I have the same problem with a new macbookpro12,1 my urtwn adapter work just fine in a regular ehci(4) machine, but on xhci(4)'s macbookpro I need to reconnect like 10 times, and even that way, doesn't work. :/
On 28/11, Stefan Sperling wrote: ; 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)? ; -- Sending from my toaster.