[Techtalk] dual screen

Telsa Gwynne hobbit at aloss.ukuu.org.uk
Fri Feb 4 23:00:19 EST 2005

On Fri, Feb 04, 2005 at 12:30:39PM +0100 or thereabouts, Chantal Rosmuller wrote:
> Telsa Gwynne wrote:
> >On Fri, Feb 04, 2005 at 09:45:18AM +0100 or thereabouts, Chantal 
> >Rosmuller wrote:
> >Third, I think BusIDs should be in the form "PCI:1:0:0" or "AGP:1:0:0" 
> >rather than just "1:0:0".
> >
> I tried it but it didn't change anything
> Maybe I should add that both screens are working but they are giving the 
> same image twice instead of showing one big screen.

Ah! So the monitors work, but Xinerama doesn't? Hmm. Well, I think 
you have the right stuff in 

  Section "ServerLayout"
  Screen      0  "Screen[0]" 0 0
  Screen      1  "Screen[1]" RightOf "Screen[0]"

My layout was a bit simpler; it was just

  Screen          "Default Screen"
  Screen          "Other Screen" RightOf "Default Screen"

..and that seemed to work. I don't know what those 0s and 1s do.

How are you starting X? From a virtual console, with "startx"?
Or with a display manager? (xdm, kdm, gdm) You need to tell the
display manager about Xinerama. I know how to do that for gdm,
but I suspect that SuSE uses kdm, which is different. 

And if you are starting X from a virtual console, you need to 
mention Xinerama there, too. Something like this:

startx -- +xinerama


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