From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1766002AbXG0BhR (ORCPT ); Thu, 26 Jul 2007 21:37:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759440AbXG0BhG (ORCPT ); Thu, 26 Jul 2007 21:37:06 -0400 Received: from smtp107.plus.mail.re1.yahoo.com ([69.147.102.70]:35831 "HELO smtp107.plus.mail.re1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752486AbXG0BhF (ORCPT ); Thu, 26 Jul 2007 21:37:05 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.de; h=Received:X-YMail-OSG:Received:Date:From:To:Cc:Subject:Message-ID:Reply-To:References:MIME-Version:Content-Type:Content-Disposition:Content-Transfer-Encoding:In-Reply-To:User-Agent; b=bIZ0MVZmvxaGF/RJbF4isXacUDLex7Vv6IqSCoZJ9BSJg4qLLfGtAauCgohciVUyB0njpR5mMED03I+I6kabS0PtzahVV4B4OlFh8NdZLhfsB3OWYS9qU4cDPYpur/22ImOh1zJu3pY2524sdOB7pYg4y4vPnURPSOR8zuLfuEk= ; X-YMail-OSG: kvUVBoIVM1kQJhrvU735AwIuMY9l.aA6NWOT383oFUtUJ8aqOK2xRreh2KmFUSxg5rSmWhvaZQ-- Date: Fri, 27 Jul 2007 03:36:16 +0200 From: Borislav Petkov To: "H. Peter Anvin" Cc: Xudong Guan , linux-kernel@vger.kernel.org Subject: Re: 2.6.23-rc1: no setup signature found... Message-ID: <20070727013615.GC4570@gollum.tnic> Reply-To: bbpetkov@yahoo.de References: <20070724112618.GA4431@gollum.tnic> <20070726150854.GA7034@xguan-laptop> <46A8BB6C.6050903@zytor.com> <20070726163053.GA4570@gollum.tnic> <46A8E3F9.5070809@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <46A8E3F9.5070809@zytor.com> User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 26, 2007 at 11:12:09AM -0700, H. Peter Anvin wrote: > Borislav Petkov wrote: > > > >> What distro/version of grub are you running? > > Debian unstable > >> I'm wondering if there are > >> some old version of grub out there which did the "load four sectors" > >> way-anciently-obsolete crap; the other possibility that comes to mind is > >> setting up the stack in an invalid manner. > > grub version: > > > > [boris@gollum:18:17:27:-> apt-cache show grub > > Package: grub > > Priority: optional > > Section: admin > > Installed-Size: 708 > > Maintainer: Grub Maintainers > > Architecture: i386 > > Version: 0.97-29 > > Depends: libc6 (>= 2.5-5), libncurses5 (>= 5.4-5) > > Suggests: grub-doc, mdadm > > Filename: pool/main/g/grub/grub_0.97-29_i386.deb > > Size: 366884 > > MD5sum: 2da7a5942db06eaba046dff4615bcce9 > > SHA1: 7f4da793da209d011ce94fceebaebe0e5f08790f > > SHA256: 2596782c08f1f7365e9935f687fef74c67d8702503188f22448db9f0ac98e18e > > Description: GRand Unified Bootloader > > ... > > This concerns me deeply. This is a current version of Grub which > shouldn't have any silly 8K limitations. Yet it appears to have a > similar pathology over the ancient version Xudong just described. > > The absolute best would be if we could replicate this in simulation > (Bochs or Qemu); this would make it very simple to debug. Would you be > willing to try to do that? sure, will do, however i'll be busy at work/travelling tomorrow but as soon as i get home i'll whip up my qemu and run the kernel in question in it. However, Xudong said that grub 0.97 boots just fine on his machine and i think it'll be better to debug this right on the bare hardware (i.e. my laptop) ...? Suggestions ? -- Regards/Gruß, Boris.