Ubuntu
mesa package

  1. Bug #347569
  2. Comment #5

Comment 5 for bug 347569

Revision history for this message
David (davidmarch007) wrote : Re: glxgears low fps on Xpress 200M

I can confirm this in Jaunty.

david@ubuntu-laptop:~$ glxgears
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
1061 frames in 5.0 seconds = 212.088 FPS
1409 frames in 5.0 seconds = 281.755 FPS
1400 frames in 5.0 seconds = 279.827 FPS
1382 frames in 5.0 seconds = 276.358 FPS
1389 frames in 5.0 seconds = 277.713 FPS
1333 frames in 5.0 seconds = 266.511 FPS
1429 frames in 5.0 seconds = 285.785 FPS

david@ubuntu-laptop:~$ radeontool --debug
Found card 1002:5975 (30000)
  (unknown card)
mapping ctrl region

david@ubuntu-laptop:~$ lspci | grep Xpress
01:05.0 VGA compatible controller: ATI Technologies Inc RS482 [Radeon Xpress 200M]

david@ubuntu-laptop:~$ uname -a
Linux ubuntu-laptop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux

This is on an Acer laptop and it is a pretty common card. A fix would likely help many.