From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:42626) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTI7Y-0001E4-6i for qemu-devel@nongnu.org; Tue, 30 Oct 2012 16:09:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTI7U-0004qu-0S for qemu-devel@nongnu.org; Tue, 30 Oct 2012 16:09:08 -0400 Received: from 69.169.164.127.provo.static.broadweavenetworks.net ([69.169.164.127]:39467 helo=baldr.dev-zero.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTI7T-0004qT-RP for qemu-devel@nongnu.org; Tue, 30 Oct 2012 16:09:03 -0400 Received: from [10.1.8.6] (mail.adaptivecomputing.com [204.15.87.226]) by baldr.dev-zero.net (Postfix) with ESMTP id 77C42190469 for ; Tue, 30 Oct 2012 14:06:36 -0600 (MDT) Message-ID: <509033EC.4050304@dev-zero.net> Date: Tue, 30 Oct 2012 14:09:16 -0600 From: Mike Lovell MIME-Version: 1.0 References: <50903261.2070107@dev-zero.net> In-Reply-To: <50903261.2070107@dev-zero.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] centos 6.3 and nested kvm List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On 10/30/2012 02:02 PM, Mike Lovell wrote: > i have been using kvm in an nested environment for a couple months > now. things have appeared to be working fine. i have used both intel > (westmere-ep) hosts and, when starting the first level guest, i have > specified '-cpu qemu64,+vmx' to pass the kvm support through. when > using a centos 6.2 guest, i am able to load the kvm and kvm_intel > modules and use it. the problem is today i tried updating my centos > 6.2 guest to 6.3 and now the kvm_intel module fails to load in this > guest. there aren't any kernel messages that i can see. does anyone on > the list have an idea of what might have changed. the 6.2 system had > 2.6.32-220.el6.x86_64 as the kernel version and 6.3 has > 2.6.32-279.11.1.el6. the exact error i get when trying to load the > module is > > FATAL: Error inserting kvm_intel > (/lib/modules/2.6.32-279.11.1.el6.x86_64/kernel/arch/x86/kvm/kvm-intel.ko): > Input/output error > > anyone know of anything that might have changed in the kvm_intel > module or elsewhere that would cause this to break? i probably should have specified this before but i'm using qemu 1.1.2 on the host. mike