This bug is a duplicate of this one (which has "expired") : https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/599017
It seems the problem is in xserver-xorg-video-intel.
This bug is a duplicate of this one (which has "expired") : /bugs.launchpad .net/ubuntu/ +source/ xserver- xorg-video- intel/+ bug/599017
https:/
It seems the problem is in xserver- xorg-video- intel.