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 A6AC47F3F for ; Wed, 18 Jun 2014 21:04:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 38D99AC005 for ; Wed, 18 Jun 2014 19:04:00 -0700 (PDT) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id XrKtgtKTLkPv2fPl for ; Wed, 18 Jun 2014 19:03:54 -0700 (PDT) Date: Thu, 19 Jun 2014 12:03:40 +1000 From: Dave Chinner Subject: Re: XFS WARN_ON in xfs_vm_writepage Message-ID: <20140619020340.GI4453@dastard> References: <20140613051631.GA9394@redhat.com> <20140613062645.GZ9508@dastard> <20140613141925.GA24199@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20140613141925.GA24199@redhat.com> 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 Jones , xfs@oss.sgi.com, Linux Kernel , linux-mm@kvack.org On Fri, Jun 13, 2014 at 10:19:25AM -0400, Dave Jones wrote: > 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. Yup, sounds like a problem somewhere in mm/vmscan.c.... Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs