hp usb mass storage issues

[Hans Petter Selasky]

On Friday 08 February 2013 11:35:59 CeDeROM wrote:
> On Fri, Feb 8, 2013 at 11:18 AM, Hans Petter Selasky <hselasky at c2i.net> 
wrote:
> > Try to set the no synchronize cache quirk using usbconfig.
> 
> Hello Hans :-)
> 
> Yes that helps:
> 
> ugen1.7: <HP> at usbus1
> umass0: <HP v195b, class 0/0, rev 2.00/81.92, addr 7> on usbus1
> umass0:  SCSI over Bulk-Only; quirks = 0x4000
> umass0:5:0:-1: Attached to scbus5
> 
> # usbconfig -d 1.7 add_quirk UQ_MSC_NO_SYNC_CACHE
> 
> da0 at umass-sim0 bus 0 scbus5 target 0 lun 0
> da0: <hp v195b 8192> Removable Direct Access SCSI-0 device
> da0: 40.000MB/s transfers
> da0: 7728MB (15826944 512 byte sectors: 255H 63S/T 985C)
> 
> Thank you! :-) What should I do to avoid this manual intervention in
> future?

Send a patch for /sys/dev/usb/quirk/usb_quirk.c

--HPS