Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755612Ab2FERpD (ORCPT ); Tue, 5 Jun 2012 13:45:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:20238 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755500Ab2FERpB (ORCPT ); Tue, 5 Jun 2012 13:45:01 -0400 Date: Tue, 5 Jun 2012 13:44:54 -0400 From: Dave Jones To: David Rientjes Cc: Linux Kernel , linux-mm@kvack.org Subject: Re: oomkillers gone wild. Message-ID: <20120605174454.GA23867@redhat.com> Mail-Followup-To: Dave Jones , David Rientjes , Linux Kernel , linux-mm@kvack.org References: <20120604152710.GA1710@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Content-Length: 1415 Lines: 43 On Mon, Jun 04, 2012 at 04:30:57PM -0700, David Rientjes wrote: > On Mon, 4 Jun 2012, Dave Jones wrote: > > > we picked this.. > > > > [21623.066911] [ 588] 0 588 22206 1 2 0 0 dhclient > > > > over say.. > > > > [21623.116597] [ 7092] 1000 7092 1051124 31660 3 0 0 trinity-child3 > > > > What went wrong here ? > > > > And why does that score look so.. weird. > > > > It sounds like it's because pid 588 has uid=0 and the adjustment for root > processes is causing an overflow. I assume this fixes it? Still doesn't seem right.. eg.. [42309.542776] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name .. [42309.553933] [ 500] 81 500 5435 1 4 -13 -900 dbus-daemon .. [42309.597531] [ 9054] 1000 9054 528677 14540 3 0 0 trinity-child3 .. [42309.643057] Out of memory: Kill process 500 (dbus-daemon) score 511952 or sacrifice child [42309.643620] Killed process 500 (dbus-daemon) total-vm:21740kB, anon-rss:0kB, file-rss:4kB and a slew of similar 'wrong process' death spiral kills follows.. Dave -- 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/