Re: hostapd ACS not working with wl1837mod

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But I think there is a TI version git://git.ti.com/wilink8-wlan/hostap.git tag R8.7_SP3 has a form of this. Unfortunately for me, I am using wpa_supplicant to create my AP and cannot find a way to support something like ACS (the wpa_supplicant in the TI repo is not intended to be used for setting up an AP). 

If someone knows otherwise, please correct me.

Tom


On 1/10/20, 4:03 PM, "Sabourin, Tom (GE Healthcare)" <Tom.Sabourin@xxxxxx> wrote:

    Hi Nick,
    
    You are I are in the same boat. I think it's bad news for us: https://wireless.wiki.kernel.org/en/users/documentation/acs indicates our driver doesn't support this. 
    
    Tom
    
    On 1/9/20, 8:01 AM, "Hostap on behalf of nick83ola" <hostap-bounces@xxxxxxxxxxxxxxxxxxx on behalf of nick83ola@xxxxxxxxx> wrote:
    
        Can somebody help me to enable ACS?
        Thanks
        Nick
        
        On Tue, 7 Jan 2020 at 16:14, nick83ola <nick83ola@xxxxxxxxx> wrote:
        >
        > Hi
        > I'm on linux with a wl1837 wifi chip and I'm trying to setup an access
        > point with ACS
        >
        > The problem is that I'm receiving
        >
        > ACS: Automatic channel selection started, this may take a bit
        > ACS: Scanning 1 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 10 seconds
        > wlanap0: interface state COUNTRY_UPDATE->ACS
        > wlanap0: ACS-STARTED
        > Interface initialization will be completed in a callback (ACS)
        > ctrl_iface not configured!
        > random: Got 20/20 bytes from /dev/random
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 operstate=2 linkmode=0
        > ifi_family=0 ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        >
        > here's my config file
        >
        > ~# cat /run/hostapd-wlanap0.conf
        > driver=nl80211
        > logger_syslog=-1
        > logger_syslog_level=2
        > logger_stdout=-1
        > logger_stdout_level=2
        >
        > ctrl_interface=/var/run/hostapd
        > ctrl_interface_group=0
        >
        > macaddr_acl=0
        > auth_algs=1
        > ignore_broadcast_ssid=0
        > ap_isolate=1
        > eapol_key_index_workaround=0
        > eap_server=1
        > server_id=bumblebee.test
        > tls_session_lifetime=3600
        > wpa=2
        > wpa_key_mgmt=WPA-PSK
        > wpa_pairwise=CCMP
        > rsn_pairwise=CCMP
        > wps_state=2
        > config_methods=virtual_push_button
        > wps_rf_bands=ag
        >
        >
        > country_code=US
        >
        > hw_mode=a
        > ieee80211n=1
        > ieee80211ac=1
        > wmm_enabled=1
        >
        > vht_oper_chwidth=1
        > vht_oper_centr_freq_seg0_idx=42
        >
        > channel=0
        > # ht_capab: HT capabilities (list of flags)
        > # ht_capab=[HT40+][SHORT-GI-20][SHORT-GI-40]
        > # ht_capab=[HT40-][SHORT-GI-20][SHORT-GI-40]
        > # vht_capab: VHT capabilities (list of flags)
        > #vht_capab=[SHORT-GI-80][HTC-VHT]
        >
        > interface=wlanap0
        > ssid=my-test-ap
        > wpa_passphrase=secretpassword1234
        >
        > ########### iw list
        >
        > ~# iw list
        > Wiphy phy0
        > max # scan SSIDs: 1
        > max scan IEs length: 441 bytes
        > max # sched scan SSIDs: 16
        > max # match sets: 16
        > max # scan plans: 1
        > max scan plan interval: -1
        > max scan plan iterations: 0
        > Retry short limit: 7
        > Retry long limit: 4
        > Coverage class: 0 (up to 0m)
        > Device supports AP-side u-APSD.
        > Supported Ciphers:
        > * WEP40 (00-0f-ac:1)
        > * WEP104 (00-0f-ac:5)
        > * TKIP (00-0f-ac:2)
        > * CCMP-128 (00-0f-ac:4)
        > * WPI-SMS4 (00-14-72:1)
        > Available Antennas: TX 0 RX 0
        > Supported interface modes:
        > * managed
        > * AP
        > * AP/VLAN
        > * monitor
        > * P2P-client
        > * P2P-GO
        > * P2P-device
        > Band 1:
        > Capabilities: 0x3c
        > HT20
        > SM Power Save disabled
        > RX Greenfield
