*** This bug is a duplicate of bug 429748 ***
https://bugs.launchpad.net/bugs/429748
Ok, regulatory domain was set wrong but fixing it didn't help.
[ 123.165138] cfg80211: Calling CRDA for country: FI
[ 123.167794] cfg80211: Regulatory domain changed to country: FI
[ 123.167799] (start_freq - end_freq @ bandwidth), (max_antenna_gain,
max_eirp)
[ 123.167804] (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 123.167808] (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 123.167812] (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 123.167816] (5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm)
but still
wlan0 13 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Current Frequency:2.442 GHz (Channel 7)
--
5 ghz doesn't work on Atheros AR9280
https://bugs.launchpad.net/bugs/526246
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