From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751066AbdAXMzD (ORCPT ); Tue, 24 Jan 2017 07:55:03 -0500 Received: from mx2.suse.de ([195.135.220.15]:41097 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750704AbdAXMzC (ORCPT ); Tue, 24 Jan 2017 07:55:02 -0500 Date: Tue, 24 Jan 2017 13:54:58 +0100 From: Michal Hocko To: Trevor Cordes Cc: Mel Gorman , linux-kernel@vger.kernel.org, Joonsoo Kim , Minchan Kim , Rik van Riel , Srikar Dronamraju Subject: Re: mm, vmscan: commit makes PAE kernel crash nightly (bisected) Message-ID: <20170124125458.GH6867@dhcp22.suse.cz> References: <20170116110934.7zopy3ecg2lfadkd@techsingularity.net> <20170117135228.GN19699@dhcp22.suse.cz> <20170117142114.r7abr3x2bbik47sd@techsingularity.net> <20170117145450.GQ19699@dhcp22.suse.cz> <20170119034850.0b7d504c@pog.tecnopolis.ca> <20170119113757.GP30786@dhcp22.suse.cz> <20170120003544.7e6e34d1@pog.tecnopolis.ca> <20170120110232.y7xd4b7wtwqslgnw@techsingularity.net> <20170120155553.gjv2x5eycvdudnil@techsingularity.net> <20170122184559.0b5c0fd8@pog.tecnopolis.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170122184559.0b5c0fd8@pog.tecnopolis.ca> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun 22-01-17 18:45:59, Trevor Cordes wrote: [...] > Also, completely separate from your patch I ran mhocko's 4.9 tree with > mem=2G to see if lower ram amount would help, but it didn't. Even with > 2G the system oom and hung same as usual. So far the only thing that > helps at all was the cgroup_disable=memory option, which makes the > problem disappear completely for me. OK, can we reduce the problem space slightly more and could you boot with kmem accounting enabled? cgroup.memory=nokmem,nosocket -- Michal Hocko SUSE Labs