I was logged on to a couple of CentOS 6 servers when I saw this happen, and on each one the Java processes went absolutely haywire. Everything else seemed to wo

I was logged on to a couple of CentOS 6 servers when I saw this happen, and on each one the Java processes went absolutely haywire. Everything else seemed to work fine. I attempted to fix with adjtimex and the script in the linked question, but to no avail, in the end having to restart them all instead. After that, all was good again.