Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754265Ab3GJKlc (ORCPT ); Wed, 10 Jul 2013 06:41:32 -0400 Received: from mail.skyhub.de ([78.46.96.112]:52208 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751173Ab3GJKlb (ORCPT ); Wed, 10 Jul 2013 06:41:31 -0400 Date: Wed, 10 Jul 2013 12:41:15 +0200 From: Borislav Petkov To: Markus Trippelsdorf Cc: linux-kernel@vger.kernel.org, Mauro Carvalho Chehab Subject: Re: EDAC lockdep splat Message-ID: <20130710104114.GF14873@pd.tnic> References: <20130710095733.GA356@x4> <20130710103915.GE14873@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20130710103915.GE14873@pd.tnic> 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 Content-Length: 1522 Lines: 42 Forgot to CC him. On Wed, Jul 10, 2013 at 12:39:15PM +0200, Borislav Petkov wrote: > 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. -- -- 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/