amd64 HVM(+PV) domUs: losing 10+ minutes a day

William Pitcock nenolod at systeminplace.net
Wed Aug 24 20:23:27 UTC 2011


On Wed, 24 Aug 2011 12:02:42 -0700
Sean Bruno <seanbru at yahoo-inc.com> wrote:

> On Wed, 2011-08-24 at 02:24 -0700, DeuZa wrote:
> > > I tried setting machdep_disable_rtc_set to 1, but it made no
> > > difference.
> > >
> > 
> > Hello,
> > 
> > Same thing here wth machdep_disable_rtc_set 1, always :
> > 
> > Aug 24 10:00:06 mouette kernel: rtc0: [XEN] xen_rtc_settime
> > 
> > 
> > > DeuZa: Are you running i386 PV or amd64/HVM+PV ?
> > >
> > 
> > I just check on this VPS it's i386
> > 
> > It's your ntpd is up and running with
> > "machdep.independent_wallclock=1" ??
> > 
> > Regards,
> > 
> 
> Just to be clear, did you set the /proc/sys/xen/independent_wallclock
> to 1 on the dom0 ?
> 
> sean

That shouldn't matter, and for example, in pvops Linux, the wallclock is
always independent of dom0 regardless of how dom0 is configured.

William


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