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   Author  Topic: can see traffic on one device, not another  (Read 5388 times)
QdK
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can see traffic on one device, not another
« on: Aug 17th, 2007, 3:29am »
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Hi,
 
For one device, USB Monitor Pro has helped me greatly, thanks!
 
But now I'm trying to debug a device of which I cannot see any traffic using USB Monitor Pro.
 
The former presents itself as a mass-storage device and uses some bizarre protocol to request custom data from it. It also doens't require USB2.0
 
The latter is a USB TV tuner, requiring USB2.0, and doesn't adhere to the standard protocol either.
 
I use the same filter settings (show everything) for both. When I use the monitor to start monitoring a hot-plugged device, I only see the initial IRP_MN_START_DEVICE event, nothing more.  
 
Is there any way a driver can "hide" the traffic from the usb monitor? Any suggestions what to try next? I already reinstalled the monitor software. I have no other monitoring applications running.
 
 
Thanks
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Keith
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Re: can see traffic on one device, not another
« Reply #1 on: Sep 9th, 2008, 6:18am »
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Could you please specify the exact models of your devices?  
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Keith Sinfield

FabulaTech
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http://www.fabulatech.com
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