[systemd-devel] Multiseat session creation fail, VT number not 0

[David Herrmann]

@Lennart

ping?

I'm not sure what to do to fix that properly.

Thanks
David

On Fri, Jan 3, 2014 at 3:51 PM, David Herrmann <dh.herrmann at gmail.com> wrote:
> Hi
>
> On Fri, Jan 3, 2014 at 3:24 PM, Matthew Monaco <matt at 0x01b.net> wrote:
>> I was having trouble getting a session on seat1 with v208, so I moved to git
>> which has a nicer error message than EINVAL:
>>
>> pam_systemd(lightdm:session): Asking logind to create session: uid=1000 pid=637
>> service=lightdm type=x11 class=user seat=seat1 vtnr=2 tty= display=:1 remote=no
>> remote_user= remote_host=
>
> Yeah, that vtnr=2 line is wrong. You really shouldn't set any VTNR if
> seat!=seat0. I think the correct fix would be to set "vtnr=0" in
> get_seat_from_display() in pam-module.c if we're not on seat0.
>
> As Lennart changed that during the sd-bus transition (if I read the
> history correctly..), maybe he can comment on that.
>
> Another related commit is this:
>   http://cgit.freedesktop.org/systemd/systemd/commit/src/login?id=c506027af881a9e4210845a7a8a6ec5910aa0f3b
> Which I am still not sure is the correct thing to do.
>
> Thanks
> David
>
>>
>> pam_systemd(lightdm:session): Failed to create session: Seat has no VTs but VT
>> number not 0
>>
>> I'm using lightdm 1.8.5. My X servers are
>>
>> /usr/sbin/X :0 -config xorg-seat0.conf -seat seat0 -auth /run/lightdm/root/:0
>> -nolisten tcp vt1 -novtswitch
>>
>> /usr/sbin/X -sharevts :1 -config xorg-seat1.conf -seat seat1 -auth
>> /run/lightdm/root/:1 -nolisten tcp vt2 -novtswitch
>>
>> (I have no problems with seat0).
>>
>> This same setup used to work with systemd ~v205, but I have used multiseat in a
>> while do to a move.
>>
>> So, I don't understand where the failure is. Is lightdm starting X on the wrong
>> vt? Why is vt2/tty2 not allowed for a second seat?
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