I have more or less the same problem, and create a new bug few days ago.. But in my case, I use a AMD GPU https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1298650
I have more or less the same problem, and create a new bug few days ago.. /bugs.launchpad .net/ubuntu/ +source/ fglrx-installer /+bug/1298650
But in my case, I use a AMD GPU
https:/