Re: [Xen-users] ntpd under Xen Dom0 exhibits extremely high jitter/noise? runs stable/quiet under non-xen kernel.

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Wed, Jan 13, 2010 at 9:14 AM, mail ignored <0.bugs.only.0@xxxxxxxxx> wrote:
> On a selection of boxes, ntpd running in Xen Dom0 reproducibly
> exhibits extermely high noise/jitter.
> Switching back to -default, non-xen kernel ntpd runs with very low 
> jitter/noise.

>  uname -a
>  Linux test 2.6.31.8-0.1 #1 SMP 2009-12-15 23:55:40 +0100 x86_64
> x86_64 x86_64 GNU/Linux

which kernel is it? vanilla? distro-provided? gentoo-xen kernel?

FWIW, a quick workaround is to use kernel 2.6.18. I've been using
RHEL's kernel-xen (2.6.18-164.2.1.el5xen) and it works great WRT
time/ntp.

-- 
Fajar

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