Hello,
I also encountered some problems with the 1:1.4.1.dfsg.1-4 version of the
mga driver and xorg 7.1. I reverted back to the mga driver
1:1.2.1.3.dfsg.1-2 and xorg 7.0 from testing which work correctly.
(These notes are from my memory so they might not be accurate or helpful.
Unfortunately, I am not currently able to debug the problem further.)
I noticed the following problems with the new version:
* The frequency reported by the OSD of my monitor was different from the
one shown by xrandr. For example:
- xrandr: 85Hz monitor: ~95Hz
- xrandr: 75Hz monitor: ~105Hz ???
* Playing videos with mplayer with '-vo xv' showed 'noise'
patterns in the right side of the picture. With '-vo xvidix' the
'noise' was even more visible. '-vo x11' showed a correct picture. Also
xine showed the same kind of noise as mplayer -vo xv.
* OpenGL did not seem to work. Applications hang when they were started.
For example glxinfo printed one line of text and hang. The applications
could be killed with CTRL-C. Disabling OpenGL by removing the 'glx' module
from xorg.conf did not solve any problems except the hanging of
applications.
card: Matrox Graphics, Inc. MGA G400 AGP
kernel: 2.6.17-2-k7 #1 SMP Wed Sep 13 17:18:46 UTC 2006 i686 GNU/Linux
--
Lasse Kantola
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