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Date: Wed, 7 Aug 1996 05:19:33 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199608061919.FAA16470@godzilla.zeta.org.au>
To: freebsd-current@freefall.freebsd.org, kuku@gilberto.physik.rwth-aachen.de
Subject: Re: time calibration messages - to worry about?
Sender: owner-current@FreeBSD.ORG
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>I'm getting these kernel messages during boot:

>Jul 27 16:00:14 isdn /kernel: Calibrating clock(s) relative to mc146818
>A clock...
>Jul 27 16:00:14 isdn /kernel: i8254 clock: 1217043 Hz
>Jul 27 16:00:14 isdn /kernel: 1217043 Hz differs from default of 119318
>2 Hz by more than 1%

This means that one of your clocks, or the clock calibration method, is
inaccurate by more than 1% (15 minutes/day).

Bruce