On Thu, 28 Dec 2006, Vermont wrote:

> Yes, I did this earlier today and no disconnects occurred. However, it 
> was so slow I terminated it after several minutes, which in retrospect 
> probably didn't allow the amount of i/o that precedes the ehci 
> disconnection. I'll see if I can produce a proper test involving dd.
> 
> I forgot to mention that once the disconnect has occurred, unplugging 
> and replugging the ipod produces no kernel messages and I'm unable to 
> remount it until after a reboot. So it does seem as though at least 
> part of the problem is in the usb drivers.

That isn't a valid conclusion.  There could easily be a hardware problem.
If you're interested in finding out more about what's going on, you should 
turn on CONFIG_USB_DEBUG.

Alan Stern


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