Screen flickers after resuming from suspend to RAM (Intel + kernel 2.6.34)

[Sergio Monteiro Basto]

this you have this patch applied ? 
mention on 
https://bugzilla.kernel.org/show_bug.cgi?id=13811

http://cvs.fedoraproject.org/viewvc/rpms/kernel/F-13/drm-i915-fix-hibernate-memory-corruption.patch?revision=1.1&content-type=text%2Fplain&view=co

On Tue, 2010-07-06 at 13:42 +0200, Łukasz Maśko wrote: 
> My laptop has an Intel i945GM graphics chipset. I'm using Intel driver 
> 2.12.0 (witn KMS) and xserver 1.8.2. Everything works perfectly on 2.6.33.x 
> kernels. 
> 
> Unfortunately, if I switch to 2.6.34 (2.6.34.1 as well), after I resume from 
> suspend to RAM, my screen starts to flicker. The screen gets blank (semi) 
> randomly. In fact, this is not a random flickering - screen gets blank only 
> if nothing is drawn. It means, that, for instance, I can watch films - the 
> screen cannot get black between frames of the film. It is the same when 
> _anything_ else happens in the screen. But otherways the screen is blank. 
> The blanking is immediate after anything is changed on the screen.
> 
> I'm almost sure it is a kind of kernel drm problem, because the screen 
> flickers in exactly the same way if I switch to console (as said before, I'm 
> using KMS).
> 
> Questions:
> 1. Has anyone noticed someting like this?
> 2. If a solution is known, can you provide me with it?
> 3. If it is not solved, where exactly should I report this?
> 
> I have registry dumps created before and after suspend using 
> intel_reg_dumper, but I don't understand their content. I can provide them.

-- 
Sérgio M. B.
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