[Hudlug] Matrox cards, Xinerama and AA, fix

Chris Lindley hudlug at mailman.lug.org.uk
Thu Jan 30 10:28:01 2003


Hi all,

I know at least a few of you out there are using a Xinerama setup, with
a Matrox card.

Well as you know :-(  there are many problems with this setup with
anti-aliased fonts, ranging from some characters missing (whenever a
button changes shape on a mouse over) to major character corruption and
ghost characters appearing on the second head!

Well, i seem to have found a fix is available.  It seems the problem is
with the Xfree86 4.2 mga.o driver being buggy.  It does not deal with
the Render function particularly well.

If you add Option "XaaNoOffscreenPixmaps" to your XF86Config-4 file this
fixes it, without any apparent problems. 

There's a lot more explantion (far better than I've done) on this web
forum http://forum.matrox.com/mgaforum/Forum2/HTML/001726.html.

Apparently it will be fixed in 4.3

Cheers
Chris

-- 
  Chris Lindley                                  
  chris.lindley@scotgate.org          chrishl@bmb.leeds.ac.uk
  ICQ#157144010	    AIM#fergycool    jabber#fergy    IRC#Ferg
  Climb up it, kayak down it + make sure it runs on GNU/Linux