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Message-ID: <20081205121023.GA21963@torres.zugschlus.de>
Date: Fri, 5 Dec 2008 13:10:23 +0100
From: Marc Haber <mh+linux-kernel@...schlus.de>
To: Greg KH <greg@...ah.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Marc Haber <mh+linux-kernel@...schlus.de>,
linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: pl2303 - pl2303_open - failed submitting interrupt urb, error -28
On Wed, Dec 03, 2008 at 07:47:25AM -0800, Greg KH wrote:
> I would suggest using a USB 1.1 hub instead if you have to use this kind
> of hardware set up.
It is nearly impossible to buy that kind of hardware at the current
time.
> I think the core is just not able to schedule so many interrupt urbs
> with such a setup, running USB 1.1 devices behind a USB 2.0 hub like
> this is a very difficult thing to do.
>
> Sorry I don't have a better solution.
Is it possible to disable USB 2.0 for selected links?
Greetings
Marc
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