linux-kernel - Re: [PATCH 0/5] Candidate fix for increased number of GFP

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Message-ID: <20091028114208.GA14476@bizet.domek.prywatny>
Date:	Wed, 28 Oct 2009 12:42:08 +0100
From:	Karol Lewandowski <karol.k.lewandowski@...il.com>
To:	Mel LKML <mel.lkml@...il.com>
Cc:	Karol Lewandowski <karol.k.lewandowski@...il.com>,
	Mel Gorman <mel@....ul.ie>, Frans Pop <elendil@...net.nl>,
	Jiri Kosina <jkosina@...e.cz>,
	Sven Geggus <lists@...hsschwanzdomain.de>,
	Tobias Oetiker <tobi@...iker.ch>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	David Miller <davem@...emloft.net>,
	Reinette Chatre <reinette.chatre@...el.com>,
	Kalle Valo <kalle.valo@....fi>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mohamed Abbas <mohamed.abbas@...el.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	"John W. Linville" <linville@...driver.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Stephan von Krawczynski <skraw@...net.com>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH 0/5] Candidate fix for increased number of GFP_ATOMIC
	failures V2

On Sat, Oct 24, 2009 at 02:46:56PM +0100, Mel LKML wrote:
> Hi,

Hi,

> On 10/23/09, Karol Lewandowski <karol.k.lewandowski@...il.com> wrote:
> > On Fri, Oct 23, 2009 at 06:58:10PM +0200, Karol Lewandowski wrote:

> > Ok, I've tested patches 1+2+4 and bug, while very hard to trigger, is
> > still present. I'll test complete 1-4 patchset as time permits.

Sorry for silence, I've been quite busy lately.


> And also patch 5 please which is the revert. Patch 5 as pointed out is
> probably a red herring. Hwoever, it has changed the timing and made a
> difference for some testing so I'd like to know if it helps yours as
> well.

I've tested patches 1+2+3+4 in my normal usage scenario (do some work,
suspend, do work, suspend, ...) and it failed today after 4 days (== 4
suspend-resume cycles).

I'll test 1-5 now.


Thanks.
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