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Message-ID: <20071017023642.GB3397@redhat.com>
Date: Tue, 16 Oct 2007 22:36:42 -0400
From: Dave Jones <davej@...hat.com>
To: Arnaud Fontaine <arnaud@...esi.org>
Cc: linux-kernel@...r.kernel.org
Subject: Re: error: Eeek! page_mapcount(page) went negative! (-1) with
different process and kernels
On Wed, Oct 17, 2007 at 01:03:02AM +0200, Arnaud Fontaine wrote:
> >>>>> "Dave" == Dave Jones <davej@...hat.com> writes:
>
> Dave> Many of these that I've seen have turned out to be a hardware
> Dave> problem. Try running memtest86+ on that machine for a while.
> Dave> It doesn't catch all problems, but it will highlight more
> Dave> common memory faults.
>
> Hello,
>
> We ran memtest86+ before production, it was about one month ago. Do you
> think it could come from that anyway?
Not impossible. Hardware failures can occur at any time.
Somewhat unlikely though. As I mentioned, memtest also doesn't trap
all hardware problems. I have a board that passes memtest with flying
colours, yet dies under even slight load. Examination of the board
shows that it has leaking capacitors.
Dave
--
http://www.codemonkey.org.uk
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