From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: clock drift in Xen 4.0.0 Date: Tue, 25 May 2010 13:46:00 -0700 Message-ID: <4BFC3708.9000409@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: James Harper Cc: xen-devel@lists.xensource.com, Keir Fraser List-Id: xen-devel@lists.xenproject.org On 05/25/2010 12:01 AM, James Harper wrote: > That's 7 minutes in front of the Dom0 that it's sitting on. The Dom0 > runs ntp. Another DomU on the same system is ahead by a similar amount > (9 minutes over 74 days). I thought that with independent_wallclock=0 > that they should stay in step. > > I actually just noticed that I'm running 4.0.0-rc6, not 4.0.0 proper... > d'oh. I think I should probably update before thinking about it much > more. > What domU and dom0 kernel are you running? pvops always has independent wallclock. J