Return-Path: <linux-kernel-owner+willy=40w.ods.org@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id <S318268AbSIBKeQ>; Mon, 2 Sep 2002 06:34:16 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org
	id <S318270AbSIBKeP>; Mon, 2 Sep 2002 06:34:15 -0400
Received: from pc-80-195-6-65-ed.blueyonder.co.uk ([80.195.6.65]:64896 "EHLO
	sisko.scot.redhat.com") by vger.kernel.org with ESMTP
	id <S318268AbSIBKeP>; Mon, 2 Sep 2002 06:34:15 -0400
Date: Mon, 2 Sep 2002 11:38:34 +0100
From: "Stephen C. Tweedie" <sct@redhat.com>
To: Alex Riesen <fork0@users.sourceforge.net>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, sct@redhat.com,
       akpm@zip.com.au, adilger@clusterfs.com
Subject: Re: 2.4.20-pre1-ac1: Filesystem panic attempting to mount ext3
Message-ID: <20020902113834.E2507@redhat.com>
References: <20020901071327.GA404@steel>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5.1i
In-Reply-To: <20020901071327.GA404@steel>; from fork0@users.sourceforge.net on Sun, Sep 01, 2002 at 09:13:27AM +0200
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1137
Lines: 33

Hi,

On Sun, Sep 01, 2002 at 09:13:27AM +0200, Alex Riesen wrote:
 
> the problem appeared on the first partition of an ide
> IBM-DHEA-36481 with one fat partition on it. I repartioned
> the device (4 primaries) and "mke2fs -j" three of them.
> 
> Than i tried to mount the newly created filesystems and got
> this in syslog:
> 
> Sep  1 08:47:32 steel kernel: FAT: Did not find valid FSINFO signature.

Which version of e2fsprogs?

> Assuming that some garbage was left on the disk event after mke2fs,
> i did "dd if=/dev/zero of=/dev/hdd1 bs=512", which cured the problem,
> after being followed by mke2fs.

mke2fs from older versions of e2fsprogs didn't clear out all the
filesystem and md signatures on a new filesystem.  

The right way to avoid this is to tell the kernel to mount the fs as
ext2 or ext3 explicitly, not to rely on the fs-type autodetection in
mount().

Cheers,
 Stephen
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/