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From: Hans Petter Selasky <hselasky@c2i.net>
To: Alexander Motin <mav@freebsd.org>
Date: Wed, 27 Jun 2012 17:29:13 +0200
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Cc: freebsd-usb@freebsd.org
Subject: Re: [usb] Kingston 8Gb is not usable
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On Wednesday 27 June 2012 17:17:02 Hans Petter Selasky wrote:
> On Wednesday 27 June 2012 17:08:29 Alexander Motin wrote:
> > umass problem
> 
> Hi,
> 
> Are you verifying the received data length for the SCSI commands reading
> out various data?
> 
> BTW: You could try:
> 
> usbconfig -d X.Y reset
> 
> Not sure if it helps.
> 
> --HPS

Another idea for Mav:

Maybe you need to query more than the descriptor length? Typically you would 
query 255 bytes, and then the USB memory stick will return the actual length 
of the descriptor. Remember some devices have picky limits around 255 bytes on 
USB descriptor sizes.

--HPS