[CentOS] Xen clock drift

Wed Jan 9 20:35:46 UTC 2008
Jack Bailey <jack at internetguy.net>

> A note by Johnny Hughes in http://bugs.centos.org/view.php?id=2189
> (comment 6644):
>
> "As a side note ... if the clock GAINS (runs to fast) time you should
> be able to fix it with this:
>
> http://kb.vmware.com/kb/1591
>
> (by setting the correct host.cpukHz) and vmware tools should adjust a
> clock that is too slow.
>
> Also see this blog entry concerning host.cpukHz:
>
> http://blog.autoedification.com/2006/11/vmware-guest-clock-runs-fast.html "

Taking the advice from a few people and web pages, I made this change to 
grub.conf:

        kernel /xen.gz-2.6.18-53.1.4.el5 divider=10 clock=pit

The clock is better but still not fixed.  It jumps forward less often.

Jack