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xen-devel
Re: [Xen-devel] Re: Fedora 11 PV Xen domU (2.6.29.4-167.fc11.x86_64) cra
On Mon, Sep 21, 2009 at 02:10:51PM -0700, Jeremy Fitzhardinge wrote:
> On 09/21/09 13:44, Pasi Kärkkäinen wrote:
> > Thanks for the fast reply. I'll ask him to try "noxsave".
> >
> > Other than that not much to do about it.. can't really update the F11 GA
> > installer kernel.. (and I don't think doing own custom re-spin of F11 is
> > good solution for him).
> >
>
> Oh, its a domU install? You can mask it in the domain config with the
> oh-so-intuitive cpuid=[] setting (leaf 1, ecx bit 26). I think that's:
>
> cpuid=['1:ecx=xxxxx0xxxxxxxxxxxxxxxxxxxxxxxxxx,
> eax=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' ]
>
> (I'm assuming it works for PV as well as HVM domains.)
>
Hmm.. yeah. Except I think the hypervisor in RHEL5/CentOS5 is too old to
support cpuid masking..
Thanks for tip anyway :)
-- Pasi
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