From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751096AbWFLUvx (ORCPT ); Mon, 12 Jun 2006 16:51:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751099AbWFLUvx (ORCPT ); Mon, 12 Jun 2006 16:51:53 -0400 Received: from cantor.suse.de ([195.135.220.2]:63667 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751096AbWFLUvw (ORCPT ); Mon, 12 Jun 2006 16:51:52 -0400 Date: Mon, 12 Jun 2006 13:49:18 -0700 From: Greg KH To: Mark Lord Cc: Linux Kernel Subject: Re: pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28 Message-ID: <20060612204918.GA16898@suse.de> References: <448DC93E.9050200@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <448DC93E.9050200@rtr.ca> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 12, 2006 at 04:06:22PM -0400, Mark Lord wrote: > Greg, > > With 2.6.17-rc6-git2, I'm seeing this kernel message during start-up: > > pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28 > > The pl2303 serial port is part of a USB1.1 Hub/dock device, > plugged into a USB2 port on my notebook. Known issue for years. Either plug it directly into the USB 2.0 root hub, or disable the ehci driver. > I get the same failure again when trying to use the port with Kermit. > This device was working fine here not long ago -- on the -rc5 kernels I > think. It's a flaky thing. Also, look in the -mm tree, there is a fix for this direct error, and hopefully some ehci fixes that enable the whole thing to work properly. thanks, greg k-h