linux-kernel - Re: [Bug #14141] order 2 page allocation failures (generic)

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Date:	Tue, 20 Oct 2009 16:20:12 +0200 (CEST)
From:	Tobias Oetiker <tobi@...iker.ch>
To:	Mel Gorman <mel@....ul.ie>
cc:	Frans Pop <elendil@...net.nl>,
	Pekka Enberg <penberg@...helsinki.fi>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Reinette Chatre <reinette.chatre@...el.com>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Karol Lewandowski <karol.k.lewandowski@...il.com>,
	Mohamed Abbas <mohamed.abbas@...el.com>,
	"John W. Linville" <linville@...driver.com>, linux-mm@...ck.org,
	jens.axboe@...cle.com
Subject: Re: [Bug #14141] order 2 page allocation failures (generic)

Hi Mel,

Today Mel Gorman wrote:

>
> Over the course of a day, how many would you see? By and large, it seems
> that the problem yourself and Frans are similar except his is a lot more
> severe.

yesterday it was 19 for 24 hours, today it is 9 for 16 hours (day
is not done yet).

> Try on top of vanilla 2.6.31.4 first plase and if failures still occur,
> then on top of the previous patch.

ok

> > we are running virtualbox 3.0.8 on this machine, virtualbox is using
> > the physical network interface in bridge mode access the network.
> > Could this have something todo with the problem ?
> >
>
> I do not know for sure. I'm assuming the configuration is the same on
> both kernels so it's unlikely to be the issue.

just to be on the sure side I created a tickt with the virtualbox
people ... http://www.virtualbox.org/ticket/5260

cheers
tobi

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi@...iker.ch ++41 62 775 9902 / sb: -9900
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