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Re: [Xen-devel] Status of nestedhvm (on Intel)

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Christian Tramnitz <chris.ace@xxxxxxx>
  • Date: Fri, 4 May 2012 15:49:45 +0000 (UTC)
  • Delivery-date: Fri, 04 May 2012 15:50:17 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

Ian Campbell <Ian.Campbell <at> citrix.com> writes:
> AFAIK it is going to be an (experimental) feature in 4.2.

Short follow-up: I haven't tried with Hyper-V yet, but on current (today's
unstable.hg) Xen 4.2 at least ESXi does not work. VMX flag is visible, but
during load ESXi 5u1 crashes and Xen log shows:

(XEN) vvmx.c:1366:d8 VMX MSR 485 not fully supported yet.
(XEN) hvm.c:1143:d8 All CPUs offline -- powering off.

Does anyone have an idea what MSR 485 does? It is not documented in "Intel 64
and IA-32 Architectures Software Developer's Manual"...


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