Alex, could you do what I've explained on comment #6 (https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1552537/comments/6).
Also providing your auth.log could help.
Alex, could you do what I've explained on comment #6 (https:/ /bugs.launchpad .net/ubuntu/ +source/ unity/+ bug/1552537/ comments/ 6).
Also providing your auth.log could help.