[ltp] New Xorg ATI video drivers sloooow (in Fedora 10)

Bill Green linux-thinkpad@linux-thinkpad.org
Wed, 07 Jan 2009 10:17:57 -0500


I'm seeing almost exactly the same performance (~58 fps) in glxgears on 
an x200 (intel 4500 graphics) on Debian sid with xorg, intel video 
driver, mesa, and libdrm from experimental (that's versions 7.4, 2.5.1, 
7.2, and 2.4.1, respectively) and kernel 2.6.27.10.

Matthias Runge wrote:
> Hi folks,
> 
> as the subject says, I'm experiencing a very bad 3d performance using
> the ATI xorg-x11-driver version 6.9.
> 
> I've used fedora 9 also, so I just did an upgrade (and did not touch my
> xorg.conf). In Fedora 9 the "ultimate benchmark" glxgears gave me approx
>  800-900 frames per second, Fedora 10 just comes to 50 frames. (Machine
> is a T43, ATI graphics, 1400x1050 screen)
> Afaik, ubuntu uses newest xorg, too. Does somebody see comparing results?
> 
> Does someone else see this regression? Has anybody any clue, what to do?
> I do not really need 3d, compiz etc., but graphics rendering feels
> really slow and makes scrolling painful.
> 
> Thanks,
> Matthias