From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754209Ab3GJKjd (ORCPT ); Wed, 10 Jul 2013 06:39:33 -0400 Received: from mail.skyhub.de ([78.46.96.112]:52170 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754146Ab3GJKjb (ORCPT ); Wed, 10 Jul 2013 06:39:31 -0400 Date: Wed, 10 Jul 2013 12:39:15 +0200 From: Borislav Petkov To: Markus Trippelsdorf Cc: linux-kernel@vger.kernel.org Subject: Re: EDAC lockdep splat Message-ID: <20130710103915.GE14873@pd.tnic> References: <20130710095733.GA356@x4> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20130710095733.GA356@x4> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 10, 2013 at 11:57:33AM +0200, Markus Trippelsdorf wrote: > While debugging an unrelated issue I came across the following lockdep > splat: … > Jul 10 11:38:00 x4 kernel: BUG: key ffff8802169693f8 not in .data! > Jul 10 11:38:00 x4 kernel: ------------[ cut here ]------------ > Jul 10 11:38:00 x4 kernel: WARNING: CPU: 3 PID: 1 at kernel/lockdep.c:2987 lockdep_init_map+0x45e/0x490() > Jul 10 11:38:00 x4 kernel: sda: unknown partition table > Jul 10 11:38:00 x4 kernel: DEBUG_LOCKS_WARN_ON(1) I know: http://marc.info/?l=linux-kernel&m=136809709202740&w=2 I was expecting Mauro to fix it since his patches grew this out: commit 7a623c039075e4ea21648d88133fafa6dcfd113d Author: Mauro Carvalho Chehab Date: Mon Apr 16 16:41:11 2012 -0300 edac: rewrite the sysfs code to use struct device adds struct bus_type to struct mem_ctl_info which is dynamically allocated and that's why lockdep complains. bus_register() needs to get a statically allocated struct bus_type as the rest of the kernel does it. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --