linux-kernel - Re: [XFS] 2.6.29-rc2: XFS internal error XFS_WANT_CORRUPTED

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Date:	Tue, 20 Jan 2009 07:45:15 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jacek Luczak <difrost.kernel@...il.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Eric Sandeen <sandeen@...deen.net>,
	LKML <linux-kernel@...r.kernel.org>,
	xfs mailing list <xfs@....sgi.com>,
	Dave Chinner <david@...morbit.com>
Subject: Re: [XFS] 2.6.29-rc2: XFS internal error XFS_WANT_CORRUPTED_GOTO

On Tue, Jan 20, 2009 at 07:13:35AM -0500, Christoph Hellwig wrote:
> On Tue, Jan 20, 2009 at 06:49:06AM -0500, Christoph Hellwig wrote:
> > > > Just curious:  do you have CONFIG_LBD set?
> > > > 
> > > Hi Christoph,
> > > 
> > > the answer is:
> > > $ grep LBD .config
> > > # CONFIG_LBD is not set
> > 
> > Ok, let me reproduce it without that set..
> 
> Ok, on 32-bit x86 without CONFIG_LBD I can reliably reproduce the issue
> with the following script:

Bisected down to:

commit 91cca5df9bc85efdabfa645f51d54259ed09f4bf
Author: Christoph Hellwig <hch@...radead.org>
Date:   Thu Oct 30 16:58:01 2008 +1100

    [XFS] implement generic xfs_btree_delete/delrec

    Make the btree delete code generic. Based on a patch from David Chinner
    with lots of changes to follow the original btree implementations more
    closely. While this loses some of the generic helper routines for
    inserting/moving/removing records it also solves some of the one off bugs
    in the original code and makes it easier to verify.
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