USB JetFlash

[Mikhail Godovitcin]

Hello!

  FreeBSD 5.4-PRERELEASE #0: Mon Mar 21 12:07:18 MSK 2005

  <JetFlash TS512MJF2B 2.00> (512Mb) works well:
> umass0: USB Flash Disk, rev 2.00/2.00, addr 2
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <JetFlash TS512MJF2B 2.00> Removable Direct Access SCSI-2 device
> da0: 1.000MB/s transfers
> da0: 500MB (1024000 512 byte sectors: 64H 32S/T 500C)
> umass0: at uhub0 port 1 (addr 2) disconnected
> (da0:umass-sim0:0:0:0): lost device
> (da0:umass-sim0:0:0:0): removing device entry
> umass0: detached

   but <JetFlash TS1GJF2B
  2.00> produses many errors:
>da0: Attempt to query device size failed: UNIT ATTENTION, Not ready to ready change,
>(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
>(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
>(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
>(da0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
>(da0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
>(da0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
>(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
>(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
>(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
>(da0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
and so on until
>(da0:umass-sim0:0:0:0): Retries Exhausted
>Opened disk da0 ->> 6
>(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
>(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
>(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
>(da0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
>(da0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
>(da0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
>(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
>(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
>(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
>(da0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
>(da0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
>(da0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
>umass0: at uhub0 port 1 (addr 2) disconnected
>(da0:umass-sim0:0:0:0): lost device
>(da0:umass-sim0:0:0:0): removing device entry
>umass0: detached

How can I fix this?

Thanks in advance.

--
Mikhail Godovitcin
http://www.kc.ru/~mg/pgpkey.txt
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