linux-kernel - Re: Found the commit that causes the OOMs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 29 Jun 2009 16:54:45 +0100
From:	David Howells <dhowells@...hat.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	dhowells@...hat.com, Minchan Kim <minchan.kim@...il.com>,
	Mel Gorman <mel@....ul.ie>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	"riel@...hat.com" <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"elladan@...imo.com" <elladan@...imo.com>,
	"npiggin@...e.de" <npiggin@...e.de>,
	"Barnes, Jesse" <jesse.barnes@...el.com>, dwmw2@...radead.org
Subject: Re: Found the commit that causes the OOMs

Wu Fengguang <fengguang.wu@...el.com> wrote:

> Yes this time the OOM order/flags are much different from all previous OOMs.
> 
> btw, I found that msgctl11 is pretty good at making a lot of SUnreclaim and
> PageTables pages:

I got David Woodhouse to run this on one of this boxes, but he doesn't see the
problem, I think because he's got 4GB of RAM, and never comes close to running
out.

I've asked him to reboot with mem=1G to see if that helps reproduce it.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/