Hi there! Em 02/03/2014 16:22, "Daniel J Blueman" <[email protected]> escreveu: > > Hi guys, > > 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? > > Many thanks! > Daniel >
Hi Daniel! 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. > -- [1] /etc/init/lightdm.conf > > # LightDM - light Display Manager > # > # The display manager service manages the X servers running on the > # system, providing login and auto-login services > # > # based on gdm upstart script > > description "LightDM Display Manager" > author "Robert Ancell <[email protected]>" > > start on ((filesystem > and runlevel [!06] > and started dbus > and plymouth-ready) > or runlevel PREVLEVEL=S) > > stop on runlevel [016] > > emits login-session-start > emits desktop-session-start > emits desktop-shutdown > > script > if [ -n "$UPSTART_EVENTS" ] > then > # Check kernel command-line for inhibitors, unless we are being called > # manually > for ARG in $(cat /proc/cmdline); do > if [ "$ARG" = "text" ]; then > plymouth quit || : > stop > exit 0 > fi > done > > [ ! -f /etc/X11/default-display-manager -o "$(cat > /etc/X11/default-display-manager 2>/dev/null)" = "/usr/bin/lightdm" -o > "$(cat /etc/X11/default-display-manager 2>/dev/null)" = > "/usr/sbin/lightdm" ] || { stop; exit 0; } > > if [ "$RUNLEVEL" = S -o "$RUNLEVEL" = 1 ] > then > # Single-user mode > plymouth quit || : > exit 0 > fi > fi > > # start parent X server > /usr/bin/Xorg :0 -nolisten tcp vt7 & > until xrefresh -display :0.0 2>/dev/null; do sleep 0.2; done > > exec lightdm > end script > > post-start script > sleep 5 > clear > /dev/tty7 > end script > > post-stop script > if [ "$UPSTART_STOP_EVENTS" = runlevel ]; then > initctl emit desktop-shutdown > fi > killall /usr/bin/Xorg || : > end script > > -- [2] /usr/share/X11/xorg.conf.d/90-multiseat.conf > > Section "ServerLayout" > Identifier "Layout" > Screen "screen0" > Screen "screen1" Below "screen0" > > Option "AllowMouseOpenFail" "true" > Option "DontVTSwitch" "yes" > Option "DontZap" "yes" > EndSection > > Section "Device" > Identifier "card0" > Driver "intel" > Option "AccelMethod" "SNA" > Option "ZaphodHeads" "HDMI1" > Screen 0 > EndSection > > Section "Device" > Identifier "card1" > Driver "intel" > Option "AccelMethod" "SNA" > Option "ZaphodHeads" "HDMI2" > Screen 1 > EndSection > > Section "Screen" > Identifier "screen0" > Device "card0" > EndSection > > Section "Screen" > Identifier "screen1" > Device "card1" > EndSection > > -- [2] /etc/lightdm/lightdm.conf.d/90-multiseat.conf > > [SeatDefaults] > user-authority-in-system-dir=true > autologin-user-timeout=10 > autologin-session=ubuntu > xserver-command=/usr/local/bin/xephyr-wrapper > > [Seat:0] > xdg-seat=seat0 > autologin-user=me1 > > [Seat:1] > xdg-seat=seat1 > autologin-user=me2 > xserver-vt=0 > > -- [3] /usr/local/bin/xephyr-wrapper > > #!/bin/bash > > export DISPLAY=:0.$((${1#:}-1)) > declare -a argv=("$@") > > # drop incompatible args > for (( i=0; i<${#argv[@]}; i++ )); do > case ${argv[$i]} in > -novtswitch|-sharevts|vt7|-config|-layout) > argv[$i]="" > ;; > esac > done > > echo "Starting Xephyr on display $DISPLAY with ${argv[@]}" > exec /usr/bin/Xephyr -fullscreen ${argv[@]} > > -- [4] /etc/udev/rules.d/99-multiseat.rules > > DEVPATH=="/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2", > ENV{ID_SEAT}="seat1", TAG+="seat1" > > -- [5] udevadm test /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/ > > ... > ACTION=add > BUSNUM=001 > DEVNAME=/dev/bus/usb/001/005 > DEVNUM=005 > DEVPATH=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 > DEVTYPE=usb_device > DRIVER=usb > ID_BUS=usb > ID_MODEL=USB_OPTICAL_MOUSE > ID_MODEL_ENC=\x20USB\x20OPTICAL\x20MOUSE > ID_MODEL_FROM_DATABASE=Optical Mouse > ID_MODEL_ID=0a4d > ID_REVISION=0100 > ID_SEAT=seat1 > ID_SERIAL=15d9_USB_OPTICAL_MOUSE > ID_USB_INTERFACES=:030102: > ID_VENDOR=15d9 > ID_VENDOR_ENC=15d9 > ID_VENDOR_FROM_DATABASE=Trust International B.V. > ID_VENDOR_ID=15d9 > MAJOR=189 > MINOR=4 > PRODUCT=15d9/a4d/100 > SUBSYSTEM=usb > TAGS=:seat1: > TYPE=0/0/0 > USEC_INITIALIZED=19896680505 > unload module index > -- > 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
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