[systemd-devel] Two questions about logind and seats

nerdopolis bluescreen_avenger at verizon.net
Tue Aug 1 23:32:51 UTC 2017


On Tuesday, August 1, 2017 3:00:25 AM EDT Lennart Poettering wrote:
> On Mo, 31.07.17 21:24, nerdopolis (bluescreen_avenger at verizon.net) wrote:
> 
> > > > First, when I attach a 2nd graphics card to seat1, it seems CanMultisession is
> > > > set to 0. Is there a way to change that? or is that only supported on seat0, 
> > > > that supports the TTYs?
> > > 
> > > Yes, this is only supported where VTs are supported, and that is
> > > only seat0.
> >
> > Thanks, It's currently a kernel limitation I assume? I guess I'll worry about 
> > multiple sessions on non seat0 seats when it _is_ supported.
> 
> Yeah the VCs are drawn by the kernel, hence doing multi-session on
> other but the first seat would mean either updating the kernel or
> doing something purely in userspace with a userspace terminal
> renderer. David Hermann was working on something like this, but he
> lost interest.
> 
> Lennart
> 
> 
Out of curiosity, what would the likes of Weston, X, and other Display Servers
need on seats outside of seat0? A device to set KD_GRAPHICS on, like a special
type of pty or something?



More information about the systemd-devel mailing list