On 3 March 2014 23:26, Laércio de Sousa <[email protected]> wrote: > Em 03/03/2014 12:19, "Daniel J Blueman" <[email protected]> escreveu: >> On 3 March 2014 22:52, Laércio de Sousa <[email protected]> wrote: >> > Em 02/03/2014 17:38, "Laércio de Sousa" <[email protected]> escreveu: >> >> Em 02/03/2014 16:22, "Daniel J Blueman" <[email protected]> escreveu: >> >> > Using Ubuntu 13.10 i686 and the superb work in the ubuntu-multiseat >> >> > PPA, I run a configured X server on a dual-output Intel GPU (started >> >> > from a modified lightdm upstart script [1]): >> >> > # /usr/bin/Xorg :0 -nolisten tcp vt7 >> >> > >> >> > then start configured [2] lightdm, which in turn runs the Xephyr >> >> > wrapper [3]. Both user sessions start; so far so good. >> >> > >> >> > Since I need to also attach touchscreen and sound to the screens, I >> >> > have to use udev tags, so I assign a mouse the 'seat1' tag [4,5] and >> >> > it isn't listed in 'loginctl seat-status seat0' as expected, but it >> >> > doesn't move the cursor on the second head (or first). >> >> > >> >> > loginctl shows only a single seat, despite both Xephyr servers being >> >> > passed '-seat seat0' and '-seat1' (which isn't listed in 'Xephyr >> >> > -help): >> >> > $ loginctl list-seats >> >> > SEAT >> >> > seat0 >> >> > >> >> > 1 seats listed. >> >> > >> >> > Any idea what I'm missing? >> [] >> >> In order to create a new seat in logind, you need to have at least one >> >> device udev-tagged as master-of-seat attached to it. Try to write a >> >> udev >> >> rule that tags one of your seat1 devices as master-of-seat. >> > >> > Moreover, you also need a Xephyr built with configure option >> > --enable-kdrive-evdev (like the one available in Multiseat PPA). Then >> > you >> > need to pass explictly the devpaths of your input devices to Xephyr with >> > options -keybd and -mouse. Xephyr doesn't recognize option -seat >> > directly. >> >> Yes, that seems to be what I'm finding. The updated udev rules [1] >> work nice [2], but the mouse from the Xephyr seat0 can move onto the >> seat1 screen, despite: [] >> For the system I'll be setting up, there will be three touchscreen >> monitors with sound via HDMI on a triple-output Intel GPU, so I'm out >> of luck with the -mouse and -keybd options. >> >> Maybe you or Richard know if anyone has had any luck with eg MDM or >> other solutions (Wayland?), rather than Xephyr? > > Well... I'm working on a binary wrapper for Xephyr (see > http://launchpad.net/multi-seat-xephyr) that does almost everything you > want. I've used it quite well in openSUSE, but I didn't package it for > Ubuntu yet. Maybe I can build the Ubuntu package this week.
Wow, that's a good plan. I'll take a look into this, and as a backup, see if I can get Weston (Wayland) running nicely, as it'll have much less overhead. Thanks again, Daniel -- Daniel J Blueman -- Mailing list: https://launchpad.net/~ubuntu-multiseat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-multiseat More help : https://help.launchpad.net/ListHelp

