I'm running 16.04 with xenial-proposed enabled and I'm experiencing random freezes like this a few times a day since kernel upgrade about two weeks ago.
$ uname -a
Linux vaclav-ntb 4.10.0-19-generic #21~16.04.1-Ubuntu SMP Fri Apr 7 08:20:02 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
I'm running 16.04 with xenial-proposed enabled and I'm experiencing random freezes like this a few times a day since kernel upgrade about two weeks ago.
$ uname -a
Linux vaclav-ntb 4.10.0-19-generic #21~16.04.1-Ubuntu SMP Fri Apr 7 08:20:02 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux