[Bug 24300] EXA corruption is back with xorg-server 1.7.0 on RS780

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24300





--- Comment #28 from Michel Dänzer <michel at daenzer.net>  2009-11-26 11:41:19 PST ---
Hmm, interesting. I guess this leaves a few basic possibilities as to what the
problem could be:

1. The R6/7xx EXA code might not like something about the way
   ExaOffscreenDefragment() calls its Copy hooks. Can't see anything offhand
that
   could be problematic though.

2. The ExaOffscreenDefragment() call in exaOffscreenAlloc() might happen at
times
   the driver can't handle it. It should be easy to test this by disabling just
   that call.

3. Some kind of ordering or other issue between the ExaOffscreenDefragment()
call
   in ExaWakeupHandler() and the R6/7xx EXA code. Again should be easily
testable
   by disabling just that call.

Would be great if you guys could try ruling out 2. or 3. Of course I might be
missing something, I'm open for other ideas.


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