From owner-freebsd-scsi  Sun Nov 12 17:10:47 2000
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Date: Sun, 12 Nov 2000 18:10:34 -0700
From: "Kenneth D. Merry" <ken@kdm.org>
To: Graham Guttocks <graham_guttocks@yahoo.co.nz>
Cc: freebsd-scsi@FreeBSD.ORG, freebsd-multimedia@FreeBSD.ORG
Subject: Re: my first coaster with cdrecord/FreeBSD :-(
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References: <20001113010320.48820.qmail@web10304.mail.yahoo.com>
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On Mon, Nov 13, 2000 at 14:03:20 +1300, Graham Guttocks wrote:
> After burning nearly a dozen CD-Rs with my new Plextor PX-W1210S
> CD-RW drive, my luck ran out.  Can anyone interpret what these errors
> mean? (see attached output) Is this a problem with cdrecord, hardware, 
> or with the FreeBSD SCSI driver?  
> 
> BTW, I was burning an audio CD and following the cdrecord man-page example
> to "record an audio CD in the most accurate way" as I always have:
> 
> cdda2wav -v255 -D2,0 -B -Owav ; cdrecord -v dev=2,0 -dao -useinfo *.wav
> 
> Also, after this error, I tried again with new media and didn't have any
> problems.  However, it's these type of transitory errors that make me lose
> confidence in my burning routine..

[ ... ]

> Starting new track at sector: 160305
> Track 08:  22 of  53 MB written (fifo 100%).cdrecord: Input/output error.
> write_g1: scsi sendcmd: retry
> able error
> CDB:  2A 00 00 02 98 E6 00 00 1B 00
> status: 0x2 (CHECK CONDITION)
> Sense Bytes: F0 00 03 00 02 99 7C 0A 00 00 00 00 0C 07 00 00 00 00
> Sense Key: 0x3 Medium Error, Segment 0
> Sense Code: 0x0C Qual 0x07 (write error - recovery needed) Fru 0x0
> Sense flags: Blk 170364 (valid) 

This looks like a bad block on the CD.  Thus the reason it worked when you
tried again with a new CD.  (Which is probably the right approach to take
to fix the problem.)

Ken
-- 
Kenneth Merry
ken@kdm.org


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