random wifi craches atheros Ar9285

need some help: my wifi connection craches randomelly; atheros ar9285 adapter with freebsd12.1
dmesg:
Code:
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_chan_set: unable to reset channel 1 (2412 MHz, flags 0x480), hal status 14
ath0: ath_chan_set: unable to reset channel 6 (2437 MHz, flags 0x480), hal status 14
ath0: ath_chan_set: unable to reset channel 1 (2412 MHz, flags 0x480), hal status 14
ath0: ath_chan_set: unable to reset channel 6 (2437 MHz, flags 0x480), hal status 14
 
This is a common problem with ar9285, but it doesn't affect every computer. I see only 1/5 computers affected by the problem in the hardware database. This one is not affected. Let's collect your hardware info by this port and compare with it.
 
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