linux-kernel - Re: [linux-usb-devel] USB device stopped working

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Date:	Sat, 16 Sep 2006 10:54:01 -0700
From:	Pete Zaitcev <zaitcev@...hat.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Rene Rebe <rene@...ctcode.de>, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net
Subject: Re: [linux-usb-devel] USB device stopped working - can't set config
 #1, error -71

On Sat, 16 Sep 2006 10:39:33 -0400 (EDT), Alan Stern <stern@...land.harvard.edu> wrote:

> with the latest kernels (definetly 2.6.17 and 1.6.8-rc*, I do now know off 
> hand when this started) I can not access some (I think all USB 1) scanners 
> via my SANE/Avision backend:
>[...]
> Try using usbmon to watch what happens when you plug in your scanner.  
> Instructions are in the kernel source file Documentation/usb/usbmon.txt.

I second that. But it would also help a lot to find a kernel which
worked, even if it's relatively old, so we'd try to diff the hub.c.

-- Pete
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