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/
Home Products Support Community News


[Xen-devel] Re: Problem running latest Xen unstable hypervisor with late

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: Problem running latest Xen unstable hypervisor with latest Linux kernels
From: Dave McCracken <dcm@xxxxxxxx>
Date: Fri, 21 May 2010 18:22:51 -0500
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen Developers List <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
Delivery-date: Fri, 21 May 2010 16:23:59 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C81C6461.14E18%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>
References: <C81C6461.14E18%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: KMail/1.13.3 (Linux/2.6.32; KDE/4.4.3; x86_64; ; )
On Friday, May 21, 2010, Keir Fraser wrote:
> > I have a test box set up to run mainline Xen unstable hypervisor and a
> > guest running the latest Linux builds from Jeremy.  Last week it all
> > worked fine. This week when I pulled the latest unstable it stopped
> > working.
> This is a hypervisor bug. I would have bet that my recent smpboot/hotplug
> changes might have caused it, but happily I can report that I am not to
> blame. The offending changeset is 21339:804304d4e05d "x86: TSC handling
> cleanups" by Stefano (cc'ed). The automated regression tests have also been
> failing ever since it went in, so clearly PV guest startup failure is not
> hard to repro with this patch applied. For now I have reverted it
> (xen-unstable:21444), so please re-pull, re-build, re-test.

The guest now boots just fine.  Thanks.


Xen-devel mailing list