I am attempting to get wireless working on FreeBSD 11.1 and not having much luck. Dmesg indicates it sees the USB wireless adapter; however, ifconfig and sysctl net.wlan.devices indicate nothing.

dmesg output

Realtek 802.11ac NIC
Atheros USB2.0 WLAN
Atheros UB94

I tried man ath - added the entries to /boot/loader.conf, rebooted, and nothing.

Are these devices not supported or is something else going on?

From what little I know, I do not believe this to be related to this: WiFi problems (Atheros driver) with FreeBSD 11

I do not even have /dev/ath0, if I did, I would be a little further along to getting wireless working.

The only thing I see is output in dmesg as listed.

  • 1
    So you've added if_ath_load="YES" and if_ath_pci_load="YES" to loader.conf and sysctl net.wlan.devices still does not show any device, right? Apr 29, 2018 at 12:54
  • 1. Why would I need if_ath_pci_load="YES" if it is a USB device? 2. The device isn't even showing up at all, so I need to sort that out.
    – Walter
    Apr 30, 2018 at 10:24

1 Answer 1


I have one of the unsupported Atheros wireless NICs.

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