linux-kernel - Re: 2.6.26-rc5-mm2: OOM with 1G free swap

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Date:	Wed, 11 Jun 2008 09:31:01 +0200
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	linux-mm@...ck.org, nickpiggin@...oo.com.au,
	Rik van Riel <riel@...hat.com>
Subject: Re: 2.6.26-rc5-mm2: OOM with 1G free swap

Hi,

On Wed, Jun 11, 2008 at 03:36:40PM +0900, KOSAKI Motohiro wrote:
> > > vm.overcommit_memory = 0
> > > vm.overcommit_ratio = 50
> > 
> > Well I assume that Rik ran LTP.  Perhaps a merge problem.
> 
> at least, I ran LTP last week and its error didn't happend.
> I'll investigate more.
FWIW, I can reproduce it reliably:
$ cd <ltp-dir>/testcases/bin
$ ./growfiles -W gf15 -b -e 1 -u -r 1-49600 -I r -u -i 0 -L 120 Lgfile1
And then wait for a few secs before the OOM triggers.

Regards,
Frederik
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