From owner-freebsd-questions Mon Apr 2 11:30: 7 2001 Delivered-To: freebsd-questions@freebsd.org Received: from gifw.genroco.com (genroco.com [205.254.195.202]) by hub.freebsd.org (Postfix) with ESMTP id 3B9CD37B726 for ; Mon, 2 Apr 2001 11:30:04 -0700 (PDT) (envelope-from hetzels@westbend.net) Received: from gi2.genroco.com (IDENT:root@gi2.genroco.com [192.133.120.3]) by gifw.genroco.com (8.9.3/8.9.3) with ESMTP id NAA28742; Mon, 2 Apr 2001 13:30:02 -0500 Received: from scot.genroco.com (scot.genroco.com [192.133.120.125]) by gi2.genroco.com (8.9.3/8.9.3) with SMTP id NAA01192; Mon, 2 Apr 2001 13:30:02 -0500 Message-ID: <02a101c0bba2$eeb1ce20$7d7885c0@genroco.com> From: "Scot W. Hetzel" To: Cc: References: Subject: Re: [FBSD-Q] Create ISO image from CDROM? Date: Mon, 2 Apr 2001 13:29:59 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6600 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG From: "Rogier Steehouder" > Mail from Scot W. Hetzel, sent 31-03-2001: > > > I am trying to create an ISO image from a hybrid CD-ROM (Windows/Mac). But > > when I try to create the image with "dd", I get the following error: > > > > # dd if=/dev/acd0c of=image.iso > > dd: /dev/acd0c: Bad address > > 0+0 records in > > 0+0 records out > > 0 bytes transferred in 2.128974 secs (0 bytes/sec) > > > > How do I create the ISO image file from the CD? > > I recently learned you should specify a blocksize when reading from > CD-ROM: bs=2048. I haven't tried yet and I don't know the exact number > for sure. > Thanks for the tip, I used: dd bs=2048 if=/dev/acd0c of=image.iso and that made a iso image of the CD-ROM. Scot To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message