From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 15AEF7CA0 for ; Mon, 18 Jul 2016 15:18:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 76B20AC002 for ; Mon, 18 Jul 2016 13:18:41 -0700 (PDT) Received: from mail02.iobjects.de (mail02.iobjects.de [188.40.134.68]) by cuda.sgi.com with ESMTP id bBYZ8QXCgMlIADVt (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 18 Jul 2016 13:18:38 -0700 (PDT) Subject: Re: xfs_vm_releasepage() causing BUG at free_buffer_head() References: <143E2E5E912B4C348E8C62AA987F0506@alyakaslap> From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Message-ID: <578D399C.1010006@applied-asynchrony.com> Date: Mon, 18 Jul 2016 22:18:36 +0200 MIME-Version: 1.0 In-Reply-To: <143E2E5E912B4C348E8C62AA987F0506@alyakaslap> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Alex Lyakas , xfs@oss.sgi.com On 07/18/16 20:00, Alex Lyakas wrote: > Greetings XFS community, > > We have hit the following BUG [1]. > > This is in free_buffer_head(): > BUG_ON(!list_empty(&bh->b_assoc_buffers)); > > This is happening in a long-term mainline kernel 3.18.19. > > Some googling revealed a possibly-related discussion at: > http://comments.gmane.org/gmane.linux.file-systems/105093 > https://lkml.org/lkml/2016/5/30/1007 > except that in our case I don't see the "WARN_ON_ONCE(delalloc)" triggered. Since you make it past the WARN_ONs that makes it look like this very recent report from Friday: http://oss.sgi.com/pipermail/xfs/2016-July/050199.html Dave posted a patch in that thread which seems ot work fine and so far hasn't set anything on fire, at least for me on 4.4.x. cheers, Holger _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs