From owner-freebsd-questions Mon Apr 2 3:23:31 2001 Delivered-To: freebsd-questions@freebsd.org Received: from studict.student.utwente.nl (studict.student.utwente.nl [130.89.220.2]) by hub.freebsd.org (Postfix) with ESMTP id DB58A37B71F for ; Mon, 2 Apr 2001 03:23:27 -0700 (PDT) (envelope-from r.j.steehouder@student.utwente.nl) Received: from kabel203069.kabel.utwente.nl (kabel203069.kabel.utwente.nl [130.89.203.69]) by studict.student.utwente.nl (8.9.3/MQT) with ESMTP id MAA04150; Mon, 2 Apr 2001 12:23:22 +0200 (METDST) Date: Mon, 2 Apr 2001 12:23:28 +0200 (West-Europa (zomertijd)) From: Rogier Steehouder Reply-To: To: "Scot W. Hetzel" Cc: Subject: Re: [FBSD-Q] Create ISO image from CDROM? In-Reply-To: <000701c0ba4f$90f79020$11f66ad8@westbend.net> Message-ID: X-Warning: UNAuthenticated Sender MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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. With kind regards, Rogier Steehouder -- ___ _ -O_\ Rogier Steehouder // | / mailto:r.j.steehouder@student.utwente.nl //\ / \ http://home.student.utwente.nl/r.j.steehouder/ // \ <----------------------- 25m ----------------------> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message