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Re: Splitting outputs on one video card into 2 seats?


Ah!  I would not have guessed that would be how it could be made to work.

I just found your launchpad ticket that describes this use case @

I'm going to check that out as a starting point and try to get a bit more
up to speed.


 On Nov 24, 2014 8:10 AM, "Laércio de Sousa" <lbsousajr@xxxxxxxxx> wrote:

> Hi,
> In principle it's possible to do this using a nested-X-server approach. It
> will require you to
> 1. Provide a Upstart/systemd service, that starts before LightDM/GDM,
> which launches a bare Xorg server spanning all avaliable outputs.
> 2. Install package xserver-xorg-video-nested (available in Ubuntu
> Multiseat PPA) and provide a suitable xorg.conf.
> I'll try to write a tutorial in Ubuntu Multiseat wiki ASAP.
> Kind regards,
> Em Mon Nov 24 2014 at 07:47:29, Garth Dahlstrom <ironstorm@xxxxxxxxx>
> escreveu:
>> Hi,
>> I'm not sure where to ask this question, so I am posting it to your list.
>>  (I can't post to "Answers", or I would have posted it there)
>> I have an Asus Chromebox running Ubuntu 14.10 which has an Intel video
>> card with an HDMI and a DisplayPort port and 4 usb ports.
>> The video card is able to power both video outputs simultaneously, but I
>> would like to split them into seats so that input can be segregated from
>> the displays so I can run one seat with MytthTV/XMBC and other with a
>> monitor for doing work.
>> My question is whether it is possible to assign outputs on the same video
>> cards to different seats?   If so, how do I go about configuring that?
>> (lightdm.conf w/ 2 seats each to different xorg.confs? what do I do in
>> each? Or 1 xorg.conf with some extra tags?)
>> Hopefully you can point me in the right direction.
>> Cheers,
>> -G
>> --
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