On Fri, Oct 16, 2015 at 7:33 AM, Tod <listacctc at gmail.com> wrote: > Not sure if this is the correct subject line but my recently installed > Centos build (Linux localhost.localdomain 3.10.0-229.14.1.el7.x86_64 #1 SMP > Tue Sep 15 15:05:51 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux) periodically > just freezes - completely locks up, no activity, nothing in the logs, just > stops dead requiring a power off and reboot. "nothing in the logs"? Have you run memtest for an extended period of time? You might first want to eliminate the possibility that this is a hardware problem. Akemi