Subject: Re: problems with usb2.0 hub?
To: Steven M. Bellovin <smb@cs.columbia.edu>
From: Daniel Carosone <dan@geek.com.au>
List: current-users
Date: 01/05/2005 16:58:27
--1Wg5Vd7si6EhrIHA
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Tue, Jan 04, 2005 at 11:23:33PM -0500, Steven M. Bellovin wrote:
> Using a hub -- a 2.0 hub, I think -- connected to a USB 2.0 port,
> I tried using a 1.1 USB flash disk.  The following messages appeared:
>=20
>=20
> ehci0: *** WARNING: opening low/full speed device, this does not work yet.
> umass0 at uhub5 port 3 configuration 1 interface 0
> umass0: M-Systems DiskOnKey, rev 1.00/2.00, addr 3
> umass0: using SCSI over Bulk-Only
> ehci0: *** WARNING: opening low/full speed device, this does not work yet.
> umass0: cannot open 1-out pipe (bulk)
>=20
> Is this unsupported?  Here's the messags for the hub itself:

Yes. For now, the only way to use usb1 devices on an ehci is via the
root-hub ports.  It wasn't that long ago the same was true for usb2
devices.

--
Dan.
--1Wg5Vd7si6EhrIHA
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.6 (NetBSD)

iD8DBQFB24ICEAVxvV4N66cRAl0oAJ9Mca8kOdsFtmnUoLbhXhg+JUutlgCeO/Ky
HtvKgXZV0xGiU7wUKagDlhY=
=NMfB
-----END PGP SIGNATURE-----

--1Wg5Vd7si6EhrIHA--