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Date:      Fri, 6 Jun 2008 17:34:16 -0400
From:      Sean Cavanaugh <millenia2000@hotmail.com>
To:        <freebsd-questions@freebsd.org>
Subject:   RE: vmware timekeeping
Message-ID:  <BAY126-W1671FB121979728C34AA29CAB70@phx.gbl>
In-Reply-To: <200806062048.m56Kmhtl071591@mail.icsmx.com>
References:  <48499CCD.2010708@m2.seamanpaper.com> <200806062048.m56Kmhtl071591@mail.icsmx.com>

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> Date: Fri, 6 Jun 2008 15:48:46 -0500
> To: freebsd-questions@freebsd.org
> From: jbiquez@icsmx.com
> Subject: Re: vmware timekeeping
>=20
> At 03:23 p.m. 06/06/2008, you wrote:
>>I'm running FreeBSD 6.3-release as a guest on VMware ESX 3.0.2.  My=20
>>problem is that the clock keeps *gaining* time.  I have the=20
>>"timesync" option turned on in ESX's .vmx file, and I have=20
>>"hint.apic.0.disabled=3D1" in my FreeBSD guest's /boot/loader.conf.
>>
>>I used to have "kern.hz=3D100" in loader.conf, but that caused the=20
>>guest to gain time even faster.
>>
>>Does anyone have a good recipe for decent timekeeping in this config?
>>
>>Thanks.
>>_______________________________________________
>>freebsd-questions@freebsd.org mailing list
>>http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o=
rg"
>=20
> Hello all.
>=20
> Here is something similar. Running 6.2 stable... but the clock lose=20
> around 6 hours each day
>=20
> JB
>=20


The only good way of keeping time pretty set is to set up an NTP sync on th=
e image to go off at decently constant rate (once every 3 hours or so). the=
 vmware-tools will not synchronize the system clock.
I heard of someone trying to change the clock in BSD to only use the hardwa=
re clock as VMWare can reset that but never heard anything beyond that.=20

-Sean=



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