Btw I booted a livecd of Ubuntu 16.04.1 with kernel 4.4.0-31 and that can sleep/resume fine. So the issue seems to be with 4.4.0-38, at least with me.
Btw I booted a livecd of Ubuntu 16.04.1 with kernel 4.4.0-31 and that can sleep/resume fine. So the issue seems to be with 4.4.0-38, at least with me.