From owner-freebsd-current Wed Nov 6 14:22:36 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DE6BA37B401 for ; Wed, 6 Nov 2002 14:22:34 -0800 (PST) Received: from genius.tao.org.uk (genius.tao.org.uk [212.135.162.51]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4A80743E75 for ; Wed, 6 Nov 2002 14:22:34 -0800 (PST) (envelope-from joe@genius.tao.org.uk) Received: by genius.tao.org.uk (Postfix, from userid 100) id CC6A24410; Wed, 6 Nov 2002 22:22:05 +0000 (GMT) Date: Wed, 6 Nov 2002 22:22:05 +0000 From: Josef Karthauser To: ticso@cicely.de Cc: Maksim Yevmenkin , current@FreeBSD.org Subject: Re: USB problem (Who owns USB code in -current?) Message-ID: <20021106222205.GA15133@genius.tao.org.uk> Mail-Followup-To: Josef Karthauser , ticso@cicely.de, Maksim Yevmenkin , current@FreeBSD.org References: <3DC6BD74.25097511@exodus.net> <20021106195542.GG46686@cicely8.cicely.de> <3DC982FB.35F1A33A@exodus.net> <20021106213316.GA13438@genius.tao.org.uk> <20021106214349.GA47529@cicely8.cicely.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tThc/1wpZn/ma/RB" Content-Disposition: inline In-Reply-To: <20021106214349.GA47529@cicely8.cicely.de> User-Agent: Mutt/1.5.1i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --tThc/1wpZn/ma/RB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 06, 2002 at 10:43:50PM +0100, Bernd Walter wrote: > On Wed, Nov 06, 2002 at 09:33:16PM +0000, Josef Karthauser wrote: > > If it's inside the docking station I would assume that it's powered. >=20 > Agreed - I had overread this detail. >=20 > > On my machine with an external hub I do get messages about power budget > > being exceeded so it's probably not that. >=20 > That's a design issue. > Some ports implement overcurrent protection by self healing fuses. > Others do not even that. > I've seen many awfull cheap implementations. >=20 > Btw.: > I had seen similar problems with a self build device on some ports. > It turned out to be a problem with the device oscillator to not > properly work under some conditions. Hmm, ok. Then this is the most likely explanation then. Joe --=20 Josef Karthauser (joe@tao.org.uk) http://www.josef-k.net/ FreeBSD (cvs meister, admin and hacker) http://www.uk.FreeBSD.org/ Physics Particle Theory (student) http://www.pact.cpes.sussex.ac.uk/ =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D An eclectic mix of fact an= d theory. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --tThc/1wpZn/ma/RB Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iEYEARECAAYFAj3Jlg0ACgkQXVIcjOaxUBZ9jwCgkkUKAi4O/srx3Do/SB9+9E2s FLsAnRcL7qSN7G4AspuHZYKtW/EoBBcF =Ilps -----END PGP SIGNATURE----- --tThc/1wpZn/ma/RB-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message