Date: Thu, 24 May 2007 23:07:52 -0500
To: Jan Kara <jack@suse.cz>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Oops in dentry_iput with 2.6.22-rc2 on AMD64
Message-ID: <20070525040752.GB5762@iucha.net>
References: <20070522041036.GD6074@iucha.net> <20070522095711.GB27428@atrey.karlin.mff.cuni.cz>
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From: florin@iucha.net (Florin Iucha)
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On Tue, May 22, 2007 at 11:57:11AM +0200, Jan Kara wrote:
> > I was running a multithreaded perl application that leaks some memory
> > so it gets to eat up a significant chunk of my 2 GB and even push a
> > bit into swap.  I left it running before going out for a walk.
>   Hmm, what seems suspitious is, that in R12 (which probably contains
> the address dereferenced later) is address ffff9100... while all other
> addresses start with ffff8100. So it seems to me it could be a 1-bit
> flip. Care to check your memory with memtest?

I let it run overnight: 8 passes and no surprises.  This is a system
that has been quite stable for a year and a half, except finding the
occasional kernel bug ;)

>   Also this is a code all other people use all the time so I guess we
> would see more reports if this was some general bug...

Haven't got any more oopses like that, either.

Thanks,
florin

--=20
Bruce Schneier expects the Spanish Inquisition.
      http://geekz.co.uk/schneierfacts/fact/163

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