linux-kernel - Re: USB 2.0 (EHCI) keeps crapping out (3.2.29)

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Date:	Mon, 24 Dec 2012 22:10:00 -0600
From:	Rob Landley <rob@...dley.net>
To:	Logan Rathbone <loganrathbone@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: USB 2.0 (EHCI) keeps crapping out (3.2.29)

On 12/24/2012 09:02:11 PM, Logan Rathbone wrote:
> *** NOTE:  Kindly CC me directly if you reply to list since I'm not  
> an LKML subscriber. ***
> 
> Running vanilla 3.2.29 (Slackware 14.0).  I also had this issue on  
> 2.6.37.6 and *possibly* 2.6.33.x, but I don't recall.
> 
> Every now and again (could be every few days, could take a couple of  
> weeks...
> depends.) USB 2.0 stops working.  My scanner as well as certain  
> mass-storage
> devices that are USB-2.0 compatible fail to function all of a sudden.
> 
> With the said mass storage devices, I get lots of errors like this in  
> my logs:
> 
> hub 1-0:1.0: unable to enumerate USB device on port 3

What is the _first_ error that shows up in dmesg when the failure  
occurs?

Rob--
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