From owner-freebsd-usb@FreeBSD.ORG Sun Sep 14 04:38:28 2008 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F452106564A for ; Sun, 14 Sep 2008 04:38:28 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail14.syd.optusnet.com.au (mail14.syd.optusnet.com.au [211.29.132.195]) by mx1.freebsd.org (Postfix) with ESMTP id 254638FC18 for ; Sun, 14 Sep 2008 04:38:27 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c122-106-215-175.belrs3.nsw.optusnet.com.au [122.106.215.175]) by mail14.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id m8E4cKqG011989 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 14 Sep 2008 14:38:23 +1000 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.2/8.14.2) with ESMTP id m8E4cKbM086949; Sun, 14 Sep 2008 14:38:20 +1000 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.2/8.14.2/Submit) id m8E4cI50086948; Sun, 14 Sep 2008 14:38:18 +1000 (EST) (envelope-from peter) Date: Sun, 14 Sep 2008 14:38:18 +1000 From: Peter Jeremy To: Olivier SMEDTS Message-ID: <20080914043818.GT15376@server.vk2pj.dyndns.org> References: <367b2c980809121246j16fba781s29c0da806f555ebe@mail.gmail.com> <200809132245.14748.hselasky@c2i.net> <367b2c980809131646n2b5bd8e9gc44a22147dacbd5@mail.gmail.com> <200809140222.30008.hselasky@c2i.net> <367b2c980809131750gaa617cfp223f8bf9a5016e88@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CfiwpigK2vfmwpN3" Content-Disposition: inline In-Reply-To: <367b2c980809131750gaa617cfp223f8bf9a5016e88@mail.gmail.com> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-usb@freebsd.org Subject: Re: new usb2 stack : -current patch with mpsafe tty layer available ? X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Sep 2008 04:38:28 -0000 --CfiwpigK2vfmwpN3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2008-Sep-14 02:50:25 +0200, Olivier SMEDTS wrote: >2008/9/14 Hans Petter Selasky : >> What does: >> >> dd if=3D/dev/da0 of=3D/dev/null bs=3D65535 >> >> Output for your memory stick? I thought you needed to do IO in multiples of the blocksize - which 65535 is unlikely to be. >Not related, I did not notice before, the device seems to read the >first sectors slower : This may be related to the magic wear-levelling algorithm in your stick - the first few sectors are more critical and presumably have more error detection and correction overheads. --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --CfiwpigK2vfmwpN3 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkjMlToACgkQ/opHv/APuIcFBwCeJGJSuJyNeTdRWcTevD5ePSaZ u/4AoKZJiAq0yGdg0slrhd+GYrAh+vOO =/g1O -----END PGP SIGNATURE----- --CfiwpigK2vfmwpN3--