Have rebooted 40 times without this issue with 3.13.0-44 (linux-headers-3.13.0-44-generic, linux-image-3.13.0-44-generic and linux-image-extra-3.13.0-44-generic).
Have rebooted 40 times without this issue with 3.13.0-44 (linux- headers- 3.13.0- 44-generic, linux-image- 3.13.0- 44-generic and linux-image- extra-3. 13.0-44- generic) .