From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: windows server 2008 hyper-v on kvm Date: Mon, 15 Feb 2010 20:39:32 +0200 Message-ID: <20100215183932.GE19478@redhat.com> References: <4B79742B.4070700@cariss.co.uk> <20100215172733.GD19478@redhat.com> <4B7990D2.50200@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Evan Ingram , kvm@vger.kernel.org To: Jan Kiszka Return-path: Received: from mx1.redhat.com ([209.132.183.28]:17966 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755890Ab0BOSjh (ORCPT ); Mon, 15 Feb 2010 13:39:37 -0500 Content-Disposition: inline In-Reply-To: <4B7990D2.50200@siemens.com> Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Feb 15, 2010 at 07:22:10PM +0100, Jan Kiszka wrote: > Gleb Natapov wrote: > > On Mon, Feb 15, 2010 at 04:19:55PM +0000, Evan Ingram wrote: > >> hi, > >> > >> running windows server 2008 on kvm as guest os. i need to install > >> hyper-v on the guest os but i get the error about my processor not > >> having the correct hardware virtualisation support. i read i should > >> perhaps try running the kvm with '-cpu host' but i still get the > >> same error. > >> > >> any advice? > > KVM not yet fas all needed pieces for windows to recognise that VM > > supports hyper-v. And only very small part of hyper-v spec is actually > > implemented right now. > > I tend to think he is looking for nested virtualization. That is only > available on AMD hosts so far. If you are on AMD, I think you need to > pass -enable-nesting to qemu-kvm to enable it. > I guess original poster needs to clarify what he actually means :) -- Gleb.