As I reported in the comment #12 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/919888/comments/12 I already upgraded to the version and it didn't change the problematic behaviour.
As I reported in the comment #12 https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/919888/ comments/ 12 I already upgraded to the version and it didn't change the problematic behaviour.