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My web app has a webcam running using ng-camera(based on webcam.js), and a separate bluetooth sniffer running on node js on the background. After several minutes running, the app and raspberry pi will always freeze completely. When checking the kern.log it says "Bluetooth: hci0 : Frame reassembly failed (-84)" many times.

Does anyone know what probably causes this and how to solve it? Thank you.

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This issue is solved by having an external Bluetooth dongle and disable the internal one. I don't know why and how but it's working perfectly without freezing now.

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