Date: Mon, 25 Mar 2013 17:03:13 +1300 From: zulu <zulu@openvps.biz> To: "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: External USB DVD burner - DVD-RAM media Message-ID: <1364184193.514fcc81063a3@gpo.cellcontainer.com>
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Hi, I am having trouble with an external USB DVD burner LG GP60NB50 (HL-DT-ST DVDRAM GP60NB50 1.00) on FreeBSD 9.1 amd64 and 10 current amd64. The drive burns normal DVDs and CDs but fails to write DVD-RAM. DVD-RAM burning is 100% supported with this drive, managed to test it in Linux as well - all worked OK. The error I am getting with DVD-RAM running "dd if=/dev/zero of=/dev/cd0 bs=2k count=1" is: (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0 (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an error (cd0:umass-sim0:0:0:0): Retrying command (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0 (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an error (cd0:umass-sim0:0:0:0): Retrying command (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0 (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an error (cd0:umass-sim0:0:0:0): Retrying command (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0 (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an error (cd0:umass-sim0:0:0:0): Retrying command (cd0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 0 0 0 2 0 (cd0:umass-sim0:0:0:0): CAM status: CCB request completed with an error (cd0:umass-sim0:0:0:0): Error 5, Retries exhausted usbconfig: ugen1.2: at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON dmesg: cd0 at umass-sim0 bus 0 scbus3 target 0 lun 0 cd0: Removable CD-ROM SCSI-0 device cd0: 40.000MB/s transfers cd0: p\M-4/\^E The laptop I am using has no other DVD drives, just the USB external. Tried DVD-RAM burning with the same media in FreeBSD 9.1 on a different laptop with an internal DVD burning drive and that worked flawlessly. Also applied USB quirk to force ATAPI protocol but that hasn't helped either. Please could someone shed light on this and possible causes? Thanks!help
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