Dual head with different resolutions, MGA G500

[Alex Deucher]

On 9/15/05, Daniil V. Kolpakov <dan at solutions.lv> wrote:
> В сообщении от Monday 05 September 2005 12:03 Simo Kauppi написал(a):
> > I know it works as I have used it before, but now I don't seem to get it
> > working. When I set the xorg.conf to use dual head and start X, the
> > screen just blanks. The only way to wake up the screen is to use fbset
> > to set the resolution on either head. The fbset can only be done from
> > another computer (via ssh connection) as the screen blanks totally.
> > After the screen wakes up, the configuration seems to work fine.
> 
> Currently I'm running xorg-x11-6.9-0.cvs20050901.1mdk, same problem with
> Xinerama, G550, and dual 1024x768 screens; I would like to point to another
> workaround I'm using to wake up second head:
> 
> Xorg -config /etc/X11/xorg.conf.clone
> 
> where /etc/X11/xorg.conf.clone is a config file for a plain single-head
> 1024x768.
> 
> I don't use fb console, and system boots up with one monitor blank. After X
> starts in clone/single-head mode, it wakes up second monitor and I do
> Ctrl-Alt-Backspace. From this moment linux text console is cloned on both
> monitors (second wakes up), and Xinerama works OK.
> 
> --
> /dev/brains: permission denied
> 

try the suggestion in bug 615:
https://bugs.freedesktop.org/show_bug.cgi?id=615

Alex