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October 23-26, 2017 - Prague, Czech Republic
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Monday, October 23 • 12:05 - 12:45
Debugging Usually Slightly Broken (USB) Devices and Drivers - Krzysztof Opasiak, Samsung R&D Institute Poland

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USB is definitely the most common external interface. Millions of people are using it every day and thousands of them have problems with it. Driver not found, incorrect driver bound, kernel oops are just examples of common problems which we are all facing. How to solve them or at least debug? If you’d like to find out, then this talk is exactly for you! We will start with a gentle introduction to the USB protocol. Then standard Linux host side infrastructure will be discussed. How drivers are chosen? How can we modify matching rules of a particular driver? That's only couple of questions which will be answered in this part. Final part will be an introduction to USB communication sniffing. Krzysztof will show how to monitor and analyze USB traffic without expensive USB analyzers.

Speakers
avatar for Krzysztof Opasiak

Krzysztof Opasiak

Developer, Samsung R&D Institute Poland/Warsaw University of Technology
Krzysztof is a PhD student at Warsaw University of Technology. He works as Kernel and System Developer at Samsung R&D Institute Poland. Since 2013 involved in USB support development in Tizen OS. Maintainer of libusbgx - library for USB gadgets management through ConfigFS. Open S... Read More →



Monday October 23, 2017 12:05 - 12:45
Tyrolka