From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754341AbaCKNUa (ORCPT ); Tue, 11 Mar 2014 09:20:30 -0400 Received: from mail-lb0-f182.google.com ([209.85.217.182]:64906 "EHLO mail-lb0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754154AbaCKNU1 (ORCPT ); Tue, 11 Mar 2014 09:20:27 -0400 Date: Tue, 11 Mar 2014 17:20:24 +0400 From: Cyrill Gorcunov To: Dave Jones Cc: Andrew Morton , Linux Kernel , linux-mm@kvack.org, Linus Torvalds , Sasha Levin , Joonsoo Kim , Bob Liu , Konstantin Khlebnikov Subject: Re: bad rss-counter message in 3.14rc5 Message-ID: <20140311132024.GC32390@moon> References: <20140305174503.GA16335@redhat.com> <20140305175725.GB16335@redhat.com> <20140307002210.GA26603@redhat.com> <20140311024906.GA9191@redhat.com> <20140310201340.81994295.akpm@linux-foundation.org> <20140310214612.3b4de36a.akpm@linux-foundation.org> <20140311045109.GB12551@redhat.com> <20140310220158.7e8b7f2a.akpm@linux-foundation.org> <20140311053017.GB14329@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140311053017.GB14329@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 11, 2014 at 01:30:17AM -0400, Dave Jones wrote: > > > > > > > > I don't see any holes in regular migration. Do you know if this is > > > > reproducible with CONFIG_NUMA_BALANCING=n or CONFIG_NUMA=n? > > > > > > CONFIG_NUMA_BALANCING was n already btw, so I'll do a NUMA=n run. > > > > There probably isn't much point unless trinity is using > > sys_move_pages(). Is it? If so it would be interesting to disable > > trinity's move_pages calls and see if it still fails. > > Ok, with move_pages excluded it still oopses. Dave, is it possible to somehow figure out was someone reading pagemap file at moment of the bug triggering?