From owner-freebsd-usb@FreeBSD.ORG  Fri Nov 19 14:33:43 2010
Return-Path: <owner-freebsd-usb@FreeBSD.ORG>
Delivered-To: freebsd-usb@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8AC76106566B
	for <freebsd-usb@freebsd.org>; Fri, 19 Nov 2010 14:33:43 +0000 (UTC)
	(envelope-from guru@unixarea.de)
Received: from ms16-1.1blu.de (ms16-1.1blu.de [89.202.0.34])
	by mx1.freebsd.org (Postfix) with ESMTP id 4B63E8FC18
	for <freebsd-usb@freebsd.org>; Fri, 19 Nov 2010 14:33:43 +0000 (UTC)
Received: from [88.217.17.230] (helo=current.Sisis.de)
	by ms16-1.1blu.de with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32)
	(Exim 4.69) (envelope-from <guru@unixarea.de>) id 1PJS20-0002KO-GT
	for freebsd-usb@freebsd.org; Fri, 19 Nov 2010 15:33:40 +0100
Received: from current.Sisis.de (current [127.0.0.1])
	by current.Sisis.de (8.14.3/8.14.3) with ESMTP id oAJEXcBm003080
	for <freebsd-usb@freebsd.org>; Fri, 19 Nov 2010 15:33:38 +0100 (CET)
	(envelope-from guru@unixarea.de)
Received: (from guru@localhost)
	by current.Sisis.de (8.14.3/8.14.3/Submit) id oAJEXbCq003079
	for freebsd-usb@freebsd.org; Fri, 19 Nov 2010 15:33:37 +0100 (CET)
	(envelope-from guru@unixarea.de)
X-Authentication-Warning: current.Sisis.de: guru set sender to
	guru@unixarea.de using -f
Date: Fri, 19 Nov 2010 15:33:37 +0100
From: Matthias Apitz <guru@unixarea.de>
To: freebsd-usb@freebsd.org
Message-ID: <20101119143337.GA3023@current.Sisis.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
X-Operating-System: FreeBSD 8.0-CURRENT (i386)
User-Agent: Mutt/1.5.19 (2009-01-05)
X-Con-Id: 51246
X-Originating-IP: 88.217.17.230
Subject: copying /dev/da0 with dd(1) to file: output differs
X-BeenThere: freebsd-usb@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Matthias Apitz <guru@unixarea.de>
List-Id: FreeBSD support for USB <freebsd-usb.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-usb>,
	<mailto:freebsd-usb-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-usb>
List-Post: <mailto:freebsd-usb@freebsd.org>
List-Help: <mailto:freebsd-usb-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-usb>,
	<mailto:freebsd-usb-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 19 Nov 2010 14:33:43 -0000


Hello,

How is this possible:

$ dd if=/dev/da0 of=f1
7892087+0 records in
7892087+0 records out
$ dd if=/dev/da0 of=f2
7892087+0 records in
7892087+0 records out
$ diff f1 f1
Files f1 and f2 differ

(and no, /dev/da0s1a is not mounted).

Thx

	matthias

-- 
Matthias Apitz
t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211
e <guru@unixarea.de> - w http://www.unixarea.de/