Re: USB keyboard not generating input events.

[Chris Ball <cjb@xxxxxxxxxx>]

Thanks very much for the reply, Alan.

   >> I have a MacNTouch keyboard[1].  The keyboard works on all of my
   >> Linux machines except one, a Powerbook.  Other USB keyboards work
   >> in the same USB port on the Powerbook, so it doesn't seem like a
   >> hardware failure on either the Powerbook or the keyboard's part.
   >> The problem seems to be the combination of the keyboard with the
   >> USB controller.  [..]

   > Try getting a usbmon trace (instructions in
   > Documentation/usb/usbmon.txt).

Here are usbmon traces with the keyboard working (on an x86 laptop) and
failing (on the Powerbook).  In both cases I started usbmon, plugged in
the keyboard and typed "a".

http://dev.laptop.org/~cjb/usbmon-works.out
http://dev.laptop.org/~cjb/usbmon-fails.out

I also have access to a hardware USB analyzer, if that would be helpful.

Thanks,

- Chris.
-- 
Chris Ball   <cjb@xxxxxxxxxx>

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