Re: [Xen-devel] clock drift in Xen 4.0.0

To:	James Harper <james.harper@xxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] clock drift in Xen 4.0.0
From:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date:	Tue, 25 May 2010 07:55:16 +0100
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On 25/05/2010 07:50, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> Are there any known problems with clock drift in Xen 4.0.0? One DomU
> with an uptime of 49 days is now 7 minutes in front. I never noticed the
> problem before I upgraded.
> 
> /proc/sys/xen/independent_wallclock=0

Are you running NTP? 100ppm drift isn't unbelievable without external
synchronisation.

 -- Keir

> James
> 
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Re: [Xen-devel] clock drift in Xen 4.0.0