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To: Fish <fish@fish-mail.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 02 Oct 2003 11:24:01 -0400
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Subject: Re: Is My DVD Drive Failing, or Have I Mangled Something?
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Fish <fish@fish-mail.com> writes:

> su-2.05b# mount /cdrom/
> cd9660: /dev/acd0: Input/output error

Well, of *course* you can't do that with an audio disk...

> bash-2.05b$ dmesg -a | grep acd
> acd0: DVDROM <TOSHIBA DVD-ROM SD-C2502> at ata0-slave UDMA33
> acd0: FAILURE - TEST_UNIT_READY status=51<READY,DSC,ERROR>
> sensekey=MEDIUM ERROR error=0

Yep, hardware problems.  If it happens with many different media, then
it must be the drive.  *Maybe* cleaning it would help.