Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752495AbYLaBM2 (ORCPT ); Tue, 30 Dec 2008 20:12:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751709AbYLaBMU (ORCPT ); Tue, 30 Dec 2008 20:12:20 -0500 Received: from one.firstfloor.org ([213.235.205.2]:45278 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751702AbYLaBMT (ORCPT ); Tue, 30 Dec 2008 20:12:19 -0500 Date: Wed, 31 Dec 2008 02:25:42 +0100 From: Andi Kleen To: david@lang.hm Cc: Andi Kleen , linux-kernel Subject: Re: early exception error Message-ID: <20081231012542.GP496@one.firstfloor.org> References: <87k59hur5f.fsf@basil.nowhere.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 950 Lines: 26 On Tue, Dec 30, 2008 at 05:39:29PM -0800, david@lang.hm wrote: > On Wed, 31 Dec 2008, Andi Kleen wrote: > > >david@lang.hm writes: > >> > >>doing a grep through System.map for the address that appears in the > >>error returns nothing > > > >This might be obvious, but you can't grep directly for these addresses > >because System.map contains the starting addresses of functions only > >and normally the reported address is somewhere in the middle of a > >function. So you instead have to look for the highest number lower or equal > >the address from the exception. > > thanks, this was not obvious to me > > the -2 error maps to You should also boot with earlyprintk=vga to get more context. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/