From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755340Ab0JRN0i (ORCPT ); Mon, 18 Oct 2010 09:26:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63933 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753939Ab0JRN0g (ORCPT ); Mon, 18 Oct 2010 09:26:36 -0400 Message-ID: <4CBC4B06.3030300@redhat.com> Date: Mon, 18 Oct 2010 15:26:30 +0200 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc13 Lightning/1.0b3pre Thunderbird/3.1.4 MIME-Version: 1.0 To: Dave Young CC: Jan Kiszka , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] kvm: guest can not startup due to triple fault References: <20101017085416.GA1758@darkstar> <4CBAC342.1010609@redhat.com> <4CBAE8E2.1060704@redhat.com> <4CBBF3C8.9070104@web.de> <4CBC1047.6010501@redhat.com> <20101018125803.GA2497@darkstar> In-Reply-To: <20101018125803.GA2497@darkstar> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/18/2010 02:58 PM, Dave Young wrote: > > > > It's secondary_startup_64 enabling efer.sce and efer.nx. > > > > Dave, please post your /proc/cpuinfo. Is your host running with NX > > disabled? > > I see nx bit in /proc/cpuinfo, Actually I don't know how to disable it. Strange. Please patch arch/x86/kvm/x86.c to printk efer_reserved_bits (a global), efer (an argument) and old_efer (a local), and post the results. -- error compiling committee.c: too many arguments to function