From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f72.google.com (mail-wm0-f72.google.com [74.125.82.72]) by kanga.kvack.org (Postfix) with ESMTP id A0D606B0038 for ; Fri, 6 Jan 2017 05:18:37 -0500 (EST) Received: by mail-wm0-f72.google.com with SMTP id m203so2762691wma.2 for ; Fri, 06 Jan 2017 02:18:37 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id y129si2222468wmd.108.2017.01.06.02.18.36 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 06 Jan 2017 02:18:36 -0800 (PST) Date: Fri, 6 Jan 2017 11:18:34 +0100 From: Michal Hocko Subject: Re: [Bug 190191] New: kswapd0 spirals out of control Message-ID: <20170106101834.GA5561@dhcp22.suse.cz> References: <20170105114233.b5c80f88f625815eaec70bc1@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170105114233.b5c80f88f625815eaec70bc1@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm@kvack.org, bugzilla-daemon@bugzilla.kernel.org, dh@kernel.usrbin.org On Thu 05-01-17 11:42:33, Andrew Morton wrote: > > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Mon, 12 Dec 2016 19:38:23 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > > > https://bugzilla.kernel.org/show_bug.cgi?id=190191 > > > > Bug ID: 190191 > > Summary: kswapd0 spirals out of control > > Product: Memory Management > > Version: 2.5 > > Kernel Version: 4.8.0+ > > Hardware: i386 > > OS: Linux > > Tree: Mainline > > Status: NEW > > Severity: high > > Priority: P1 > > Component: Other > > Assignee: akpm@linux-foundation.org > > Reporter: dh@kernel.usrbin.org > > Regression: No > > I'd say "Regression: yes". > > Additional details at the link. There's no indication which commit(s) > broke it. > > > Created attachment 247481 > > --> https://bugzilla.kernel.org/attachment.cgi?id=247481&action=edit > > config for 4.7 > > > > I'm currently running 4.7.10 with no problems, but when i tried to upgrade to > > 4.8.0 (and just now, 4.9.0) i encountered a problem that makes my system > > unusable. Considering this is 32b kernel and we know that node reclaim (introduced in 4.8) is broken with memcg enabled because Normal zone inactive list might not be aged properly I would suggest trying to run with http://lkml.kernel.org/r/20170104100825.3729-1-mhocko@kernel.org applied. It is hard to tell anything more without further information though. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org