This kernel works: /~kernel-ppa/mainline/v3.13.11.9-trusty
$ uname -a $ Linux tnl-N76VJ 3.13.11-03131109-generic #201410141735 SMP Tue Oct 14 21:37:14 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
This kernel works: /~kernel- ppa/mainline/ v3.13.11. 9-trusty
$ uname -a 03131109- generic #201410141735 SMP Tue Oct 14 21:37:14 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
$ Linux tnl-N76VJ 3.13.11-