linux-kernel - Re: fs periodic check (was Re: 2.6.22-rc1 killed my ext3 filesystem cleanly unmounted)

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Message-ID: <20070528130318.GL18807@elf.ucw.cz>
Date:	Mon, 28 May 2007 15:03:18 +0200
From:	Pavel Machek <pavel@....cz>
To:	Jan Kara <jack@...e.cz>
Cc:	Theodore Tso <tytso@....edu>,
	Martin Mokrejs <mmokrejs@...osome.natur.cuni.cz>,
	Jesper Juhl <jesper.juhl@...il.com>,
	linux-kernel@...r.kernel.org, ext3-users@...hat.com
Subject: Re: fs periodic check (was Re: 2.6.22-rc1 killed my ext3 filesystem cleanly unmounted)

Hi!

> > But here's what I've got:
> > 
> > oot@...tz:/home/pavel# fsck.ext2 -f /dev/hda3
> > e2fsck 1.38 (30-Jun-2005)
> > Pass 1: Checking inodes, blocks, and sizes
> > Inode 371989 has illegal block(s).  Clear<y>? yes
> > 
> > Illegal block #2 (134217728) in inode 371989.  CLEARED.
> > Pass 2: Checking directory structure
> > 
> > i_file_acl for inode 371988 (/home/root/misc/zaurus/smail) is 131072,
> > should be zero.
> > Clear<y>? yes
> > 
> > Pass 3: Checking directory connectivity
> > Pass 4: Checking reference counts
> > Pass 5: Checking group summary information
> > Block bitmap differences:  -339972 +471044
> > Fix<y>? yes
> > 
> > Free blocks count wrong for group #10 (13882, counted=13883).
> > Fix<y>? yes
> > 
> > ...kernel 2.6.16-preempt (on zaurus). Filesystem should have been clean -- I was
> > using it till crash for half a year, but that's what journal is for,
> > right? ...But I guess this is almost impossible to debug?
>   Actually, your case doesn't seem to be hard. The first block number
> is 0x8000000 and the second one 0x20000. So something is flipping your
> bits...

Hmm, ouch. Yes, that machine was pretty unstable after repeated
suspend-to-RAMs, so I guess this is a symptom of same problem. Sorry
about noise.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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