From mboxrd@z Thu Jan  1 00:00:00 1970
From: Darko <darko@veze.net>
Date: Mon, 26 Jan 2009 18:02:06 +0100
Subject: [ath9k-devel] Country code or else hidden problem
Message-ID: <200901261802.07025.darko@veze.net>
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To: ath9k-devel@lists.ath9k.org

Hi,

I have bought an DWA 547 card recently, after first unsuccessful try with 
TP-link WN861N  (same problem as 
https://lists.ath9k.org/pipermail/ath9k-devel/2008-October/000450.html)
As client DWA 547 works ok ( didn't try 802.11n, have no such AP).
As AP followed instructions from http://wireless.erley.org/git.html
Kernel is 2.6.29-rc2-wl taken from git 24.01.2009
hostapd is 0.6.7
iw is 0.9.9
OS is slackware 12.2

so:  
#modprobe ath9k debug=0x00000080 
#dmesg
...
[ 1019.585770] ath9k: 0.1
[ 1019.585872] ath9k 0000:02:0a.0: PCI INT A -> Link[LNKF] -> GSI 11 (level, 
low) -> IRQ 11
[ 1020.011640] ath9k: Country alpha2 being used: &A
[ 1020.018633] wmaster0 (ath9k): not using net_device_ops yet
[ 1020.021951] phy1: Selected rate control algorithm 'ath9k_rate_control'
[ 1020.023474] wlan0 (ath9k): not using net_device_ops yet
[ 1020.028931] cfg80211: Calling CRDA for country: AM
[ 1020.030698] Registered led device: ath9k-phy1:radio
[ 1020.030754] Registered led device: ath9k-phy1:assoc
[ 1020.030802] Registered led device: ath9k-phy1:tx
[ 1020.030852] Registered led device: ath9k-phy1:rx
[ 1020.030878] phy1: Atheros AR5416 MAC/BB Rev:2 AR2133 RF Rev:81: 
mem=0xc8900000, irq=11
[ 1020.049744] cfg80211: Current regulatory domain intersected: 
[ 1020.049756]  (start_freq - end_freq @ bandwidth), (max_antenna_gain, 
max_eirp)
[ 1020.049765]  (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 1020.049773]  (5170000 KHz - 5250000 KHz @ 20000 KHz), (N/A, 1700 mBm)
[ 1020.049780]  (5250000 KHz - 5330000 KHz @ 20000 KHz), (N/A, 1800 mBm)
[ 1020.187638] ADDRCONF(NETDEV_UP): wlan0: link is not ready

Reported country code is sometimes like here &A, sometimes ?A (c with acute), 
sometimes  ?A (e with acute).

hostapd.conf:
interface=wlan0
driver=nl80211
ieee80211n=1
ht_capab=[HT40-][SHORT-GI-40][DSSS_CCK-40]
hw_mode=g
channel=11

#hostapd -dd /etc/hostapd.conf  
Configuration file: /etc/hostapd.conf
Opening raw packet socket for ifindex -1082141532
BSS count 1, BSSID mask ff:ff:ff:ff:ff:ff (0 bits)
Failed to set country code
wlan0: Unable to setup interface.

and in dmesg get an extra line:
[ 1603.342272] mon.wlan0 (ath9k): not using net_device_ops yet

#iw --debug reg set US
-- Debug: Received Message:
--------------------------   BEGIN NETLINK MESSAGE ---------------------------
  [HEADER] 16 octets
    .nlmsg_len = 36
    .nlmsg_type = 2 <ERROR>
    .nlmsg_flags = 0 <>
    .nlmsg_seq = 1232985260
    .nlmsg_pid = 1413
  [ERRORMSG] 20 octets
    .error = -11 "Resource temporarily unavailable"
  [ORIGINAL MESSAGE] 16 octets
    .nlmsg_len = 16
    .nlmsg_type = 17 <0x11>
    .nlmsg_flags = 5 <REQUEST,ACK>
    .nlmsg_seq = 1232985260
    .nlmsg_pid = 1413
---------------------------  END NETLINK MESSAGE   ---------------------------
command failed: Resource temporarily unavailable (-11)

Please help,
Darko