From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261492AbVEQNPW (ORCPT ); Tue, 17 May 2005 09:15:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261498AbVEQNPV (ORCPT ); Tue, 17 May 2005 09:15:21 -0400 Received: from one.firstfloor.org ([213.235.205.2]:19843 "EHLO one.firstfloor.org") by vger.kernel.org with ESMTP id S261492AbVEQNPJ (ORCPT ); Tue, 17 May 2005 09:15:09 -0400 To: "Cabaniols, Sebastien" Cc: linux-kernel@vger.kernel.org Subject: Re: What is needed to boot 2.6 on opteron dual core References: <213219CA6232F94E989A9A5354135D2F0936FE@frqexc04.emea.cpqcorp.net> From: Andi Kleen Date: Tue, 17 May 2005 15:15:06 +0200 In-Reply-To: <213219CA6232F94E989A9A5354135D2F0936FE@frqexc04.emea.cpqcorp.net> (Sebastien Cabaniols's message of "Tue, 17 May 2005 13:48:13 +0200") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "Cabaniols, Sebastien" writes: > Hello lkml, > > I am trying to boot a dual core Opteron box with linux 2.6 and it is > crashing very early (swapper process dies, backtrace shows SMP_boot.... > Stuff) and I was wondering what patches are needed to boot a 2.6 kernel > on a dual core machine. It should work with most kernels. Just the level of tuning during runtime varies (with more tuning the newer the kernel) Certainly does for me at least on the AMD reference motherboards/BIOS. Can you connect a serial console and boot with earlyprintk=serial,ttyS0,baudrate and post the full crash log? Please test in advance from a booting kernel if the serial cable etc. really work. -Andi