From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261271AbVFPRfA (ORCPT ); Thu, 16 Jun 2005 13:35:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261778AbVFPRe7 (ORCPT ); Thu, 16 Jun 2005 13:34:59 -0400 Received: from fmr21.intel.com ([143.183.121.13]:47283 "EHLO scsfmr001.sc.intel.com") by vger.kernel.org with ESMTP id S261271AbVFPRe5 (ORCPT ); Thu, 16 Jun 2005 13:34:57 -0400 Date: Thu, 16 Jun 2005 10:33:41 -0700 From: Venkatesh Pallipadi To: Simon Richard Grint Cc: linux-kernel@vger.kernel.org, Andrew Morton , Rajesh Shah Subject: Re: arch/i386/boot/video.S hang Message-ID: <20050616103340.A4951@unix-os.sc.intel.com> References: <20050615220554.GA1911@srg.demon.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20050615220554.GA1911@srg.demon.co.uk>; from rgrint@compsoc.man.ac.uk on Wed, Jun 15, 2005 at 11:05:54PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 15, 2005 at 11:05:54PM +0100, Simon Richard Grint wrote: > > I'm trying to upgrade an old AMD K6-2 machine (aladdin bios/gigabyte GA-5AX > motherboard, latest version of the bios) to 2.6.11. Unfortunately kernels later > than 2.6.9 hang very early in the boot process just after the vga= mode selection, > but before the kernel announces "uncompressing linux". > > I have narrowed the problem down to the store_edid function in > arch/i386/boot/video.S where the edid block is obtained and stored before > entering protected mode. The exact patch which seems to cause me problems > is http://www.ussg.iu.edu/hypermail/linux/kernel/0409.3/1786.html > > Storing the edid block at 0x140 causes this machine to hang, whereas backing > this patch out and instead using 0x440 (or even 0x160) seems to work fine. > > Is this problem just because of an old and buggy bios or is there another > reason? > What boot loader are you using. grub/lilo? Does it work with CONFIG_VIDEO_SELECT disabled in your kernel CONFIG? Thanks, Venki