From: Hugh Dickins <hugh@veritas.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Tilman Schmidt <tilman@imap.cc>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)
Date: Sat, 28 Apr 2007 23:06:21 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.64.0704282300080.2223@blonde.wat.veritas.com> (raw)
In-Reply-To: <20070428141024.887342bd.akpm@linux-foundation.org>
On Sat, 28 Apr 2007, Andrew Morton wrote:
>
> It seems wildly screwed up that we have a PageReserved() page with a pfn of
> zero (!) which claims to be in a reiserfs mapping, only it isn't attached
> to a reiserfs file. How the heck did that happen?
It's "simply" that it somehow got a spurious page table entry 00000001.
Great that it's so reproducible, I take that to mean this one is not
bad RAM. Your request for a bisection is just what we want, thanks.
Hugh
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next prev parent reply other threads:[~2007-04-28 22:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070425225716.8e9b28ca.akpm@linux-foundation.org>
[not found] ` <46338AEB.2070109@imap.cc>
2007-04-28 21:10 ` Andrew Morton
2007-04-28 22:06 ` Hugh Dickins [this message]
2007-04-30 17:17 ` Tilman Schmidt
2007-04-30 18:21 ` Andrew Morton
2007-04-30 19:28 ` Tilman Schmidt
2007-04-30 19:46 ` Andrew Morton
2007-04-30 21:32 ` Tilman Schmidt
2007-05-01 11:26 ` Tilman Schmidt
2007-05-02 3:10 ` Greg KH
2007-05-02 7:01 ` Tilman Schmidt
2007-05-02 7:02 ` Greg KH
2007-05-02 7:10 ` Andrew Morton
2007-05-02 7:28 ` Greg KH
2007-05-02 7:43 ` Greg KH
2007-05-02 9:41 ` Tilman Schmidt
2007-05-02 22:06 ` Greg KH
2007-05-02 12:14 ` Kay Sievers
2007-05-02 7:52 ` Greg KH
2007-05-02 17:36 ` Tilman Schmidt
2007-05-02 20:07 ` Andrew Morton
2007-05-02 21:22 ` Tilman Schmidt
2007-05-02 7:10 ` Nick Piggin
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