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

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 26/05/2010 10:33, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

>> What domU and dom0 kernel are you running?  pvops always has
> independent
>> wallclock.
> 
> Dom0 is 2.6.31.12 (pvops), domU is 2.6.18.8 (not pvops). Which one
> matters here?

I think pv_ops doesn't play with dependent-wallclock either way round: It
won't resync its wallclock with Xen when running as domU; nor will it
periodically push its wallclock down to Xen when running as dom0. So if you
have pv_ops as the dom0 or the domU, you'd better run NTP in the domU.

 -- Keir



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