Thank you for your bug report, when did you upgrade? could you try if downgrading lightdm to the previous version: https://launchpad.net/ubuntu/+source/lightdm/0.9.7-0ubuntu2 is fixing the issue for you?
Thank you for your bug report, when did you upgrade? could you try if downgrading lightdm to the previous version: /launchpad. net/ubuntu/ +source/ lightdm/ 0.9.7-0ubuntu2
https:/
is fixing the issue for you?