Date: 30 Jul 2002 11:46:02 -0600 From: Jason Baker <jbaker@cs.utah.edu> To: Chris Shenton <chris@shenton.org> Cc: questions@FreeBSD.ORG, multimedia@FreeBSD.ORG Subject: Re: PhotoCD: ata/acd mount issue, data overrun with lockup Message-ID: <6zheihp0rp.fsf@nephi.cs.utah.edu> In-Reply-To: <87d6tcgfan.fsf@thanatos.shenton.org> References: <87d6tcgfan.fsf@thanatos.shenton.org>
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Chris Shenton <chris@shenton.org> writes: > A friend gave me a CD burned by a film processing lab and I had > problems mounting or dd'ing it off: > > thanatos# mount /dev/acd0a /cdrom > mount: /dev/acd0a on /cdrom: incorrect super block > > thanatos# mount_msdos /dev/acd0a /cdrom > mount_msdos: /dev/acd0a: Invalid argument > > thanatos# mount_cd9660 /dev/acd0a /cdrom > mount_cd9660: /dev/acd0a: Invalid argument > > thanatos# dd if=/dev/acd0c of=/tmp/cdnoise > dd: /dev/acd0c: Invalid argument > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000214 secs (0 bytes/sec) > > I was finally able to mount it per the hint on the mount_cd9660 man > page with: > > thanatos# mount_cd9660 -o rw -v -s 0 /dev/acd0c /cdrom/ Ah, I had the same problem when I tried to create my own multisession cd. What the hell does `-s <non-zero>' do exactly? Does it mount the combined filesystem of that session and all previous ones, or just the filesystem on that particular track. Does freebsd read multisession discs at all? Jason To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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