From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757201Ab1DWCEX (ORCPT ); Fri, 22 Apr 2011 22:04:23 -0400 Received: from terminus.zytor.com ([198.137.202.10]:48820 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757074Ab1DWCEW (ORCPT ); Fri, 22 Apr 2011 22:04:22 -0400 Message-ID: <4DB2338B.5030803@zytor.com> Date: Fri, 22 Apr 2011 19:03:55 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110403 Fedora/3.1.9-6.fc15 Thunderbird/3.1.9 MIME-Version: 1.0 To: Yuhong Bao CC: chris@csamuel.org, alan@lxorguk.ukuu.org.uk, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system References: <201104222333.25546.chris@csamuel.org> <20110422173422.46134f20@lxorguk.ukuu.org.uk>,<201104231016.23579.chris@csamuel.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/22/2011 06:28 PM, Yuhong Bao wrote: > > This is a stupid BIOS, but do you know if it used E820 in the old kernel? > I wonder if this has something to do with the changes made to support ACPI 3.0 changes to E820? > This would be easy to diagnose with DOS DEBUG with no himem.sys loaded. > > Yuhong Bao > I suspect this broke during the rewrite of the setup code to C in 2007. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.