cannot erase cd-rw

[Fabian Keil]

Brian John <brianjohn at fusemail.com> wrote:

> For some reason, I can't erase cd-rws.  I have tried K3b, cdrecord
> and burncd.  Below is the output from cdrecord, can someone please
> help out?
> 
> sudo cdrecord -v blank=all dev=1,1,0
> Password:
> Cdrecord-Clone 2.01 (i386-unknown-freebsd5.4) Copyright (C) 1995-2004 
> Jörg Schilling
> TOC Type: 1 = CD-ROM
> scsidev: '1,1,0'
> scsibus: 1 target: 1 lun: 0
> Using libscg version 'schily-0.8'.
> SCSI buffer size: 64512
> atapi: 0
> Device type    : Removable CD-ROM
> Version        : 0
> Response Format: 1
> Vendor_info    : 'ATAPI   '
> Identifikation : 'CD-R/RW 48X16   '
> Revision       : '9.EK'
> Device seems to be: Generic mmc CD-RW.
> Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
> Driver flags   : MMC-2 SWABAUDIO BURNFREE
> Supported modes: TAO PACKET SAO RAW/R16 RAW/R96R
> Drive buf size : 1630208 = 1592 KB
> Current Secsize: 2048
> ATIP info from disk:
>   Indicated writing power: 3
>   Reference speed: 6
>   Is not unrestricted
>   Is erasable
>   Disk sub type: High speed Rewritable (CAV) media (1)
>   ATIP start of lead in:  -11635 (97:26/65)
>   ATIP start of lead out: 359849 (79:59/74)
>   1T speed low:  4 1T speed high: 10
>   2T speed low:  4 2T speed high:  0 (reserved val  6)
>   power mult factor: 1 5
>   recommended erase/write power: 3
>   A1 values: 24 1A BC
>   A2 values: 26 B2 26
> Disk type:    Phase change
> Manuf. index: 3
> Manufacturer: CMC Magnetics Corporation
> Starting to write CD/DVD at speed 12 in real BLANK mode for single
> session. Last chance to quit, starting real write    0 seconds.
> Operation starts. Performing OPC...
> Blanking entire disk
> cdrecord: Input/output error. blank unit: scsi sendcmd: retryable
> error CDB:  A1 00 00 00 00 00 00 00 00 00 00 00
> status: 0x2 (CHECK CONDITION)
> Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 A1 10 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00
> Sense Key: 0x5 Illegal Request, Segment 0
> Sense Code: 0xA1 Qual 0x10 (vendor unique sense code 0xA1) [No
> matching qualifier] Fru 0x0
> Sense flags: Blk 0 (not valid)
> cmd finished after 20.756s timeout 9600s
> cdrecord: Cannot blank disk, aborting.

I don't think that this is an FreeBSD related issue as I
just deleted some discs under 5.4 and 6.0 without trouble.

Probably it's just a compatibility problem
between your drive and the CD-RW.

"Mitsubishi Chemical Corporation" makes decent CD-RWs.
Get one of those and see if the problem remains.

Fabian
-- 
http://www.fabiankeil.de/
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