On Sat, Nov 28, 2015 at 07:35:00AM -0700, bluesun08 wrote: > xhci0 at pci0 dev 20 function 0 "Intel Bay Trail xHCI" rev 0x0c: msi > usb0 at xhci0: USB revision 3.0 > uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 > uhub2 at uhub0 port 2 "Genesys Logic USB2.0 Hub" rev 2.00/85.37 addr 3 > athn1 at uhub2 port 2 configuration 1 interface 0 "ATHEROS USB2.0 WLAN" rev > 2.00/1.08 addr 6 > athn1: could not load firmware
I believe your problems are rooted in xhci(4) not athn(4). There are several known problems with xhci, some of which don't have a known fix yet. To confirm this theory, could you try this athn adapter in a machine with USB ports driven by ehci(4) instead of xhci(4)?