[Bug 23660] [RV350] X.org freeze unless XAA used

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23660





--- Comment #21 from Michel Dänzer <michel at daenzer.net>  2010-03-28 06:33:38 PST ---
(In reply to comment #16)
> Option "EXANoComposite" gives me a working system but, in exchange, it seems to
> make X a very cpu hungry process.

I've found that drm-radeon-testing commit
924788672f9c802a4c8e6bc8d88fbc2c9b2e3089 ('drm/radeon/bo: add some fallback
placements for VRAM only objects.') can result in GPU lockups due to the 3D
engine trying to access unbound GTT memory, and the new GPU reset code can
hardlock the system when trying to recover from the lockup. If your kernel has
that commit, try reverting it.

Note that this report was about non-KMS so your problem should be tracked
elsewhere.


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