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xen-devel
RE: [Xen-devel] rhel6 guest fail to do save?
On Wed, 2011-01-12 at 17:16 +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.
Does any of the pv-on-hvm functionality work at all in RHEL6?
Perhaps setting "platform_pci = 0" in the guest configuration would work
around this issue? In particular if RHEL6 has no useful pv-on-hvm
functionality in the first place then nothing is lost.
Ian.
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