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I have multiscreen setup on my Ubuntu machine with Ubuntu12.10, Intel integrated HD Grahics and NVidia GeForce 210. The lightdm version is 1.2.3.

I am facing two problems on the setup

1) On pressing CTRL-C the lightdm on Seat-0 restarts. I searched on the Internet and found out that this is a bug in lightdm package (https://bugs.launchpad.net/ubuntu/+bug/893590). But I am not sure how to update the package as APT says that the package is newest.

2) After the system starts, on Seat-1 there is a empty Ubuntu background with no options on it. Although if I explicitly start any application on that display(:1) from Seat-0, it works fine.

pasting lightdm.conf :

[SeatDefaults]
autologin-guest=false
autologin-session=lightdm-autologin
greeter-session=unity-greeter
user-session=ubuntu
autologin-user=username

[LightDM]
minimum-display-number=0  
minimum-vt=7

[Seat:0]
xserver-layout=seat0
xserver-command=/usr/bin/X :0 -layout seat0 vt7 -novtswitch -sharevts

[Seat:1]
xserver-layout=seat1
xserver-command=/usr/bin/X :1 -layout seat1 vt8 -novtswitch -sharevts

Please take a look if there is anything missing in lightdm.conf to get this thing working

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