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Date: Sat, 25 Jun 2011 22:39:35 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: Greg Rivers <gcr+freebsd-current@tharned.org>
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Cc: freebsd-current@FreeBSD.org, Hans Petter Selasky <hselasky@c2i.net>
Subject: Re: [Testing wanted] USB patch for HAL
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on 25/06/2011 21:53 Greg Rivers said the following:
> Jun 25 13:15:45 blue kernel: ugen4.3: <USBest Technology> at usbus4
> Jun 25 13:15:45 blue kernel: umass0: <USBest Technology USB Mass Storage Device,
> class 0/0, rev 2.00/1.00, addr 3> on usbus4
> Jun 25 13:15:45 blue kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0000
> Jun 25 13:15:47 blue kernel: umass0:0:0:-1: Attached to scbus0
> Jun 25 13:15:47 blue kernel: da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
> Jun 25 13:15:47 blue kernel: da0: <Simple Bonzai Xpress 0.00> Removable Direct
> Access SCSI-2 device Jun 25 13:15:47 blue kernel: da0: 40.000MB/s transfers
> Jun 25 13:15:47 blue kernel: da0: 983MB (2015231 512 byte sectors: 64H 32S/T 983C)
> Jun 25 13:15:47 blue kernel: (sg0:umass-sim0:0:0:0): cam_periph_release_locked:
> release 0xc47bfc00 when refcount is zero

Hm, I have to ask, have you tried this without sg driver?

-- 
Andriy Gapon