http://bugs.freedesktop.org/show_bug.cgi?id=19484





--- Comment #13 from Michel Dänzer <mic...@daenzer.net>  2009-02-28 03:38:22 
PST ---
(In reply to comment #11)
> Instead, Option "ExaOptimizeMigration" "off" does solve it.
> What's the drawback in disabling this?

Potentially lower performance due to more pixmap migration overhead in some
cases.

(In reply to comment #12)
> But he's using RadeonHD. So it must be some common code between radeon and
> radeonhd.

The acceleration code in both drivers is related, but this bug could even be in
the EXA core. It could be related to bug 19940 and bug 16416.


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