Do you mean to check dmesg -a while doing "vmstat -ia | grep ath0"?
I did run "wlandebug +scan", then ifconfig wlan0 up scan and then "vmstat -ia | grep ath0".
The only output I got from "vmstat -ia | grep ath0" is:
irq18: ath0        21   0
The second time I ran that last command I got
irq18: ath0        22    0

It is worth mentioning that wifi with this Atheros card works just fine on Windows (I am using this wlan when typing this answer on Windows). There is a button that seems to enable airplane mode, but pressing this button does not seem to change anything as far as FreeBSD is concerned. Other than that button I can't find any button that enables or disables wifi.

On 3/21/2015 5:22 AM, Kevin Oberman wrote:
On Fri, Mar 20, 2015 at 4:31 PM, Adrian Chadd <> wrote:

Hm, ok. either interrupts aren't working, or the thing is deaf. :(

can you do that and then in another screen run vmstat -ia | grep ath0 ?

I'd like to see if it's at least posting interrupts.

Could a bad antenna connection (loose plug/broken conductor/pinch to
chassis shorting to ground) explain this? Or would the hardware notice and
report this in all cases?
Kevin Oberman, Network Engineer, Retired
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