still waiting for answer to question on comment #1 Additional information, it seems that the power8 workers have changed their distro (at least kernel version) as per comparison of autoinst-log.txt: === === 20170104 passed running on power8:16 (Linux 3.12.48-0-default #1 SMP Tue Sep 29 21:05:12 UTC 2015 (8ef8c3e) ppc64le) === === 20170110 failed: running on power8:2 (Linux 4.8.14-1-default #1 SMP Mon Dec 12 07:58:11 UTC 2016 (ab53e9a) ppc64le) ===