From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f49.google.com (mail-ee0-f49.google.com [74.125.83.49]) by kanga.kvack.org (Postfix) with ESMTP id 3DDA26B0031 for ; Thu, 13 Feb 2014 18:34:26 -0500 (EST) Received: by mail-ee0-f49.google.com with SMTP id d17so5357091eek.36 for ; Thu, 13 Feb 2014 15:34:25 -0800 (PST) Received: from trent.utfs.org (trent.utfs.org. [2a03:3680:0:3::67]) by mx.google.com with ESMTP id x7si7093307eef.135.2014.02.13.15.34.24 for ; Thu, 13 Feb 2014 15:34:24 -0800 (PST) Date: Thu, 13 Feb 2014 15:34:19 -0800 (PST) From: Christian Kujau Subject: Re: 3.14.0-rc2: WARNING: at mm/slub.c:1007 In-Reply-To: <20140213222602.GK13997@dastard> Message-ID: References: <20140213222602.GK13997@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Dave Chinner Cc: LKML , xfs@oss.sgi.com, linux-mm@kvack.org On Fri, 14 Feb 2014 at 09:26, Dave Chinner wrote: > > after upgrading from 3.13-rc8 to 3.14.0-rc2 on this PowerPC G4 machine, > > the WARNING below was printed. > > > > Shortly after, a lockdep warning appeared (possibly related to my > > post to the XFS list yesterday[0]). > > Unlikely. OK, so the "possible irq lock inversion dependency detected" is a lockdep regression, as you explained in the xfs-list thread. What about the "RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected" warning - I haven't seen it again though, only once with 3.14.0-rc2. Christian. -- BOFH excuse #108: The air conditioning water supply pipe ruptured over the machine room -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org