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RE: [Xen-devel] rhel6 guest fail to do save?

To: Pasi Kärkkäinen <pasik@xxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] rhel6 guest fail to do save?
From: "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>
Date: Thu, 13 Jan 2011 10:03:49 +0800
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Thread-topic: [Xen-devel] rhel6 guest fail to do save?
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: Thursday, January 13, 2011 3:38 AM
> To: Ian Jackson
> Cc: Zhang, Yang Z; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] rhel6 guest fail to do save?
> On Wed, Jan 12, 2011 at 05:16:12PM +0000, Ian Jackson wrote:
> > Zhang, Yang Z writes ("RE: [Xen-devel] rhel6 guest fail to do save?"):
> > > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > > > I think people have generally been able to save/restore with rhel6,
> > > > but there are some issues with live migration between different MHz
> CPUs,
> > > > for example: https://bugzilla.redhat.com/show_bug.cgi?id=663755
> > ...
> > > Sorry, I mean the HVM.
> >
> > This is known not to work.  It fails in my automatic tests.
> >
> > The current RHEL6 kernel has enough pv-on-hvm drivers to get the
> > toolstack to try to negotiate with the guest during save, but not
> > enough (or not working enough) drivers to actually complete the
> > negotiation.  So the toolstack times out and the migrate/save fails.
> >
> Ok.
> Zhang: Would you like to open an entry to Redhat bugzilla
> about the RHEL6 PVHVM save/restore problem?
here is the link:

best regards
> -- Pasi

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