Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933775Ab1D2URG (ORCPT ); Fri, 29 Apr 2011 16:17:06 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:58366 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932307Ab1D2URE (ORCPT ); Fri, 29 Apr 2011 16:17:04 -0400 Date: Fri, 29 Apr 2011 22:17:01 +0200 From: Markus Trippelsdorf To: Christian Kujau Cc: Dave Chinner , LKML , xfs@oss.sgi.com, minchan.kim@gmail.com Subject: Re: 2.6.39-rc4+: oom-killer busy killing tasks Message-ID: <20110429201701.GA13166@x4.trippels.de> References: <20110424234655.GC12436@dastard> <20110427022655.GE12436@dastard> <20110427102824.GI12436@dastard> <20110428233751.GR12436@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1331 Lines: 30 On 2011.04.29 at 12:58 -0700, Christian Kujau wrote: > On Fri, 29 Apr 2011 at 09:37, Dave Chinner wrote: > > Did you read the email that pointed to CONFIG_TINY_RCU as the > > ptotential source of the problem? Can you change to CONFIG_TREE_RCU > > and see if the problem goes away? > > Tried with TREE_RCU, unfortunately the problem persists. However, the OOM > messages did not make it to the disk this time. Syslog continued to work > until 11:51 (local time), the slabinfo-8-TREE_RCU.txt file was written to > until 11:57, the machine was already unusable at that point. At 12:07 I > took a "screenshot" and then powercycled the machine: > > http://nerdbynature.de/bits/2.6.39-rc4/oom/ > (The files marked with -8 are the current ones) > > Btw, the xfs filesystem I'm du'ing over is still mounted with "noatime". > > Any ideas? Patches to try? I could be the hrtimer bug again. Would you try to reproduce the issue with this patch applied? http://git.us.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git;a=commit;h=ce31332d3c77532d6ea97ddcb475a2b02dd358b4 -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/