From owner-freebsd-questions Wed Sep 6 5:56:22 2000 Delivered-To: freebsd-questions@freebsd.org Received: from server.azur.cx (11dyn25.delft.casema.net [212.64.18.25]) by hub.freebsd.org (Postfix) with ESMTP id E747037B423 for ; Wed, 6 Sep 2000 05:56:15 -0700 (PDT) Received: from localhost (ewout@localhost) by server.azur.cx (8.9.3/8.9.3) with ESMTP id OAA01927; Wed, 6 Sep 2000 14:55:14 +0200 (CEST) (envelope-from ewout@azur.cx) Date: Wed, 6 Sep 2000 14:55:13 +0200 (CEST) From: Ewout Vonk To: freebsd-questions@FreeBSD.ORG Cc: pherman@frenchfries.net Subject: Re: Trouble with 'dd', my cd-rom/rw and wormcontrol on FBSD 4.1 Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi all, >> dd if=/dev/acd0c of=cd.img and >> It gives the error: 'dd: /dev/acd0c: Bad Address' >Try a different block size (and better to use the raw device), like: > dd if=/dev/racd0c of=cd.img bs=8k >...my CD-ROM seems to need a block size of at least 2k. This solved my problem right away.. My CD-ROM also needs a blocksize of at least 2k.. Thanks! >> 'wormcontrol prepdisk double' or 'wormcontrol prepdisk single' >> having done 'ln -s /dev/acd0c /dev/rworm0', error: >> 'wormcontrol: ioctl(WORMIOCPREPDISK): Inappropriate ioctl for device' >The only advide I would suggest here (if it helps at all) is: > ln -sf /dev/racd0c /dev/rworm0 > ln -sf /dev/acd0c /dev/worm0 I did this, but it doesn't make a difference.. Does anybody maybe know of any required options that should be compiled into the kernel? The drive is correctly probed at boot-time.. 'acd0: CD-RW at ata1-master using PIO3' Any help to this last problem would be greatly appreciated.. And Paul, thanks very much for your help! Best regards, Ewout Vonk To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message