Xinerama in X.org

[Warren Block]

On Wed, 2 Jul 2008, Steven Kreuzer wrote:

> I have a Matrox G450 video card hooked up to two monitors. I have been 
> running Xinerama mode in X.org without problems for a while
> and I recently did a portupgrade on everything installed on my system. After 
> that, I have been unable to get Xinerama to work at all.
> I have been looking into this issue on and off for close to a month and I 
> still have no idea what is going on.
>
> $ pciconf -l -v
> vgapci0 at pci0:1:0:0:     class=0x030000 card=0x0541102b chip=0x0525102b 
> rev=0x82 hdr=0x00
>  vendor     = 'Matrox Electronic Systems Ltd.'
>  device     = 'MGA G450 Dual Head Chip of G450 graphics card'
>  class      = display
>  subclass   = VGA
>
> xorg.conf: http://pastebin.com/m6a85502e
> Xorg.0.log: http://pastebin.com/m6f9374ca
>
> As far as I can tell, everything is setup correctly.
>
> If anyone has any helpful advice, please let me know. I might be overlooking 
> something very obvious.

Here are notes on getting the Matrox dual-screen to work with xorg-7.3:

http://www.wonkity.com/~wblock/mgapatch/xorg-patch.txt

-Warren Block * Rapid City, South Dakota USA