linux-kernel - Re: [linux-usb-devel] on the system with companion host controller, error -71 returns

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Date:	Tue, 21 Aug 2007 10:38:15 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Kiyoshi Sasaki <ksasaki@...aclelinux.com>
cc:	linux-kernel@...r.kernel.org,
	<linux-usb-devel@...ts.sourceforge.net>
Subject: Re: [linux-usb-devel] on the system with companion host controller,
 error -71 returns

On Tue, 21 Aug 2007, Kiyoshi Sasaki wrote:

> Hello,
> 
> I see below errors in dmesg on ICH6/ICH7 machine:
> 
> usb 1-1: device not accepting address 2, error -71
> or
> usb 1-1: device descriptor read/all, error -71
> 
> I'm trying to debug it, but by now I can't make it.
> Can you give me your help ?

There's nothing to debug; these messages are perfectly normal.  If you 
want to prevent them from occurring, you should change the load order 
of your modules: Load ehci-hcd before uhci-hcd.

Alan Stern

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