linux-image-4.4.0-116-generic_4.4.0-116.140~lp1745349Commitb0c3e8bd0405Reverted_amd64 seems to work here, 3 reboots in a row on one machine without hard locks.
linux-image- 4.4.0-116- generic_ 4.4.0-116. 140~lp1745349Co mmitb0c3e8bd040 5Reverted_ amd64
seems to work here, 3 reboots in a row on one machine without hard locks.