From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 24F997F58 for ; Fri, 13 Jun 2014 09:19:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 05A0C8F8039 for ; Fri, 13 Jun 2014 07:19:44 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id F5WYoeZsR801nCBv for ; Fri, 13 Jun 2014 07:19:41 -0700 (PDT) Date: Fri, 13 Jun 2014 10:19:25 -0400 From: Dave Jones Subject: Re: XFS WARN_ON in xfs_vm_writepage Message-ID: <20140613141925.GA24199@redhat.com> References: <20140613051631.GA9394@redhat.com> <20140613062645.GZ9508@dastard> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20140613062645.GZ9508@dastard> 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: Dave Chinner Cc: linux-mm@kvack.org, Linux Kernel , xfs@oss.sgi.com On Fri, Jun 13, 2014 at 04:26:45PM +1000, Dave Chinner wrote: > > 970 if (WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) == > > 971 PF_MEMALLOC)) > > What were you running at the time? The XFS warning is there to > indicate that memory reclaim is doing something it shouldn't (i.e. > dirty page writeback from direct reclaim), so this is one for the mm > folk to work out... Trinity had driven the machine deeply into swap, and the oom killer was kicking in pretty often. Then this happened. Dave _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f52.google.com (mail-qa0-f52.google.com [209.85.216.52]) by kanga.kvack.org (Postfix) with ESMTP id 1EB9D6B00CA for ; Fri, 13 Jun 2014 10:19:41 -0400 (EDT) Received: by mail-qa0-f52.google.com with SMTP id w8so3593895qac.39 for ; Fri, 13 Jun 2014 07:19:40 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTP id c18si4760718qaq.0.2014.06.13.07.19.40 for ; Fri, 13 Jun 2014 07:19:40 -0700 (PDT) Date: Fri, 13 Jun 2014 10:19:25 -0400 From: Dave Jones Subject: Re: XFS WARN_ON in xfs_vm_writepage Message-ID: <20140613141925.GA24199@redhat.com> References: <20140613051631.GA9394@redhat.com> <20140613062645.GZ9508@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140613062645.GZ9508@dastard> Sender: owner-linux-mm@kvack.org List-ID: To: Dave Chinner Cc: xfs@oss.sgi.com, Linux Kernel , linux-mm@kvack.org On Fri, Jun 13, 2014 at 04:26:45PM +1000, Dave Chinner wrote: > > 970 if (WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) == > > 971 PF_MEMALLOC)) > > What were you running at the time? The XFS warning is there to > indicate that memory reclaim is doing something it shouldn't (i.e. > dirty page writeback from direct reclaim), so this is one for the mm > folk to work out... Trinity had driven the machine deeply into swap, and the oom killer was kicking in pretty often. Then this happened. Dave -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752111AbaFMOTq (ORCPT ); Fri, 13 Jun 2014 10:19:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59284 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751017AbaFMOTo (ORCPT ); Fri, 13 Jun 2014 10:19:44 -0400 Date: Fri, 13 Jun 2014 10:19:25 -0400 From: Dave Jones To: Dave Chinner Cc: xfs@oss.sgi.com, Linux Kernel , linux-mm@kvack.org Subject: Re: XFS WARN_ON in xfs_vm_writepage Message-ID: <20140613141925.GA24199@redhat.com> Mail-Followup-To: Dave Jones , Dave Chinner , xfs@oss.sgi.com, Linux Kernel , linux-mm@kvack.org References: <20140613051631.GA9394@redhat.com> <20140613062645.GZ9508@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140613062645.GZ9508@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 13, 2014 at 04:26:45PM +1000, Dave Chinner wrote: > > 970 if (WARN_ON_ONCE((current->flags & (PF_MEMALLOC|PF_KSWAPD)) == > > 971 PF_MEMALLOC)) > > What were you running at the time? The XFS warning is there to > indicate that memory reclaim is doing something it shouldn't (i.e. > dirty page writeback from direct reclaim), so this is one for the mm > folk to work out... Trinity had driven the machine deeply into swap, and the oom killer was kicking in pretty often. Then this happened. Dave