Yes, it works! I have a USB hub as master of seat1. The output below started just after I unplugged the hub, replugged it, unplugged it once more and replugged it again!
(And the seat output appears and disappears from the second monitor as expected) ------------------- pjssilva@leia:~$ loginctl list-seats SEAT seat0 1 seats listed. pjssilva@leia:~$ loginctl list-seats SEAT seat0 seat1 2 seats listed. pjssilva@leia:~$ loginctl list-seats SEAT seat0 1 seats listed. pjssilva@leia:~$ loginctl list-seats SEAT seat0 seat1 2 seats listed. --------------------- Congratulations! best, Paulo 2014-08-18 18:05 GMT-03:00 Laércio de Sousa <[email protected]>: > If you wanna play with it, tag a removable device (USB hub, keyboard, mouse) > as master-of-seat and try to unplug/replug it. See if LightDM removes/adds > the seat correctly. > > Em 18/08/2014 16:41, "Laércio de Sousa" <[email protected]> escreveu: > >> Great news! Glad to see it works for you now! Let's wait for review on our >> merge into upstream proposal... >> >> Kind regards, >> >> CANTATE DOMINO CANTICUM NOVUM >> QUIA MIRABILIA FECIT >> >> Laércio >> >> >> 2014-08-18 16:32 GMT-03:00 [email protected] <[email protected]>: >>> >>> I think I found out the problem. >>> >>> In my udev rules the master of seat rule for seat1 was wrong. I fixed >>> it by setting a USB port as master of seat (instead of the graphics >>> card, I am not being able to get the right devpath for the second >>> graphics card for some reason). >>> >>> So now my lightdm.conf is basically empty as you said and it works. >>> >>> best, >>> >>> Paulo >>> >>> 2014-08-18 16:25 GMT-03:00 Laércio de Sousa <[email protected]>: >>> > Hum... How many seats are listed when you run "loginctl list-seats"? >>> > >>> > CANTATE DOMINO CANTICUM NOVUM >>> > QUIA MIRABILIA FECIT >>> > >>> > Laércio >>> > >>> > >>> > 2014-08-18 16:21 GMT-03:00 [email protected] <[email protected]>: >>> > >>> >> If I do that then lightdm only tries to start one seat. >>> >> >>> >> See the lightdm.log? How do I tell it that I want two seats? >>> >> >>> >> best, >>> >> >>> >> Paulo >>> >> >>> >> 2014-08-18 16:13 GMT-03:00 Laércio de Sousa <[email protected]>: >>> >> > Hi, >>> >> > >>> >> > If that's all you have in your lightdm.conf file, you can safely >>> >> > remove >>> >> > it, >>> >> > as property xdg-seat is automatically set. Those [AutoSeat:*] config >>> >> > sections will only be useful for settings like autologin-user and >>> >> > xserver-command. >>> >> > >>> >> > After cleaning up your lightdm.conf file, try to restart lightdm >>> >> > service. >>> >> > >>> >> > Kind regards, >>> >> > >>> >> > CANTATE DOMINO CANTICUM NOVUM >>> >> > QUIA MIRABILIA FECIT >>> >> > >>> >> > Laércio >>> >> > >>> >> > >>> >> > 2014-08-18 16:05 GMT-03:00 [email protected] <[email protected]>: >>> >> > >>> >> >> Hi, >>> >> >> >>> >> >> I am afraid the new packages completely broke my setup. I tried do >>> >> >> update my old lightdm.conf from >>> >> >> >>> >> >> ---- Original Lightdm.conf ---- >>> >> >> >>> >> >> [Seat:0] >>> >> >> xdg-seat=seat0 >>> >> >> >>> >> >> [Seat:1] >>> >> >> xdg-seat=seat1 >>> >> >> xserver-vt=0 >>> >> >> >>> >> >> ----------------------------------------- >>> >> >> >>> >> >> To what I thought should be the new file >>> >> >> >>> >> >> -------- New lightdm.conf ----------- >>> >> >> [AutoSeat:0] >>> >> >> xdg-seat=seat0 >>> >> >> >>> >> >> [AutoSeat:1] >>> >> >> xdg-seat=seat1 >>> >> >> >>> >> >> ---------------------------------------------- >>> >> >> >>> >> >> But only seat1 starts. I don't know where to start to debug, as I >>> >> >> am >>> >> >> not sure about what may be happening. I tried to look at the >>> >> >> /var/log/lightdm files, that I send attached. Almost everything >>> >> >> looks >>> >> >> the same when comparing seat0 and seat1, but the x-1-greeter.log >>> >> >> seems >>> >> >> to show problems that I don't know how to interpret. >>> >> >> >>> >> >> Any hints? >>> >> >> >>> >> >> Paulo >>> >> >> >>> >> >> 2014-08-15 17:15 GMT-03:00 Laércio de Sousa <[email protected]>: >>> >> >> > Hello there! >>> >> >> > >>> >> >> > After some days of tests with successfull results, I'm now moving >>> >> >> > our >>> >> >> > latest >>> >> >> > lightdm packages for trusty to Ubuntu Multiseat main PPA. >>> >> >> > >>> >> >> > These packages contain two important patches: >>> >> >> > >>> >> >> > * Implement automatic multiseat support. Custom settings for >>> >> >> > automatically >>> >> >> > added seats can be set in [AutoSeat:*] sections (example: >>> >> >> > [AutoSeat:Foo] >>> >> >> > will match logind seat ID "seatFoo"). Related bug #1190581 >>> >> >> > >>> >> >> > * Add new seat option start-local-sessions, which can be >>> >> >> > explicitly >>> >> >> > set >>> >> >> > to >>> >> >> > false in order to make lightdm start a bare (no greeter) X server >>> >> >> > (needed >>> >> >> > for Xephyr-based multiseat setups). Related bug #1356332 >>> >> >> > >>> >> >> > Wiki page should be updated to reflect these new features. All >>> >> >> > previous >>> >> >> > manual seat configuration in lightdm.conf should be >>> >> >> > edited/removed. >>> >> >> > >>> >> >> > CANTATE DOMINO CANTICUM NOVUM >>> >> >> > QUIA MIRABILIA FECIT >>> >> >> > >>> >> >> > Laércio >>> >> >> > >>> >> >> > -- >>> >> >> > Mailing list: https://launchpad.net/~ubuntu-multiseat >>> >> >> > Post to : [email protected] >>> >> >> > Unsubscribe : https://launchpad.net/~ubuntu-multiseat >>> >> >> > More help : https://help.launchpad.net/ListHelp >>> >> >> > >>> >> >> >>> >> >> >>> >> >> >>> >> >> -- >>> >> >> Paulo José da Silva e Silva >>> >> >> Professor Associado, Dep. de Matemática Aplicada >>> >> >> (Associate Professor, Applied Mathematics Dept.) >>> >> >> University of Campinas - Brazil >>> >> >> >>> >> >> Web: http://www.ime.unicamp.br/~pjssilva >>> >> > >>> >> > >>> >> >>> >> >>> >> >>> >> -- >>> >> Paulo José da Silva e Silva >>> >> Professor Associado, Dep. de Matemática Aplicada >>> >> (Associate Professor, Applied Mathematics Dept.) >>> >> University of Campinas - Brazil >>> >> >>> >> Web: http://www.ime.unicamp.br/~pjssilva >>> > >>> > >>> >>> >>> >>> -- >>> Paulo José da Silva e Silva >>> Professor Associado, Dep. de Matemática Aplicada >>> (Associate Professor, Applied Mathematics Dept.) >>> University of Campinas - Brazil >>> >>> Web: http://www.ime.unicamp.br/~pjssilva >> >> > -- Paulo José da Silva e Silva Professor Associado, Dep. de Matemática Aplicada (Associate Professor, Applied Mathematics Dept.) University of Campinas - Brazil Web: http://www.ime.unicamp.br/~pjssilva -- Mailing list: https://launchpad.net/~ubuntu-multiseat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-multiseat More help : https://help.launchpad.net/ListHelp

