On Thu, Apr 24, 2014 at 06:53:08AM +0000, Stig Eriksson wrote:
> I am searching for a solution for the following problem, that I found
> in an old post from 2009.
>
> >> I would like to know the possibility to manage two separate X-screens
> >> with the above configuration. I had seen an article from
> >> http://intellinuxgraphics.org/dualhead.html , demonstrates extended
> >> desktop. But i am looking for separate X-screens, like two
> >> separate menus, separate panels on each screen. Please provide me some
> >> information.
>
> > If I understand your problem correctly, the solution is not related to
> > the driver.
> >
> > I know you can from a console start a second X session using something
> > like the following command. (Not sure if that is entirely correct.)
> >
> > $ startx -- :1 -config /path/to/xorg.conf/with/other/monitor
> >
> > You should also be able to configure your system to start two login
> > screen at start up. You should search the WWW for that, i. e. "gdm two
> > login screen".
>
> This is really a driver question. We do not want to run two independent
> X servers, we want to run one server with 2 separate screens, so that
> the displays would be :0.0 and :0.1.
The configuration you are looking for is called ZaphodHeads, for
example;
Section "ServerLayout"
Identifier "zaphod"
Screen 0 "external"
Screen 1 "internal" RightOf "external"
EndSection
Section "Device"
Identifier "device-external"
Driver "intel"
Option "ZaphodHeads" "HDMI1"
Screen 0
EndSection
Section "Device"
Identifier "device-internal"
Driver "intel"
Option "ZaphodHeads" "LVDS1"
Screen 1
EndSection
Section "Screen"
Identifier "internal"
Device "device-internal"
EndSection
Section "Screen"
Identifier "external"
Device "device-external"
EndSection
--
Chris Wilson, Intel Open Source Technology Centre
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