Re: [linux-usb-devel] USB device stopped working - can't set config#1, error -71

[Pete Zaitcev]

On Sat, 16 Sep 2006 10:39:33 -0400 (EDT), Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> 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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