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RDK
Posts: 261
Joined: Wed Aug 13, 2014 10:19 am
Location: Wyoming and France

How to detect if USB controller is hung

Sun Mar 17, 2019 7:39 am

I've been reading about folks with issues (https://raspberrypiandstuff.wordpress.c ... lletproof/) where a program stops suddenly with no errors or explanations. The explanation seem to be associated with the USB or USB controller hanging.

I've experienced this with a system which is reading data from an SDR USB antenna. My question is there a way, command line or otherwise, to determine if the USB controller is actually hung?

Thanks....RDK

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