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From: Hans Petter Selasky <hselasky@c2i.net>
Subject: Re: usb/173666: [USB,
 LIBUSB] usb_reset() behavior different between GNU/Linux and FreeBSD
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The following reply was made to PR usb/173666; it has been noted by GNATS.

From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org
Cc: "Wojciech A. Koszek" <wkoszek@freebsd.org>,
 freebsd-gnats-submit@freebsd.org
Subject: Re: usb/173666: [USB, LIBUSB] usb_reset() behavior different between GNU/Linux and FreeBSD
Date: Sat, 17 Nov 2012 13:19:34 +0100

 On Friday 16 November 2012 23:47:29 Wojciech A. Koszek wrote:
 > >Number:         173666
 > >Category:       usb
 > >Synopsis:       [USB, LIBUSB] usb_reset() behavior different between
 > >GNU/Linux and FreeBSD Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    freebsd-usb
 > >State:          open
 > >Quarter:
 > >Keywords:
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Fri Nov 16 22:50:00 UTC 2012
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Wojciech A. Koszek
 > >Release:        9.0-RELEASE
 > 
 > >Organization:
 > FreeBSD
 > 
 > >Environment:
 > FreeBSD seu 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan  3 07:15:25 UTC
 > 2012     root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386
 > 
 > >Description:
 > I have a driver written for libusb, which works fine under GNU/Linux and
 > libusb. Device:
 > 
 > gen0.2: <JSB283 Relay Module J-Works,Inc> at usbus0, cfg=0 md=HOST spd=LOW
 > (1.5Mbps) pwr=ON
 > 
 > (I used USB sniffer to uncover traffic based on what Windows was doing)
 > 
 > Under Linux usb_reset()+usb_set_configuration() calls works fine. Under
 > FreeBSD I have to disable calling usb_reset(), otherwise
 > usb_set_configuration() fails with I/O error.
 > 
 
 According to:
 
 http://libusb.sourceforge.net/doc/function.usbreset.html
 
 What you describe is the expected behaviour.
 
 --HPS