Connecting two display-link USB2 to HDMI adapters, I can successfully extend my desktop in Ubuntu 14.04.
Following the excellent MultiseatTeam instructions [1], adding the PPA, installing the patched packages, I successfully use 'loginctl attach' to tag my devices [2], and I tweak the lightdm configuration [3]. However, when I login to lightdm, I still see the three screens attached to the session, and only one X server is started [4]; looking at the PPA, is this because there is no lightdm built for trusty with Richard changes? Thanks! Daniel [1] https://wiki.edubuntu.org/MultiseatTeam/Instructions -- [2] $ loginctl list-seats SEAT seat0 seat1 seat2 3 seats listed. $ loginctl seat-status seat0 seat0 Sessions: *c2 Devices: ├─/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 │ input:input1 "Power Button" ├─/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input7 │ input:input7 "Video Bus" ├─/sys/devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0 │ input:input0 "Power Button" ├─/sys/devices/pci0000:00/0000:00:02.0/drm/card0 │ drm:card0 ├─/sys/devices/pci0000:00/0000:00:02.0/graphics/fb0 │ [MASTER] graphics:fb0 "inteldrmfb" ├─/sys/devices/pci0000:00/0000:00:14.0/usb3 │ usb:usb3 ├─/sys/devices/pci0000:00/0000:00:14.0/usb4 │ usb:usb4 ├─/sys/devices/pci0000:00/0000:00:1a.0/usb1 │ usb:usb1 │ └─/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1 │ usb:1-1 │ ├─/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.2/0003:046D:C52B.0003/input/input4 │ │ input:input4 "Logitech Unifying Device. Wireless PID:4102" ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0 │ sound:card0 "PCH" │ ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input10 │ │ input:input10 "HDA Intel PCH HDMI/DP,pcm=3" │ ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input11 │ │ input:input11 "HDA Intel PCH HDMI/DP,pcm=7" │ ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input8 │ │ input:input8 "HDA Intel PCH Mic" │ └─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input9 │ input:input9 "HDA Intel PCH Line Out" ├─/sys/devices/pci0000:00/0000:00:1d.0/usb2 │ usb:usb2 │ └─/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1 │ usb:2-1 ├─/sys/devices/virtual/misc/kvm │ misc:kvm └─/sys/devices/virtual/misc/rfkill misc:rfkill $ loginctl seat-status seat1 seat1 Devices: ├─/sys/devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/drm/card1 │ drm:card1 └─/sys/devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/graphics/fb1 [MASTER] graphics:fb1 "udldrmfb" $ loginctl seat-status seat2 seat2 Devices: ├─/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/drm/card2 │ drm:card2 ├─/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/graphics/fb2 │ [MASTER] graphics:fb2 "udldrmfb" └─/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input6 input:input6 " USB OPTICAL MOUSE" -- [3] /etc/lightdm/multiseat.conf [SeatDefaults] user-authority-in-system-dir=true [Seat:0] xdg-seat=seat0 [Seat:1] xdg-seat=seat1 xserver-vt=0 [Seat:2] xdg-seat=seat2 xserver-vt=0 [4] http://quora.org/2014/lightdm.log -- 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