        > RX HT20 SGI
        > No RX STBC
        > Max AMSDU length: 3839 bytes
        > No DSSS/CCK HT40
        > Maximum RX AMPDU length 16383 bytes (exponent: 0x001)
        > Minimum RX AMPDU time spacing: 16 usec (0x07)
        > HT Max RX data rate: 144 Mbps
        > HT TX/RX MCS rate indexes supported: 0-15
        > Bitrates (non-HT):
        > * 1.0 Mbps
        > * 2.0 Mbps (short preamble supported)
        > * 5.5 Mbps (short preamble supported)
        > * 11.0 Mbps (short preamble supported)
        > * 6.0 Mbps
        > * 9.0 Mbps
        > * 12.0 Mbps
        > * 18.0 Mbps
        > * 24.0 Mbps
        > * 36.0 Mbps
        > * 48.0 Mbps
        > * 54.0 Mbps
        > Frequencies:
        > * 2412 MHz [1] (25.0 dBm)
        > * 2417 MHz [2] (25.0 dBm)
        > * 2422 MHz [3] (25.0 dBm)
        > * 2427 MHz [4] (25.0 dBm)
        > * 2432 MHz [5] (25.0 dBm)
        > * 2437 MHz [6] (25.0 dBm)
        > * 2442 MHz [7] (25.0 dBm)
        > * 2447 MHz [8] (25.0 dBm)
        > * 2452 MHz [9] (25.0 dBm)
        > * 2457 MHz [10] (25.0 dBm)
        > * 2462 MHz [11] (25.0 dBm)
        > * 2467 MHz [12] (disabled)
        > * 2472 MHz [13] (disabled)
        > * 2484 MHz [14] (disabled)
        > Band 2:
        > Capabilities: 0x7e
        > HT20/HT40
        > SM Power Save disabled
        > RX Greenfield
        > RX HT20 SGI
        > RX HT40 SGI
        > No RX STBC
        > Max AMSDU length: 3839 bytes
        > No DSSS/CCK HT40
        > Maximum RX AMPDU length 16383 bytes (exponent: 0x001)
        > Minimum RX AMPDU time spacing: 16 usec (0x07)
        > HT Max RX data rate: 150 Mbps
        > HT TX/RX MCS rate indexes supported: 0-7
        > Bitrates (non-HT):
        > * 6.0 Mbps
        > * 9.0 Mbps
        > * 12.0 Mbps
        > * 18.0 Mbps
        > * 24.0 Mbps
        > * 36.0 Mbps
        > * 48.0 Mbps
        > * 54.0 Mbps
        > Frequencies:
        > * 5040 MHz [8] (disabled)
        > * 5060 MHz [12] (disabled)
        > * 5080 MHz [16] (disabled)
        > * 5170 MHz [34] (disabled)
        > * 5180 MHz [36] (23.0 dBm)
        > * 5190 MHz [38] (23.0 dBm)
        > * 5200 MHz [40] (23.0 dBm)
        > * 5210 MHz [42] (23.0 dBm)
        > * 5220 MHz [44] (23.0 dBm)
        > * 5230 MHz [46] (23.0 dBm)
        > * 5240 MHz [48] (23.0 dBm)
        > * 5260 MHz [52] (23.0 dBm) (radar detection)
        > * 5280 MHz [56] (23.0 dBm) (radar detection)
        > * 5300 MHz [60] (23.0 dBm) (radar detection)
        > * 5320 MHz [64] (23.0 dBm) (radar detection)
        > * 5500 MHz [100] (23.0 dBm) (radar detection)
        > * 5520 MHz [104] (23.0 dBm) (radar detection)
        > * 5540 MHz [108] (23.0 dBm) (radar detection)
        > * 5560 MHz [112] (23.0 dBm) (radar detection)
        > * 5580 MHz [116] (23.0 dBm) (radar detection)
        > * 5600 MHz [120] (23.0 dBm) (radar detection)
        > * 5620 MHz [124] (23.0 dBm) (radar detection)
        > * 5640 MHz [128] (23.0 dBm) (radar detection)
        > * 5660 MHz [132] (23.0 dBm) (radar detection)
        > * 5680 MHz [136] (23.0 dBm) (radar detection)
        > * 5700 MHz [140] (23.0 dBm) (radar detection)
        > * 5745 MHz [149] (25.0 dBm)
        > * 5765 MHz [153] (25.0 dBm)
        > * 5785 MHz [157] (25.0 dBm)
        > * 5805 MHz [161] (25.0 dBm)
        > * 5825 MHz [165] (25.0 dBm)
        > Supported commands:
        > * new_interface
        > * set_interface
        > * new_key
        > * start_ap
        > * new_station
        > * set_bss
        > * authenticate
        > * associate
        > * deauthenticate
        > * disassociate
        > * join_ibss
        > * remain_on_channel
        > * set_tx_bitrate_mask
        > * frame
        > * frame_wait_cancel
        > * set_wiphy_netns
        > * set_channel
        > * set_wds_peer
        > * start_sched_scan
        > * probe_client
        > * set_noack_map
        > * register_beacons
        > * start_p2p_device
        > * set_mcast_rate
        > * connect
        > * disconnect
        > * channel_switch
        > * set_qos_map
        > * set_multicast_to_unicast
        > Supported TX frame types:
        > * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0
