From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266613AbUHQTHz (ORCPT ); Tue, 17 Aug 2004 15:07:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268359AbUHQTHz (ORCPT ); Tue, 17 Aug 2004 15:07:55 -0400 Received: from outbound05.telus.net ([199.185.220.224]:3045 "EHLO priv-edtnes40.telusplanet.net") by vger.kernel.org with ESMTP id S266613AbUHQTHm (ORCPT ); Tue, 17 Aug 2004 15:07:42 -0400 From: Shaun Jackman To: "Petr Vandrovec" Subject: Re: Hang after "BIOS data check successful" with DVI Date: Tue, 17 Aug 2004 12:07:53 -0700 User-Agent: KMail/1.6.2 Cc: linux-kernel@vger.kernel.org References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200408171207.53962.sjackman@telus.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue August 17, 2004 03h57, Petr Vandrovec wrote: > On 16 Aug 04 at 16:55, Shaun Jackman wrote: > > When I have a DVI display plugged into my Matrox G550 video card the > > boot process hangs at "BIOS data check successful". I am running Linux > > kernel 2.6.6. This problem does not affect Linux kernel 2.4.26. If I > > boot without the DVI display plugged in, I can plug it in after the > > boot process and the display works. > > Try disabling CONFIG_VIDEO_SELECT and/or comment out call to store_edid > in arch/i386/boot/video.S. Also which bootloader you use? From > quick glance at bootloaders, grub1 seems to set %sp to 0x9000, while > LILO to 0x0800. And I think that 2048 byte stack (plus something already > allocated by loader) might be too small for DDC call, as MGA BIOS first > creates EDID copy on stack... > Best regards, > Petr Vandrovec I tried removing the call to store_edid and that does indeed fix my problem! Many thanks! Shaun