Date: Mon, 18 Oct 2004 10:27:12 -0700 From: George Hartzell <hartzell@kestrel.alerce.com> To: freebsd-questions@freebsd.org Subject: dvd ram on 5.3Beta4 (write protected?) Message-ID: <16755.64752.458751.850105@satchel.alerce.com>
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I have access to a stack of blank dvd-ram disks, so I'm trying to learn how to use them in my IBM t42p with a dvd-multi burner. This is (I think) the burner that I have: http://www-306.ibm.com/common/ssi/OIX.wss?DocURL=http://d03xhttpcl001g.boulder.ibm.com/common/ssi/rep_ca/0/897/ENUS904-200/../../../4/897/ENUS104-214/../../../6/897/ENUS103-066/index.html&InfoType=AN I've built a kernel w/ atapicam support, and can burn cd's and dvd-r's (via growisofs). When I put a disk in the drive, it says: (root@satchel)[10:19am]~>>dvd+rw-mediainfo /dev/cd0 INQUIRY: [MATSHITA][DVD-RAM UJ-812 ][K103] GET [CURRENT] CONFIGURATION: Mounted Media: 12h, DVD-RAM Current Write Speed: 1.0x1385=1385KB/s Write Speed #0: 1.0x1385=1385KB/s Speed Descriptor#0: 01/1218959 R@1.0x1385=1385KB/s W@1.0x1385=1385KB/s READ DVD STRUCTURE[#0h]: Media Book Type: 11h, DVD-RAM book [revision 1] Legacy lead-out at: 1287296*2KB=2636382208 DVD-RAM SPARE AREA INFORMATION: Primary SA: 65072/12800=508.4% free READ DISC INFORMATION: Disc status: other Number of Sessions: 1 State of Last Session: complete "Next" Track: 1 Number of Tracks: 1 READ FORMAT CAPACITIES: :-( allocation length isn't sane 8 FABRICATED TOC: Track#1 : 14@0 Track#AA : 14@1218960 Multi-session Info: #1@0 READ CAPACITY: 1218960*2048=2496430080 But if I try to put a label on the disk, it says: (satchel)[10:20am]~>>sudo disklabel -A cd0 disklabel: /dev/cd0: no valid label found (satchel)[10:20am]~>>sudo disklabel -w cd0 disklabel: write /dev/cd0: Permission denied (satchel)[10:20am]~>> And I see the following in /var/log/messages: Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 4 0 Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): CAM Status: SCSI Status Error Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): SCSI Status: Check Condition Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): DATA PROTECT asc:27,0 Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): Write protected Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): Unretryable error Oct 18 10:20:29 satchel kernel: (cd0:ata1:0:0:0): cddone: got error 0xd back Is there something that I need to do to make the disk usable? I've tried various incantations of dvd+rw-format, but I don't know what I'm doing and none of them seemed to work. g.
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