection a benign change that could applied safely to my chip
> version as well?

It's not relevant as your chip does not have fractional fb dividers.

> 
> The screen trash problem just returned while I've been typing. Just like last
> time it first reappeared while typing in this comment form.  An odd
> coincidence, but probably just Murphy's Law, I think. The display problem
> happens with various apps running, not just Firefox.
> 

Does it happen with acceleration disabled (Option "NoAccel" "True")
or DRI disabled (Option "DRI" "False")?  It might also be AGP related.  Try:
Option "AGPMode" "X"
where X = 1 or 2 or 4
or Option "BusType" "PCI"

> I piggybacked on this bug report because it seemed closely related. If the
> original reported case is now fixed, would you like me to file a new, separate
> bug report?

It may be the same issue, but the resolutions will probably be different since
the chips are so different.  Might as well file a new bug.

> 
> By the way, the current git master does seem to fix another minor cosmetic
> quirk that I hadn't even reported. So that's an improvement.
> 

Good.  What was it?

> I just took a batch of photos while my display was snowed. I'll see if any of
> them turned out well enough to illustrate the problem.

That would be helpful.  It would also be helpful to get a copy of your video
bios and you xorg log and config.


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