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Bug#622993: every 10s I get "[drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid ..."

Le dimanche 01 mai 2011 à 16:51 -0300, Lisandro Damián Nicanor Pérez
Meyer a écrit :
> On Dom 01 May 2011 16:40:39 Thibaut Girka escribió:
> > [Sorry for the duplicate mail sent earlier to debian-kernel]
> > 
> > This whole bug really looks like #615598.
> > This might be a bug in nouveau or in the kernel.
> > 
> > Did the initial "breakage" of the screens occur with 2.6.38?
> > If so, you may want to try fixing your EDID info has explained in a
> > similar bug report[1], but be careful, it may cause more harm if
> > something goes wrong.
> > If you decided to do so, please check if the corruption appears again.
> > 
> > [1] https://bugs.freedesktop.org/show_bug.cgi?id=34554
> Considering my video card is an Ati, wich I suspect doesn't use nouveau, it 
> must not be this last one.

My bad, overlooked it since Stuart uses nouveau. However, it might be
related nonetheless (and might be a completely different issue as well).
Did your monitor fail right after an upgrade?

Anyway, I'd be really interested to hear from Stuart Pook: his story
sounds exactly like mine.

> And at least in my case, my card was working with a 2.6.38 kernel without 
> problems, except I am missing something here.

Your case sounds similar, though.
If the bug is the same, you can easily (even more easily since you have
an identical screen working just fine) fix your screen, using the method
mentioned on fdo.
But I'm no expert, and since this method tempers with your hardware, I'd
recommend you to be cautious.

Thibaut Girka.

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