problems with ati 9600 xinerama

[Alex Deucher]

On Sun, 28 Nov 2004 12:45:03 -0500, Chuck Mead <csm at moongroup.com> wrote:
> Alex Deucher wrote:
> 
> 
> > On Sun, 28 Nov 2004 10:22:54 +0100, Matthieu Herrb
> > <matthieu.herrb at laas.fr> wrote:
> >
> >>Chuck Mead wrote:
> >>
> >>
> >>
> >>
> >>>I finally gave up on classic ximerama with this card and with
> >>>the help of a user on freenode:#xorg I got the desktop I had been
> >>>wanting using this config:
> >>>
> >>>Section "Device"
> >>>        Identifier  "Videocard0"
> >>>        Driver      "radeon"
> >>>        VendorName  "ATI"
> >>>        BoardName   "ATI Radeon 9600"
> >>>        BusID       "PCI:1:0:0"
> >>>        Option "MergedFB" "True"
> >>>        Option "CRT2HSync" "30-70"
> >>>        Option "CRT2VRefresh" "50-160"
> >>>        Option "MonitorLayout" "CRT,CRT"
> >>>        Option "OverlayOnCRTC2" "true"
> >>>         Option "MetaModes" "1280x1024-1280x1024"
> >>>        Option "CRT2Position" "RightOf"
> >>>EndSection
> >>>
> >>
> >>Though, it may be interesting to understand why "traditional" dual-head
> >>doesn't work anymore with radeons.
> >>
> >>I have a 9200 which also seem to only be able to use mergedfb with
> >>X.Org, and I've one report of a OpenBSD user who was using traditional
> >>multi-head on XFree86 4.4 with a radeon 7000, but cannot get it working
> >>with X.Org 6.8.1.
> >>
> >
> >
> > traditional multi-head should work as well.  It does on all my
> > mult-head radeon cards.  for it to work you will need two devices
> > sections with the same pci id and one with screen 0 and one with
> > screen 1.  monitor detection has regressed on some systems in 6.8.x
> > and can be fixed with this patch:
> > https://bugs.freedesktop.org/show_bug.cgi?id=1559
> > Without that patch, you can force the outputs to what you want using
> > the Monitorlayout option in the screen 0 device config section of your
> > xorg.conf:
> > Option     "MonitorLayout" "CRT, CRT"
>         
> I did all that and it *NEVER* worked... *ALL* I could get was a double
> (duplicate) screen... not one big desktop.


Could you post your log with that configuration somewhere?  I'd like
to take a look at it.  Also have you tried the patch on bug 1559?

thanks,

Alex

> 
> --
> csm at moongroup.com, head geek
> http://moongroup.com
>