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USB Twiddler Problems

From: Rosco Hill <>
Date: Thu, 18 Sep 2003 12:35:40 -0400 (EDT)

Hello,

I am having an odd problem with the USB Twiddler running with Linux
(2.4.22) on a Sony U101.

If I boot up with the Twiddler plugged in, the twiddler works fine.  
Infact if I it is the first device to be plugged in since bootup, the
Twiddler works.  However, when I unplug and re-plug the twiddler, or if I
plug in another device (say a USB Keyboard), the Twiddler stops working.  
With verbose USB debugging I see that the laptop is sending device_id=2
then 3 then 4.. and the Twiddler device seems to reject any id greater
than 2 so it stops functioning.  (Twiddler works fine in Windows)

I will try the 2.5 Linux tree for an updated USB branch.  Has anyone seen
this Twiddler behaviour before?  Suggestions?

Thanks,

Rosco

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