        > 0xc0 0xd0 0xe0 0xf0
        > * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0
        > 0xc0 0xd0 0xe0 0xf0
        > * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0
        > 0xd0 0xe0 0xf0
        > * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0
        > 0xc0 0xd0 0xe0 0xf0
        > * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0
        > 0xb0 0xc0 0xd0 0xe0 0xf0
        > * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0
        > 0xb0 0xc0 0xd0 0xe0 0xf0
        > * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0
        > 0xc0 0xd0 0xe0 0xf0
        > * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0
        > 0xb0 0xc0 0xd0 0xe0 0xf0
        > Supported RX frame types:
        > * IBSS: 0x40 0xb0 0xc0 0xd0
        > * managed: 0x40 0xd0
        > * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
        > * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
        > * mesh point: 0xb0 0xc0 0xd0
        > * P2P-client: 0x40 0xd0
        > * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
        > * P2P-device: 0x40 0xd0
        > WoWLAN support:
        > * wake up on anything (device continues operating normally)
        > * wake up on pattern match, up to 5 patterns of 1-91 bytes,
        >   maximum packet offset 0 bytes
        > software interface modes (can always be added):
        > * AP/VLAN
        > * monitor
        > valid interface combinations:
        > * #{ managed } <= 2, #{ AP, P2P-client, P2P-GO } <= 1, #{ P2P-device } <= 1,
        >   total <= 3, #channels <= 2
        > * #{ AP } <= 2, #{ P2P-device } <= 1,
        >   total <= 2, #channels <= 1, radar detect widths: { 20 MHz (no HT),
        > 20 MHz, 40 MHz, 80 MHz }
        >
        > HT Capability overrides:
        > * MCS: ff ff ff ff ff ff ff ff ff ff
        > * maximum A-MSDU length
        > * supported channel width
        > * short GI for 40 MHz
        > * max A-MPDU length exponent
        > * min MPDU start spacing
        > Device supports TX status socket option.
        > Device supports HT-IBSS.
        > Device supports SAE with AUTHENTICATE command
        > Device supports scan flush.
        > Device supports AP scan.
        > Device supports per-vif TX power setting
        > Driver supports full state transitions for AP/GO clients
        > Driver supports a userspace MPM
        > Device supports configuring vdev MAC-addr on create.
        > Supported extended features:
        > * [ RRM ]: RRM
        > * [ FILS_STA ]: STA FILS (Fast Initial Link Setup)
        > * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
        >
        > ############# here's the log
        >
        > ~# hostapd -dd /run/hostapd-wlanap0.conf
        > random: Trying to read entropy from /dev/random
        > Configuration file: /run/hostapd-wlanap0.conf
        > ctrl_interface_group=0
        > nl80211: Supported cipher 00-0f-ac:1
        > nl80211: Supported cipher 00-0f-ac:5
        > nl80211: Supported cipher 00-0f-ac:2
        > nl80211: Supported cipher 00-0f-ac:4
        > nl80211: Supported cipher 00-14-72:1
        > nl80211: Supports Probe Response offload in AP mode
        > nl80211: Using driver-based off-channel TX
        > nl80211: Driver-advertised extended capabilities (default) -
        > hexdump(len=8): 04 00 00 00 00 00 00 40
        > nl80211: Driver-advertised extended capabilities mask (default) -
        > hexdump(len=8): 04 00 00 00 00 00 00 40
        > nl80211: Supported vendor command: vendor_id=0x80028 subcmd=0
        > nl80211: Supported vendor command: vendor_id=0x80028 subcmd=1
        > nl80211: Supported vendor command: vendor_id=0x80028 subcmd=2
        > nl80211: Supported vendor event: vendor_id=0x80028 subcmd=0
        > nl80211: Supported vendor event: vendor_id=0x80028 subcmd=1
        > nl80211: Use separate P2P group interface (driver advertised support)
        > nl80211: Enable multi-channel concurrent (driver advertised support)
        > nl80211: use P2P_DEVICE support
        > nl80211: interface wlanap0 in phy phy0
        > nl80211: Set mode ifindex 6 iftype 3 (AP)
