[Bug 55500] [sna gen4] corrupt rendering (and flickering on redraw)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55500

--- Comment #75 from Zdenek Kabelac <zdenek.kabelac at gmail.com> ---
   (In reply to comment #74)
> I think I've a sort of positive message here
> at least on my T61 - now using upstream git commit 
> 
> 8f340f90f4b2f269d6308d0bd31fbc2a5f579608
> 
> I'm no longer observing corruptions while scrolling Firefox pages.
> So some recent commit is probably behind this change.
> Before I've used 14 days older commit and I've been able to easily
> see those corruptions. Now it looks like they are gone.
> 
> Of course I'll make a longer observation here - but so far it looks
> promising.


Ok - it seems that on the longterm run the corruptions starts to appear again.
So it seems to be related how the memory is being used over the time.

But with my 4 days uptime - now I see easily images corrupted during the scroll
in firefox.

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