linux-kernel - Re: [Question] race condition in mm/page

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Message-ID: <y2r5f4a33681004012348q2b613930o6fc3c9d7060d9107@mail.gmail.com>
Date:	Fri, 2 Apr 2010 14:48:00 +0800
From:	TAO HU <tghk48@...orola.com>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	"Ye Yuan.Bo-A22116" <yuan-bo.ye@...orola.com>,
	Chang Qing-A21550 <Qing.Chang@...orola.com>,
	linux-arm-kernel@...ts.infradead.org, Mel Gorman <mel@....ul.ie>
Subject: Re: [Question] race condition in mm/page_alloc.c regarding page->lru?

Hi, Minchan Kim

It is hard to reproduce the problem.
We only observed it  twice in the past month.
And it randomly occurred a few more times before.

So I'm afraid neither git-bisect nor QEMU-goldfish would help.

On Fri, Apr 2, 2010 at 1:13 PM, Minchan Kim <minchan.kim@...il.com> wrote:
> On Fri, Apr 2, 2010 at 12:51 PM, TAO HU <tghk48@...orola.com> wrote:
>> 2 patches related to page_alloc.c were applied.
>> Does anyone see a connection between the 2 patches and the panic?
>
> Seem to not related to the problem.
> I don't have seen the problem before.
>
> Could you git-bisect to make sure which patch makes bug?
> Is it reproducible?
> Can I reproduce it in QEMU-goldfish?
>
> --
> Kind regards,
> Minchan Kim
>
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