Re: USB-Serial fails with USB 2.0 Hub

From: Greg KH
Date: Fri Nov 12 2004 - 20:07:14 EST

On Mon, Nov 08, 2004 at 07:49:09AM -0800, Robin Getz wrote:
> Hi.
> Two problems with kernel 2.6.4 (SuSe 9.1):
> 1) When I use a Belkin F5U409 usb-serial converter:
> - when plugged directly into chipset (Intel ICH5), works great.
> - when plugged in through a USB 1.0 hub, works great
> - when plugged in throught USB 2.0 Hub (Belkin F5U237), fails.
> Failure mechanism is: Tx works, Rx does not.

Known issue. See the linux-usb-devel mailing list for more details.

For now, just don't do that :)


greg k-h
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