USB JetFlash

[Michal Mertl]

Mikhail Godovitcin wrote:

I believe I should be able to help you. I've got smaller JetFlash which
works. Yours might need a quirk entry in umass.c.

Can you send us the output of 'usbdevs -v'?


> 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