I'm trying to interact with a USB camera using a library which in turn uses node-usb. The issue is that attempts to "open" the USB device produce a LIBUSB_ERROR_IO exception, and I see usbfs: process 12689 (node) did not claim interface ...
On Linux, if two copies of a driver are competing for the UPS, these messages will appear in dmesg: usbfs: process 29641 (usbhid-ups) did not claim interface 0 before use This can be a symptom of a source install conflicting with a packa...