WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-devel] Re: [Xen-users] ntpd under Xen Dom0 exhibits extremely h

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, mail ignored <0.bugs.only.0@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-users] ntpd under Xen Dom0 exhibits extremely high jitter/noise? runs stable/quiet under non-xen kernel.
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 19 Jan 2010 18:35:41 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Tue, 19 Jan 2010 10:36:14 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C77BA49C.6BE6%keir.fraser@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcqZMQaitgQhTcQoTw6V4df7oYLqygAAMc/ZAAEZfK4=
Thread-topic: [Xen-devel] Re: [Xen-users] ntpd under Xen Dom0 exhibits extremely high jitter/noise? runs stable/quiet under non-xen kernel.
User-agent: Microsoft-Entourage/12.23.0.091001
On 19/01/2010 18:04, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote:

>>> If this does
>>> turn out to be a hardware issue, then yes that is just the kind of case
>>> where you might expect to have to tweak things on the Xen command line.
>> 
>> the 'common' hardware is, of course, the AMD Phenom II X4 cpu ...
> 
> The particular hardware that really matters is the chipset, as that is where
> the HPET resides. Is that common across all the systems?

Oh, I see they do vary, although all are AMD chipsets of presumably a
similar vintage.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>