Unexpected busfree in Data-out phase when using SCA80 -> 68pine drive adaptor

[Justin T. Gibbs]

> GEOM: create disk da7 dp=0xc4639850
> da7 at ahc0 bus 0 target 8 lun 0
> da7: <SEAGATE ST318203LC 0002> Fixed Direct Access SCSI-2 device
> da7: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing
> Enabled
> da7: 17366MB (35566480 512 byte sectors: 255H 63S/T 2213C)
> (da7:ahc0:0:8:0): Unexpected busfree in Data-out phase
> SEQADDR == 0x5f
> (da7:ahc0:0:8:0): WRITE(06). CDB: a 5 bd df 80 0
> (da7:ahc0:0:8:0): CAM Status: SCSI Status Error
> (da7:ahc0:0:8:0): SCSI Status: Check Condition
> (da7:ahc0:0:8:0): UNIT ATTENTION asc:29,1
> (da7:ahc0:0:8:0): Power on occurred field replaceable unit: 1
> (da7:ahc0:0:8:0): Retrying Command (per Sense Data)
> 
> 
> The above error occurs when I try to init the disk when it's plugged into
> a single SCA80 -> 68pin drive adaptor, this particular drive adaptor has
> no part number that I can find, but does have 3 IC's on it, no other
> singel dive adaptor i have ever seen has had these chips.

Well, your SCA-68pin adapters are at fault.  The drive is experiencing
flakey power which it clearly says via the sense information.  There
is nothing that can be done in software to correct for this hardware
issue.

--
Justin