From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id AC7DB6B0038 for ; Fri, 30 Dec 2016 12:24:03 -0500 (EST) Received: by mail-wm0-f70.google.com with SMTP id u144so68132040wmu.1 for ; Fri, 30 Dec 2016 09:24:03 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id z133si59344662wmc.158.2016.12.30.09.24.01 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 30 Dec 2016 09:24:01 -0800 (PST) Date: Fri, 30 Dec 2016 18:23:59 +0100 From: Michal Hocko Subject: Re: [KERNEL] Re: Bug 4.9 and memorymanagement Message-ID: <20161230172358.GA4266@dhcp22.suse.cz> References: <20161225205251.nny6k5wol2s4ufq7@ikki.ethgen.ch> <20161226110053.GA16042@dhcp22.suse.cz> <20161227112844.GG1308@dhcp22.suse.cz> <20161230111135.GG13301@dhcp22.suse.cz> <20161230165230.th274as75pzjlzkk@ikki.ethgen.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161230165230.th274as75pzjlzkk@ikki.ethgen.ch> Sender: owner-linux-mm@kvack.org List-ID: To: Klaus Ethgen Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri 30-12-16 17:52:30, Klaus Ethgen wrote: > Sorry, did reply only you.. > > Am Fr den 30. Dez 2016 um 12:11 schrieb Michal Hocko: > > > If this turns out to be memory cgroup related then the patch from > > > http://lkml.kernel.org/r/20161226124839.GB20715@dhcp22.suse.cz might > > > help. > > > > Did you get chance to test the above patch? I would like to send it for > > merging and having it tested on another system would be really helpeful > > and much appreciated. > > Sorry, no, I was a bit busy when coming back from X-mass. ;-) > > Maybe I can do so today. > > The only think is, how can I find out if the bug is fixed? Is 7 days > enough? Or is there a change to force the bug to happen (or not)...? Just try to run with the patch and do what you do normally. If you do not see any OOMs in few days it should be sufficient evidence. From your previous logs it seems you hit the problem quite early after few hours as far as I remember. > Am Fr den 30. Dez 2016 um 12:11 schrieb Michal Hocko: > > > If this turns out to be memory cgroup related then the patch from > > > http://lkml.kernel.org/r/20161226124839.GB20715@dhcp22.suse.cz might > > > help. > > Which of the 3 patches is the one? All 3 or just one. Just this one should be sufficient ---