When powering up the server module with a USB device installed in the internal USB port socket, this warning message might be displayed:
WARNING: /pci@340/pci@1/pci@0/pci@2/usb@0: Link error on port 3, resetting.
Workaround: The warning message can be safely ignored. The device should be fully functional. If the device is not functional, contact Oracle Support for further assistance.