FreeBSD vs Region Code DVDs

[Tijl Coosemans]

On Friday 04 May 2007 21:15:23 Ulrich Spoerlein wrote:
> Tijl Coosemans wrote:
> > On Thursday 03 May 2007 20:16:46 Ulrich Spoerlein wrote:
> > > I can not even read a single sector from such a DVD with the
> > > external drive, but it's working just fine with the internal one.
> > > It's really driving me nuts.
> > 
> > Maybe you have to change the drive region code (RPC 2). I had to do
> > this a couple years ago with a laptop's internal drive. Either that or
> > you need to find a patched firmware to make the drive region free
> > (RPC 1).
> 
> Sadly, your programs don't work. Neither for the interal drive, nor for
> the external one. No matter which media I have inserted:
> 
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): Vendor Specific Command. CDB: a4 0 0 0 0 0 0 0 0 8 8 0 
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): SCSI Status: Check Condition
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): ILLEGAL REQUEST asc:24,0
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): Invalid field in CDB
> May  4 21:09:43 roadrunner kernel: (cd0:umass-sim0:0:0:0): Unretryable error
> 
> 
> May  4 21:10:22 roadrunner kernel: acd0: FAILURE - REPORT_KEY ILLEGAL REQUEST asc=0x24 ascq=0x00 
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): Vendor Specific Command. CDB: a4 0 0 0 0 0 0 0 0 8 8 0 
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): CAM Status: SCSI Status Error
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): SCSI Status: Check Condition
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): ILLEGAL REQUEST asc:24,0
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): Invalid field in CDB
> May  4 21:10:22 roadrunner kernel: (cd1:ata1:0:0:0): Unretryable error

I can't tell you what's wrong here. The CDB looks correct to me. Maybe
there have to be more negotiations before the rpc info can be requested?