Date: Thu, 23 Jul 2009 21:09:02 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: current@freebsd.org Subject: 8-current + USB CD-ROM drive + CAM layer audio extraction from CD Message-ID: <200907232109.04094.hselasky@c2i.net>
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Hi, I have a CD I want to extract audio from, giving me trouble this time. Plugging the USB CD-ROM into a MAC allows for instant audio playback. I'm pretty sure that digital audio extraction works. The USB CD-ROM drive is made by Samsung. The CD is made by forefront/EMI. At first I thought that this is another example of record labels making deals with hardware manufacturers, but I'm leaving a chance it might be a bug in the CAM layer. This is the dmesg I get: umass1: <TSSTcorp USB Mass Storage Device, class 0/0, rev 2.00/6.06, addr 7> on usbus4 umass1: 8070i (ATAPI) over Bulk-Only; quirks = 0x0000 umass1:1:1:-1: Attached to scbus1 cd0 at umass-sim1 bus 1 target 0 lun 0 cd0: <TSSTcorp CDDVDW SE-S224Q TS02> Removable CD-ROM SCSI-0 device cd0: 40.000MB/s transfers cd0: cd present [331838 x 2048 byte records] (cd0:umass-sim1:1:0:0): READ(10). CDB: 28 0 0 5 10 3d 0 0 1 0 (cd0:umass-sim1:1:0:0): CAM Status: SCSI Status Error (cd0:umass-sim1:1:0:0): SCSI Status: Check Condition (cd0:umass-sim1:1:0:0): ILLEGAL REQUEST asc:64,0 (cd0:umass-sim1:1:0:0): Illegal mode for this track (cd0:umass-sim1:1:0:0): Unretryable error (cd0:umass-sim1:1:0:0): cddone: got error 0x6 back How should I proceed debugging this? I might be able to sniff the USB cable of the drive to figure out what the MAC is doing as a reference. --HPS
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