Comment 8 for bug 1190425

verify condition: ubuntu 12.04.3 in virtualbox.

--------------------
[test case]
$ sudo mkdir -p /etc/lightdm/lightdm.conf.d
$ create 10-ubuntu.conf
$ cat /etc/lightdm/lightdm.conf.d/10-ubuntu.conf
[SeatDefaults]
autologin-user=username-on-system

- system reboot
-> I can't autologin
--------------------

enable precise proposed & install lightdm package

$ sudo apt-get install -t precise-proposed lightdm

upgrade lightdm 1.2.3-0ubuntu2.3 1.2.3-0ubuntu2.4

--------------------
[verification case]
$ sudo mkdir -p /etc/lightdm/lightdm.conf.d
$ create 10-ubuntu.conf
$ cat /etc/lightdm/lightdm.conf.d/10-ubuntu.conf
[SeatDefaults]
autologin-user=username-on-system

- system reboot
-> I can autologin
(delete 10-ubuntu.conf or /etc/lightdm/lightdm.conf.d -> I can't autologin)
--------------------

good works & thank you.