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# uname -a
FreeBSD host.my.domain 4.7-STABLE FreeBSD 4.7-STABLE #18: Mon Nov 11 02:35:13 JST 2002     kanai@host.my.domain:/usr/obj/usr/src/sys/GENERIC  i386


# usbdevs -v
Controller /dev/usb0:
addr 1: self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00
 port 1 addr 3: self powered, config 1, CDRRW10(0x0d0b), GENERIC(0x04da), rev 0.00


/var/log/messages
Nov 12 22:15:35 host /kernel: umass0: GENERIC CDRRW10, rev 2.00/0.00, addr 3
Nov 12 22:16:37 host /kernel: cd0 at umass-sim0 bus 0 target 0 lun 0
Nov 12 22:16:37 host /kernel: cd0: <GENERIC CDRRW10 1.00> Removable CD-ROM SCSI-0 device
Nov 12 22:16:37 host /kernel: cd0: 650KB/s transfers
Nov 12 22:16:37 host /kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present

# mount_cd9660 /dev/cd0c /mnt
¡ôCD-ROM¥Þ¥¦¥ó¥ÈÀ®¸ù

# cdrecord -scanbus
Cdrecord 1.11a39 (i386-unknown-freebsd4.7) Copyright (C) 1995-2002 J¡¦g Schilling
Using libscg version 'schily-0.7'
scsibus0:
        0,0,0     0) 'GENERIC ' 'CDRRW10         ' '1.00' Removable CD-ROM
        0,1,0     1) *
        0,2,0     2) *
        0,3,0     3) *
        0,4,0     4) *
        0,5,0     5) *
        0,6,0     6) *
        0,7,0     7) *

# cdrecord -v dev=0,0,0 a.iso
Cdrecord 1.11a39 (i386-unknown-freebsd4.7) Copyright (C) 1995-2002 Jöòg Schillin
g
TOC Type: 1 = CD-ROM
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Using libscg version 'schily-0.7'
atapi: 0
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   :
Vendor_info    : 'GENERIC '
Identifikation : 'CDRRW10         '
Revision       : '1.00'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : MMC-2 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R
FIFO size      : 4194304 = 4096 KB
Track 01: data    20 MB
Total size:       22 MB (02:16.56) = 10242 sectors
Lout start:       23 MB (02:18/42) = 10242 sectors
Current Secsize: 2048
cdrecord: Input/output error. read disk info: scsi sendcmd: retryable error
CDB:  51 00 00 00 00 00 00 00 04 00
status: 0x0 (GOOD STATUS)
cmd finished after 0.000s timeout 240s
cdrecord: Cannot get disk type.

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/var/log/messages
Nov 12 22:46:20 host /kernel: umass0: Unsupported ATAPI command 0x5c
Nov 12 22:46:20 host /kernel: umass0: Unsupported ATAPI command 0x3c
Nov 12 22:46:21 host /kernel: umass0: Unsupported ATAPI command 0x43
Nov 12 22:46:21 host /kernel: umass0: Unsupported ATAPI command 0x51
Nov 12 22:46:21 host /kernel: umass0: Unsupported ATAPI command 0x35
Nov 12 22:47:01 host /kernel: umass0: Unsupported ATAPI command 0x5c
Nov 12 22:47:01 host /kernel: umass0: Unsupported ATAPI command 0x3c
Nov 12 22:47:03 host /kernel: umass0: Unsupported ATAPI command 0x43
Nov 12 22:47:03 host /kernel: umass0: Unsupported ATAPI command 0x51
Nov 12 22:47:03 host /kernel: umass0: Unsupported ATAPI command 0x35