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Date:      Wed, 11 Feb 2009 12:03:52 +0100 (CET)
From:      Kai Mosebach <xen@komadev.de>
To:        =?utf-8?Q?Bj=C3=B6rn_JACKE?= <bj@SerNet.DE>
Cc:        freebsd-xen@freebsd.org
Subject:   Re: DomU time resets
Message-ID:  <26077784.42351234350232426.JavaMail.root@zim.freshx.de>
In-Reply-To: <E1LXCZT-00DWoI-CJ@intern.SerNet.DE>

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Hi Bj=C3=B6rn,

This is a known problem (see other mails on the list)
The only workaround at the moment is setting this in the dom0:

sysctl xen.independent_wallclock=3D1

Best Kai

----- "Bj=C3=B6rn JACKE" <bj@SerNet.DE> schrieb:

> Hi,
>=20
> with CURRENT FreeBSD kernel I have the problem that time periodically
> jumps
> back to Sep 16 08:46. That happens every couple of minutes. I set up a
> cron job
> setting the correct time via ntpdate every minute but that is a
> problem when
> the time jump happens during ntpdate is just running - it hangs then.
> There is
> no cpu and no io load on the machine which might correlate with the
> time jumps.
> Any idea what might cause the problem? XEN is 3.2.0 with Linux Dom0.
>=20
> Bj=C3=B6rn
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