From owner-freebsd-hackers  Wed Sep 25  0: 4:41 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id C495E37B401; Wed, 25 Sep 2002 00:04:40 -0700 (PDT)
Received: from spider.deepcore.dk (cpe.atm2-0-56339.0x50c6aa0a.abnxx2.customer.tele.dk [80.198.170.10])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 9D00E43E3B; Wed, 25 Sep 2002 00:04:34 -0700 (PDT)
	(envelope-from sos@spider.deepcore.dk)
Received: (from sos@localhost)
	by spider.deepcore.dk (8.12.5/8.12.6) id g8P74Wrh083937;
	Wed, 25 Sep 2002 09:04:32 +0200 (CEST)
	(envelope-from sos)
From: Soeren Schmidt <sos@spider.deepcore.dk>
Message-Id: <200209250704.g8P74Wrh083937@spider.deepcore.dk>
Subject: Re: READ_BIG - ILLEGAL REQUEST at very end of CD
In-Reply-To: <Pine.NEB.3.96L.1020924231137.29616H-100000@fledge.watson.org>
To: Robert Watson <rwatson@FreeBSD.ORG>
Date: Wed, 25 Sep 2002 09:04:32 +0200 (CEST)
Cc: Sean Hamilton <sh@planetquake.com>, hackers@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL98b (25)]
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset=ISO-8859-1
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

It seems Robert Watson wrote:
> Yeah, it's odd actually.  I burnt myself a CD this morning using my Mac OS
> X box, and it appeared to be fine on an older -CURRENT box and on the Mac.
> Stuck it in my far-more-recent -CURRENT box and it died horribly.  Or at
> least, it gave the same error you're reporting.  I'm going to try to track
> it down -- the three suspects are (1) the marker I used to write on the CD
> was more caustic than I thought, (2) my CD-ROM drive is broken in my
> notebook and it went undiscovered until now, and (3) something changed in
> the ATA code to cause me suffering.

Hmm, it could be that the size calculation fails for some setups
(again, we have suffered pain here before due to various incarnations
of drive firmware), causing the driver to try issueing a read that 
goes beyond EOM.

-Søren

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message