From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751292Ab1GFEQH (ORCPT ); Wed, 6 Jul 2011 00:16:07 -0400 Received: from ipmail06.adl2.internode.on.net ([150.101.137.129]:24715 "EHLO ipmail06.adl2.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750760Ab1GFEQG (ORCPT ); Wed, 6 Jul 2011 00:16:06 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EABrfE055LCkB/2dsb2JhbABTqA14zGkOgyaDAgSjDg Date: Wed, 6 Jul 2011 14:16:02 +1000 From: Dave Chinner To: Mel Gorman Cc: Christoph Lameter , David Rientjes , eric.dumazet@gmail.com, Peter Kruse , linux-kernel@vger.kernel.org Subject: Re: I have a blaze of 353 page allocation failures, all alike Message-ID: <20110706041602.GX1026@dastard> References: <272bf0cc51439a2ab31ee2f06317dd9f.squirrel@www.q-leap.de> <4D6648B5.1090306@q-leap.com> <4DA4692D.7080207@q-leap.de> <4DA54D2A.3050206@q-leap.de> <4E09BEA1.1080501@q-leap.de> <20110705172043.GA15147@csn.ul.ie> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110705172043.GA15147@csn.ul.ie> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 05, 2011 at 06:20:43PM +0100, Mel Gorman wrote: > There are also patches that should be in 2.6.32.29 like [e52af507: > xfs: Non-blocking inode locking in IO completion] which talks > about deadlocks during IO completion but the kernel name is > 2.6.32.29-ql-server-20. Does that include this patch or is it some > other fork? > > What seems more plausible is 2.6.32.29 is missing patches like this > [081003ff: xfs: properly account for reclaimed inodes] which sounds > like a very similar problem to what is happening here. There is a good > chance this problem is already fixed but wasn't backported to 2.6.32.x > unfortunately. Fixed in 2.6.32.42. Cheers, Dave. -- Dave Chinner david@fromorbit.com