Re: [Xen-users] time synchronization problem (using NTP)

[Thomas Schneider <listen@xxxxxxxxxx>]

Hi!

--On 11. Oktober 2006 05:55:44 -0400 Thomas Harold <tgh@xxxxxxxxxxxx> wrote:

> Ulrich Windl wrote:
> > Hi,
> >
> > using SLES10 I'm unable to synchronize the time of DomU with that of
> > Dom0. There  is a persistent offset of about 3 seconds!
> (laughs) I just happen to be working on this myself.  All of my DomUs are
> about 15 seconds fast compared to the Dom0 and I've been searching the
> archives to figure out why this happens.
As far as my experience shows, none of the ntp / independent_wallclock 
combinations work. We got the same problem here with xen 3.0.2 and kernel 
2.6.16. It looks like ntpd can't set the time in DomUs with 
independent_wallclock set to 1 but the DomUs aren't using the exact time of 
Dom0 with independent_wallclock set to 0.
With knowing that we decided to wait for kernel release 2.6.18 because some 
stuff regarding hwclock und system-clock was changed.
Maybe someone else can give us a better answer what to do with that?

Thanks,

Tom

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