[Bug 21683] EXA on radeon chip seems to trigger serious performance issues

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=21683





--- Comment #41 from Rolf Leggewie <bugs.freedesktop.org at rolf.leggewie.biz>  2009-07-28 15:42:16 PST ---
(In reply to comment #39)
> (In reply to comment #37)
> > Unfortunately, the patch from Alex did not fix the issue on Ubuntu.
> 
> The purpose of Alex's patch is to make the driver use XAA by default on
> constrained setups like the one in the X log file you attached originally. Is
> that not happening?

No, it wasn't.

The reason the patch wasn't working is not that it's faulty, though.  It's just
that I only installed the xserver-xorg-video-ati package when the driver for my
hardware is xserver-xorg-video-radeon (compiled from the same source package). 
IOW, I hadn't really installed the fixed package.

I tried again today and I'm happy to report that the patch from Alex does
indeed fix the issue.  The faulty 104 patch meant self-inflicted pain in
Ubuntu.  I wonder if there is anything to do for xorg itself?  Will the driver
compiled from stock xorg default to XAA in low-memory situations?


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