linux-kernel - Re: 3.4-rc7 numa

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Message-ID: <alpine.DEB.2.00.1205211540010.10940@router.home>
Date:	Mon, 21 May 2012 15:41:30 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Dave Jones <davej@...hat.com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Stephen Wilson <wilsons@...rt.ca>,
	Mel Gorman <mgorman@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 3.4-rc7 numa_policy slab poison.

On Mon, 21 May 2012, Dave Jones wrote:

> On Mon, May 21, 2012 at 03:18:38PM -0500, Christoph Lameter wrote:
>
>  > Its always an mput on a freed memory policy. Slub recovery keeps my system
>  > up at least. I just get the errors dumped to dmesg.
>  >
>  > Is there any way to get the trinity tool to stop when the kernel writes
>  > errors to dmesg? That way I could see the parameters passed to mbind?
>
> another way might be to remove the -q argument, and use -p which inserts
> a pause() after each syscall.

Without -q it does not trigger anymore. Output is slow so I guess there is
some race condition that does not occur when things occur with less
frequency.

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