From: Andreas Dilger <adilger@sun.com>
To: Eric Sandeen <sandeen@redhat.com>
Cc: Justin Maggard <jmaggard10@gmail.com>,
nicholas.dokos@hp.com,
ext4 development <linux-ext4@vger.kernel.org>,
"Theodore Ts'o" <tytso@mit.edu>
Subject: Re: [PATCH] libext2fs: use ext2fs_blocks_count() in ext2fs_open2()
Date: Wed, 02 Sep 2009 16:55:31 -0600 [thread overview]
Message-ID: <20090902225531.GD4197@webber.adilger.int> (raw)
In-Reply-To: <4A9EF2AB.3090602@redhat.com>
On Sep 02, 2009 17:33 -0500, Eric Sandeen wrote:
> Justin Maggard wrote:
> > On Wed, Sep 2, 2009 at 2:43 PM, Eric Sandeen<sandeen@redhat.com> wrote:
> >> You guys are still getting bad checksums?
> >
> > Yeah, I am.
>
> Oh, sorry, all the other bugs gave me a head-fake, and I forgot the
> original problem of -fsck- corrupting the checksums. :) I had a simple
> mkdir giving me the corruptions. Ok, on to that.
I found the source of the checksum error last night - the reserved bytes
in the 64-bit group descriptor are not zero after the e2fsck is run.
It should be pretty easy to run e2fsck under gdb and put a hardware watch
on those bytes to see who twiddles them.
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
next prev parent reply other threads:[~2009-09-02 22:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 21:43 [PATCH] libext2fs: use ext2fs_blocks_count() in ext2fs_open2() Eric Sandeen
2009-09-02 5:59 ` Andreas Dilger
2009-09-02 6:05 ` Justin Maggard
2009-09-02 16:43 ` Eric Sandeen
2009-09-02 21:02 ` Nick Dokos
2009-09-02 21:28 ` Justin Maggard
2009-09-02 21:31 ` Eric Sandeen
2009-09-02 21:37 ` Nick Dokos
2009-09-02 21:43 ` Eric Sandeen
2009-09-02 21:45 ` Justin Maggard
2009-09-02 22:33 ` Eric Sandeen
2009-09-02 22:55 ` Andreas Dilger [this message]
2009-09-03 2:41 ` Eric Sandeen
2009-09-02 22:28 ` Theodore Tso
2009-09-02 23:12 ` Nick Dokos
2009-09-06 16:37 ` [PATCH] Fix counting routines in blknum.c to take/return __u32 counts Theodore Tso
2009-09-06 17:41 ` Nick Dokos
2009-09-06 18:19 ` Theodore Tso
2009-09-06 16:30 ` [PATCH] libext2fs: use ext2fs_blocks_count() in ext2fs_open2() Theodore Tso
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