From owner-freebsd-usb@FreeBSD.ORG  Sat Aug 27 13:03:19 2011
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From: Hans Petter Selasky <hselasky@c2i.net>
To: Marcin Wisnicki <mwisnicki+freebsd@gmail.com>
Date: Sat, 27 Aug 2011 15:00:44 +0200
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Cc: freebsd-usb@freebsd.org
Subject: Re: device reset
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On Saturday 27 August 2011 14:59:50 Marcin Wisnicki wrote:
> On Sat, Aug 27, 2011 at 14:04, Hans Petter Selasky <hselasky@c2i.net> wrote:
> > On Saturday 27 August 2011 13:19:35 Marcin Wisnicki wrote:
> >> Would it be possible to reinstate ability to power-cycle particular port
> >> the way it was ~year ago ?
> > 
> > This is still possible. There is a sysctl to disable this feature:
> > 
> > sysctl hw.usb.no_cs_fail=1
> 
> $ sysctl hw.usb.no_cs_fail
> sysctl: unknown oid 'hw.usb.no_cs_fail'
> $ uname -v
> FreeBSD 8.2-STABLE #4: Sun Jun 26 15:10:04 CEST 2011
> root@ghost.pnet.one.pl:/home/obj/usr/src/sys/SERWER_DDB

You need the kernel from the latest 8-stable.

--HPS