I've found it. Hostapd was the reason. After killing it set antenna works. Thanks. :) 2011/10/15 Felix Fietkau <nbd@xxxxxxxxxxx>: > On 2011-10-15 2:24 PM, Stanislav Demakov wrote: >> >> I'm running Ubuntu Server 11.10 - (kernel: Linux server >> 3.0.0-12-generic x86_64) >> >> ath9k from compat-wireless-2011-10-12 and current iw from git compiled >> with libnl1. >> >> The wireless chip is AR9280. (2x2 MIMO) >> >> Also >> echo 1> /sys/kernel/debug/ieee80211/phy0/ath9k/rx_chainmask >> echo 1> /sys/kernel/debug/ieee80211/phy0/ath9k/tx_chainmask >> is written at boot. >> >> Is something wrong above? > > Do not mess with the rx_chainmask/tx_chainmask parameters, that may be the > reason why it's not working for you. > > - Felix > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html