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   <[EMAIL PROTECTED]>

-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >>  http://get.splunk.com/
_______________________________________________
Linux-usb-users@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-users

Reply via email to