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-devel

Re: [Xen-devel] Runaway real/sys time in newer paravirt domUs?

To: "Jed Smith" <jed@xxxxxxxxxx>
Subject: Re: [Xen-devel] Runaway real/sys time in newer paravirt domUs?
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Fri, 09 Jul 2010 09:46:05 +0100
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 09 Jul 2010 01:47:00 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <053B0147-FC71-4440-896E-1A37E6A4CEEA@xxxxxxxxxx>
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>
References: <B64CF51D-D1D4-494C-BEA8-F5C6F0A926B6@xxxxxxxxxx> <4C337E5D.7040407@xxxxxxxx> <053B0147-FC71-4440-896E-1A37E6A4CEEA@xxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>> On 08.07.10 at 18:38, Jed Smith <jed@xxxxxxxxxx> wrote:
> On Jul 6, 2010, at 3:05 PM, Jeremy Fitzhardinge wrote:
> 
>> I think this is the same problem as
>> https://bugzilla.kernel.org/show_bug.cgi?id=16314 
> 
> If it is, it goes further back than 2.6.31 as that bug report suggests. I 
> was
> able to reproduce it once in v2.6.30 as tagged, and am still laboring to 
> find
> an A-B point to bisect. Failure rate is significantly lower in 2.6.30, but
> it did happen once.
> 
> So far, Ubuntu linux-image-ec2 (2.6.32-30{5,7}-ec2), our 2.6.32.12, vanilla
> 2.6.31, and vanilla 2.6.30 have demonstrated this issue in my testing
> environment.  All x86_64.  I am unable to reproduce on i386 to this point.

Is this perhaps also dependent on the CPU make/model?

Jan


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