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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.
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