[Bug 28960] Screen tearing (some tiles rendered with offset) especially when scrolling etc. in DualHead mode on HD4350

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28960

--- Comment #14 from Grzegorz Wierzowiecki <grzegorz.wierzowiecki at pjwstk.edu.pl> 2010-07-09 11:42:10 PDT ---
(In reply to comment #13)
> (In reply to comment #12)
> > Why this column overlapping seems strange to me ?
> > When width of first screen is 1920, I assume it's Y axes range is [0;1919], so
> > offset 1920 of second screen (=> range [1920,3119]) should not overlap, but it
> > overlaps.
> 
> the overlap was an xserver bug that was fixed in this commit:
> http://cgit.freedesktop.org/xorg/xserver/commit/?id=80d1a548d6ce73c2ff097536c1bc7044bf74965d


Thank you for info and commit's diff url.

So this detail is not related.

So we have to look with this tearing somewhere else.
Could I help you by running some programs in verbose mode, etc. ?

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