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Date: Wed, 21 Jan 2009 21:10:16 +0100
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To: Jeffrey Williams <jeff@sailorfej.net>
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Cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD 7, runaway clock as guest OS on Microsoft Virtual Server
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On 2009-01-21 20:41, Jeffrey Williams wrote:
> I am having a problem with the system clock running excessively fast, I 
> initially tried installing 7.1 release but received a nearly continuous 
> stream of the "calcru: runtime went backward errors"

Add the following to your /boot/loader.conf file:

kern.hz="100"

I always use this setting with FreeBSD under VMware, and it solves all
these timing problems for me.  (But YMMV.)

However, I am not sure what is at fault here, VMware or FreeBSD...  I'd
guess the latter, since neither Linux nor Windows guest OSes seem to
have any such timing problems.