Well, just for information, 3.13.0-45-generic works fine for me (and 3.13.0-44 wasn't): uname -a Linux tnl-N76VJ 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Well, just for information, 3.13.0-45-generic works fine for me (and 3.13.0-44 wasn't):
uname -a
Linux tnl-N76VJ 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux