Re: [Xen-users] Time diferrence between dom0 and domU

[Bartosz Lis <bartoszl@xxxxxxxxxxxxx>]

Dnia piątek, 6 listopada 2009 o 15:24:29 Bartosz Lis napisał(a):
> Dnia piątek, 6 listopada 2009 o 10:43:47 Jordi Espasa Clofent napisał(a):
> > First of all, thanks for your response Bartosz. ;)
> >
> > > I'm facing similar problems. My ocnfiguration: XEN 3.4.1 + kernel from
> > > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=x
> > >en /master
> >
> > I've suffered this trouble since 3.0.x version. What a pity!
> >
> > > 1. Just afer DomU starts it's time differs from dom0 clocks: software
> > > (date) and hardware (hwclock --show --utc). In my case it's ~10s. It's
> > > not caused by wrong /etc/localtime. If it were, then round hours would
> > > be the difference.
> >
> > Mmmm... I think I don't understand completely what you say. Could you
> > elaborate more this argument please?
> 
> Jordi,
> 
> Sorry for writing the above line in a hurry.
> 
> I observe, that my domU clock differs from dom0 clock from the very
>  beginning. 

... still writing in a hurry ... I mean: from the very beginning of domU work 
- probably domU boots with distorted time.

>  Thus I think it's something wrong with xen tools that setup a
>  new domain or the prblem is caused by hypervisor or kernel that miss some
>  number of clock ticks during kernel boot.


-- 
Bartosz Lis @ Institute of Comp. Science, Technical University of Lodz, Poland
   bartoszl @ ics.p.lodz.pl

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