From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: windows server 2008 hyper-v on kvm Date: Mon, 15 Feb 2010 19:22:10 +0100 Message-ID: <4B7990D2.50200@siemens.com> References: <4B79742B.4070700@cariss.co.uk> <20100215172733.GD19478@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Gleb Natapov , Evan Ingram Return-path: Received: from thoth.sbs.de ([192.35.17.2]:23232 "EHLO thoth.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755818Ab0BOSWb (ORCPT ); Mon, 15 Feb 2010 13:22:31 -0500 In-Reply-To: <20100215172733.GD19478@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux