From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id A7FD16B0012 for ; Thu, 26 May 2011 04:18:56 -0400 (EDT) Received: from m2.gw.fujitsu.co.jp (unknown [10.0.50.72]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id BC6F13EE0CD for ; Thu, 26 May 2011 17:18:53 +0900 (JST) Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id A2C8045DF5C for ; Thu, 26 May 2011 17:18:53 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 88C9145DF57 for ; Thu, 26 May 2011 17:18:53 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 78D5B1DB802C for ; Thu, 26 May 2011 17:18:53 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.240.81.147]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 31FAB1DB803E for ; Thu, 26 May 2011 17:18:53 +0900 (JST) Message-ID: <4DDE0CDD.5050000@jp.fujitsu.com> Date: Thu, 26 May 2011 17:18:37 +0900 From: KOSAKI Motohiro MIME-Version: 1.0 Subject: Re: Easy portable testcase! (Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: luto@mit.edu Cc: minchan.kim@gmail.com, aarcange@redhat.com, kamezawa.hiroyu@jp.fujitsu.com, fengguang.wu@intel.com, andi@firstfloor.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mgorman@suse.de, hannes@cmpxchg.org, riel@redhat.com (2011/05/26 5:17), Andrew Lutomirski wrote: > On Tue, May 24, 2011 at 8:43 PM, KOSAKI Motohiro > wrote: >> >> Unfortnately, this log don't tell us why DM don't issue any swap io. ;-) >> I doubt it's DM issue. Can you please try to make swap on out of DM? >> >> > > I can do one better: I can tell you how to reproduce the OOM in the > comfort of your own VM without using dm_crypt or a Sandy Bridge > laptop. This is on Fedora 15, but it really ought to work on any > x86_64 distribution that has kvm. You'll probably want at least 6GB > on your host machine because the VM wants 4GB ram. Hmmm.... I don't have 6GB memory. :-) I'll try to borrow it from anywhere, but I'd expect my response is delayed some time. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org