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Date:      Wed, 04 May 2005 16:20:21 -0500
From:      "W. D." <WD@US-Webmasters.com>
To:        freebsd-questions@freebsd.org
Cc:        Ryan Winograd <rylwin@houston.rr.com>
Subject:   Re: Clock running fast
Message-ID:  <5.1.0.14.2.20050504161925.425f3100@209.152.117.178>
In-Reply-To: <20050504210729.GA9758@xor.obsecurity.org>
References:  <5.1.0.14.2.20050504154906.4311e370@209.152.117.178> <42792740.3040501@houston.rr.com> <5.1.0.14.2.20050504154906.4311e370@209.152.117.178>

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At 16:07 5/4/2005, Kris Kennaway wrote:
>On Wed, May 04, 2005 at 03:51:05PM -0500, W. D. wrote:
>> At 14:49 5/4/2005, Ryan Winograd, wrote:
>> >Hi all,
>> >I recently noticed that the system clock on a machine i recently set up=
=20
>> >is running very quickly, about 2x realtime by my measuring. What can i=
=20
>> >do to solve/investigate this problem? What information would be helpful?
>>=20
>> http://www.Google.com/search?q=3Dinstall+ntp+on+FreeBSD
>
>Unfortunately ntp will not always help in these situations, because
>the time is changing too quickly/slowly to keep up with.  The OP
>should check whether changing the kern.timecounter.hardware sysctl to
>one of the other values listed in kern.timecounter.choice will fix the
>problem (they are ranked in order of quality).  Also look for a BIOS
>update for your system - that may fix it.
>
>Kris

Also: sometimes the clock speeds up when the battery is dying.

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