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Re: [Xen-devel] Re: Fedora 11 PV Xen domU (2.6.29.4-167.fc11.x86_64) cra
| To: | Pasi Kärkkäinen <pasik@xxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: Fedora 11 PV Xen domU (2.6.29.4-167.fc11.x86_64) crash with invalid opcode in xsave_cntxt_init (xsetbv) |
| From: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
| Date: | Mon, 21 Sep 2009 14:10:51 -0700 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, fedora-xen@xxxxxxxxxx |
| Delivery-date: | Mon, 21 Sep 2009 14:11:19 -0700 |
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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.)
J
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