Problem with USB mass storage

[Hans Petter Selasky]

On Saturday 05 September 2009 18:50:26 datastream wrote:
> hi,
>     my usb hdd does not work.it seems broken again.
>
>
> #uname -a
> FreeBSD datastream-laptop.people.163.org 9.0-CURRENT FreeBSD 9.0-CURRENT
> #5 r196859: Sat Sep  5 21:27:55 CST 2009
> root at datastream-laptop.people.163.org:/usr/obj/usr/home/datastream/freebsd/
>sys/G8laptop amd64
>
>
> usbd_set_config_index:523: could not read device status: USB_ERR_SHORT_XFER
> ugen6.2: <JMicron> at usbus6
> umass0: <MSC Bulk-Only Transfer> on usbus6
> umass0:  SCSI over Bulk-Only; quirks = 0x0000
> umass0:2:0:-1: Attached to scbus2
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <Maxtor 7 Y250M0 11W0> Fixed Direct Access SCSI-2 device
> da0: 40.000MB/s transfers
> da0: 238475MB (488397168 512 byte sectors: 255H 63S/T 30401C)
> ugen6.2: <JMicron> at usbus6 (disconnected)
> umass0: at uhub6, port 2, addr 2 (disconnected)
> (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x3f, scsi
> status == 0x0
> (da0:umass-sim0:0:0:0): lost device
> (da0:umass-sim0:0:0:0): removing device entry
>

Try adding a quirk to sys/dev/usb/storage/umass.c

--HPS