"SCSI sense: UNIT ATTENTION"

[bsalinux at gmail.com]

Double check the cables. Do you see these errors at boot time or when
using the device?
Can you plug the drive in another system and see if it works?


On Thu, Mar 1, 2012 at 11:40 AM, Xavier FreeBSD questions
<xavierfreebsdquestions at gmail.com> wrote:
> Hi,
>
> I have:
>
> 9.0-RELEASE
>
> and this problem:
>
> ugen4.8: <LaCie> at usbus4
> umass2: <LaCie LaCie DVDRW USB, class 0/0, rev 2.00/0.00, addr 8> on usbus4
> umass2:  8070i (ATAPI) over Bulk-Only; quirks = 0x0100
> umass2:4:2:-1: Attached to scbus4
> (probe0:umass-sim2:2:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> (probe0:umass-sim2:2:0:0): CAM status: SCSI Status Error
> (probe0:umass-sim2:2:0:0): SCSI status: Check Condition
> (probe0:umass-sim2:2:0:0): SCSI sense: UNIT ATTENTION asc:29,0 (Power on,
> reset,
>  or bus device reset occurred)
> cd1 at umass-sim2 bus 2 scbus4 target 0 lun 0
> cd1: <_NEC DVD_RW ND-3500AG 2.07> Removable CD-ROM SCSI-0 device
> cd1: 40.000MB/s transfers
> cd1: cd present [2295104 x 2048 byte records]
> (cd1:umass-sim2:2:0:0): READ(10). CDB: 28 0 0 23 5 3f 0 0 1 0
> (cd1:umass-sim2:2:0:0): CAM status: SCSI Status Error
> (cd1:umass-sim2:2:0:0): SCSI status: Check Condition
> (cd1:umass-sim2:2:0:0): SCSI sense: ILLEGAL REQUEST asc:64,0 (Illegal mode
> for t
> his track)
> (cd1:umass-sim2:2:0:0): Info: 0x23053f
> (cd1:umass-sim2:2:0:0): cddone: got error 0x6 back
>
> The DVDRW don't work correctly, ant idea for solvent this problem ?
>
> Thanks.
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