multi x users

Martin Schmeisser schmeissermartin at gmail.com
Tue Aug 30 19:25:12 UTC 2005


Am Freitag, den 26.08.2005, 18:16 +1000 schrieb Daniel Stone: 
> On Wed, 2005-08-24 at 17:36 +0000, Martin Schmeisser wrote:
> > i have a NVidia GeForce FX 5500 with 2 outputs (one VGA, one DVI). I got
> > it to run wit NView or Xinerama multihead. However i would love to have
> > actually 2 xservers, each for one monitor and each with its own mouse
> > and keyboard.
> > 
> > I understand that this has been done with XFree. One of the desciptions
> > used and a kernel patch called ruby the other one didnt [1][2].
> 
> Ubuntu already incorporates the 'multiseat' package which sets this all
> up.  We didn't patch the kernel at all with the Ruby stuff, but instead
> wrote a few patches to Xorg (which have all been merged upstream for
> 6.9/7.0) to fix it all up.
> 
> However, it doesn't apply to you, sadly.  You can't drive a single video
> card (two outputs or not) with two different X servers, so you're
> basically limited to one session.  Unless, of course, you did some
> amazing acrobatics with Xdmx or so ...
> 

Hi again, as i said in another email before, i built in another video
card.

Now both work if i start only one XServer. Each has its own config file.
All is fine until i try starting my servers with the -sharevts option.

This causes the image to be only half on the screen and moving a little
further out everytime a press any key. I cant enter stuff into gdms
textboxes.

I assume that i have to run the xservers with the sharevts option to be
able to see both without having to switch with ctrl-alt-f7 or f8 from
one to another, right?


I tried a gdm config like this :

[servers]
0=Standard
0=Standard2

[server-Standard]
name=Standard server
command=/usr/X11R6/bin/X -br -audit 0 -sharevts
flexible=true

[server-Standard2]
name=Standard server
command=/usr/X11R6/bin/X -br -audit 0 -sharevts
-config /home/martin/Desktop/xorg.conf
flexible=true

this caused the main screen to show the described -sharevts behaviour
and the other to flicker from black to a different black.

Did i miss any cool über X argument that makes this work?

i think thats it for now :-) thanks for your time! 

cheers, Martin





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