Hi Ali, Thank you for the response! Ok, so here's the scoop. In ports 1 and 2, the only thing that works is the button. In ports 3 and 4, I get th...

And FYI, it does show up as a device in the kernel dmesg output ;-)[500853.417077] usb 2-4.2: new full-speed USB device number 18 using xhci_hcd [5008...