Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757256Ab1E0UJZ (ORCPT ); Fri, 27 May 2011 16:09:25 -0400 Received: from mail-gw0-f46.google.com ([74.125.83.46]:32959 "EHLO mail-gw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757206Ab1E0UJY (ORCPT ); Fri, 27 May 2011 16:09:24 -0400 Message-ID: <4DE004EF.10507@landley.net> Date: Fri, 27 May 2011 15:09:19 -0500 From: Rob Landley User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 MIME-Version: 1.0 To: Ralf Baechle CC: linux-kernel@vger.kernel.org, linux-mips@linux-mips.org Subject: Re: MIPS panic in 2.6.39 (bisected to 7eaceaccab5f) References: <4DDB5673.5060206@landley.net> <20110524143937.GB30117@linux-mips.org> <4DDCB1EB.4020707@landley.net> <20110527075512.GE30117@linux-mips.org> <20110527140011.GF30117@linux-mips.org> In-Reply-To: <20110527140011.GF30117@linux-mips.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1050 Lines: 25 On 05/27/2011 09:00 AM, Ralf Baechle wrote: > On Fri, May 27, 2011 at 08:55:13AM +0100, Ralf Baechle wrote: > >>> Have you guys been able to reproduce the problem? >> >> Staring at the disassembly was good enough, I think. The commit you >> bisected is restructuring some of the hardware probing code for Malta and >> seems to result in gcmp_present being set without _gcmp_base having been >> assigned, thus the null pointer dereference. > > Can you test below patch? Thanks, arch/mips/mti-malta/malta-init.c: In function 'prom_init': arch/mips/mti-malta/malta-init.c:363: error: implicit declaration of function 'register_cmp_smp_ops' arch/mips/mti-malta/malta-init.c:366: error: implicit declaration of function 'register_vsmp_smp_ops' make[2]: *** [arch/mips/mti-malta/malta-init.o] Error 1 Rob -- 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/