From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753132AbZHMGpV (ORCPT ); Thu, 13 Aug 2009 02:45:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752348AbZHMGpU (ORCPT ); Thu, 13 Aug 2009 02:45:20 -0400 Received: from cantor2.suse.de ([195.135.220.15]:59318 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752258AbZHMGpT (ORCPT ); Thu, 13 Aug 2009 02:45:19 -0400 Message-ID: <4A83B680.5000508@suse.de> Date: Thu, 13 Aug 2009 08:45:20 +0200 From: Hannes Reinecke User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: Sam Ravnborg Cc: Linux Kernel Subject: [REGRESSION] _end symbol missing from Symbol.map X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, with 2.6.31 'crash' on x86_64 falls flat on its face as the '_end' symbol is missing from the System.map file. The culprit is commit 091e52c3551d3031343df24b573b770b4c6c72b6, which moved the '_end' symbol into it's own section. Apparently this causes kallsyms to not reference it properly. So either we'd need to revert part of the patch to not include _end in it's own section: diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 59f31d2..1422df5 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -376,9 +376,7 @@ SECTIONS __brk_limit = .; } - .end : AT(ADDR(.end) - LOAD_OFFSET) { - _end = .; - } + _end = .; /* Sections to be discarded */ /DISCARD/ : { or someone has to fixup kallsyms. But this is far beyond my comfort zone. Cheers, Hannes --- Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Markus Rex, HRB 16746 (AG Nürnberg)