Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756761AbYLEMKi (ORCPT ); Fri, 5 Dec 2008 07:10:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751667AbYLEMK3 (ORCPT ); Fri, 5 Dec 2008 07:10:29 -0500 Received: from torres.zugschlus.de ([85.214.68.41]:50801 "EHLO torres.zugschlus.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751488AbYLEMK3 (ORCPT ); Fri, 5 Dec 2008 07:10:29 -0500 Date: Fri, 5 Dec 2008 13:10:23 +0100 From: Marc Haber To: Greg KH Cc: Andrew Morton , Marc Haber , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: pl2303 - pl2303_open - failed submitting interrupt urb, error -28 Message-ID: <20081205121023.GA21963@torres.zugschlus.de> References: <20081202131821.GA25217@torres.zugschlus.de> <20081203014208.55dfeb8d.akpm@linux-foundation.org> <20081203154725.GB15968@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20081203154725.GB15968@kroah.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1088 Lines: 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 -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834 Nordisch by Nature | How to make an American Quilt | Fax: *49 3221 2323190 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/