linux-kernel - Re: Error -71 on device descriptor read/all

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Message-ID: <Pine.LNX.4.64.0706191657050.3068@twin.jikos.cz>
Date:	Tue, 19 Jun 2007 16:58:43 +0200 (CEST)
From:	Jiri Kosina <jikos@...os.cz>
To:	"Renato S. Yamane" <renatoyamane@...dic.com.br>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Error -71 on device descriptor read/all

On Tue, 19 Jun 2007, Renato S. Yamane wrote:

> I see this in dmesg:
> usb 1-1: device descriptor read/all, error -71
> Using 2.6.21.1
> Someone know what it is?

Is this a USB 2.0 high-speed device? Don't you for example have USB 
extension cable too long to work on-high speed?

I guess the situation improves when you force USB 1.1 (i.e. rmmod 
ehci_hcd), right?

-- 
Jiri Kosina
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