From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Nested Virtualization Of Hyper-V 2K8R2 Date: Tue, 18 Oct 2011 13:43:38 +0200 Message-ID: <4E9D666A.9000703@redhat.com> References: <4E9D643F.5070608@suresafe.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "kvm@vger.kernel.org" To: Jim Return-path: Received: from mx1.redhat.com ([209.132.183.28]:46897 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754961Ab1JRLnq (ORCPT ); Tue, 18 Oct 2011 07:43:46 -0400 In-Reply-To: <4E9D643F.5070608@suresafe.co.uk> Sender: kvm-owner@vger.kernel.org List-ID: On 10/18/2011 01:34 PM, Jim wrote: > Hi, > > I've worked with KVM for quite a while now but have come across a > problem when trying to run some W2K8R2 VMs where I want to also run > Hyper-V on those VMs - nested virtualization. > > I've researched and checked the obvious AMD processor with the enable > nested flag, running a kvm guest with the nesting support enabled etc. > which did allow me to add the Hyper-V role to the VM but when it > reboots, the machine hardware lists a problem with the VM machine bus > and no hyper-v VMs can be created. What's the error message? > > From what I've read through from lurking on the list and reading the > archives, I'm not sure whether the problem is that KVM is not ready to > support Hyper-V yet or if I'm doing it wrong. > > I'd be very thankful if someone could say if I'm hoping for too much > right now or point me where to go to find some details on what I'm > doing wrong and how to do it right. It's likely a kvm bug. -- error compiling committee.c: too many arguments to function