        > nl80211: Setup AP(wlanap0) - device_ap_sme=0 use_monitor=0
        > nl80211: Subscribe to mgmt frames with AP handle 0x76f1b570
        > nl80211: Register frame type=0xb0 (WLAN_FC_STYPE_AUTH)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0x0 (WLAN_FC_STYPE_ASSOC_REQ)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0x20 (WLAN_FC_STYPE_REASSOC_REQ)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0xa0 (WLAN_FC_STYPE_DISASSOC)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0xc0 (WLAN_FC_STYPE_DEAUTH)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0x40 (WLAN_FC_STYPE_PROBE_REQ)
        > nl_handle=0x76f1b570 match=
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=04
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=0501
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=0503
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=0504
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=06
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=08
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=09
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=0a
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=11
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=12
        > nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION)
        > nl_handle=0x76f1b570 match=7f
        > rfkill: initial event: idx=0 type=1 op=0 soft=0 hard=0
        > nl80211: Add own interface ifindex 6 (ifidx_reason -1)
        > nl80211: if_indices[16]: 6(-1)
        > phy: phy0
        > BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits)
        > wlanap0: interface state UNINITIALIZED->COUNTRY_UPDATE
        > Previous country code US, new country code US
        > nl80211: Regulatory information - country=US (DFS-FCC)
        > nl80211: 2402-2472 @ 40 MHz 30 mBm
        > nl80211: 5170-5250 @ 80 MHz 23 mBm
        > nl80211: 5250-5330 @ 80 MHz 23 mBm (DFS)
        > nl80211: 5490-5730 @ 160 MHz 23 mBm (DFS)
        > nl80211: 5735-5835 @ 80 MHz 30 mBm
        > nl80211: 57240-71000 @ 2160 MHz 40 mBm
        > nl80211: Added 802.11b mode based on 802.11g information
        > nl80211: Mode IEEE 802.11g: 2412 2417 2422 2427 2432 2437 2442 2447
        > 2452 2457 2462 2467[DISABLED] 2472[DISABLED] 2484[DISABLED][NO_IR]
        > nl80211: Mode IEEE 802.11a: 5040[DISABLED] 5060[DISABLED]
        > 5080[DISABLED] 5170[DISABLED] 5180 5190 5200 5210 5220 5230 5240
        > 5260[RADAR] 5280[RADAR] 5300[RADAR] 5320[RADAR] 5500[RADAR]
        > 5520[RADAR] 5540[RADAR] 5560[RADAR]
        > nl80211: Mode IEEE 802.11b: 2412 2417 2422 2427 2432 2437 2442 2447
        > 2452 2457 2462 2467[DISABLED] 2472[DISABLED] 2484[DISABLED][NO_IR]
        > Allowed channel: mode=1 chan=1 freq=2412 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=2 freq=2417 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=3 freq=2422 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=4 freq=2427 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=5 freq=2432 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=6 freq=2437 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=7 freq=2442 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=8 freq=2447 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=9 freq=2452 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=10 freq=2457 MHz max_tx_power=30 dBm
        > Allowed channel: mode=1 chan=11 freq=2462 MHz max_tx_power=30 dBm
        > Allowed channel: mode=2 chan=36 freq=5180 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=38 freq=5190 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=40 freq=5200 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=42 freq=5210 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=44 freq=5220 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=46 freq=5230 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=48 freq=5240 MHz max_tx_power=23 dBm
        > Allowed channel: mode=2 chan=149 freq=5745 MHz max_tx_power=30 dBm
        > Allowed channel: mode=2 chan=153 freq=5765 MHz max_tx_power=30 dBm
        > Allowed channel: mode=2 chan=157 freq=5785 MHz max_tx_power=30 dBm
        > Allowed channel: mode=2 chan=161 freq=5805 MHz max_tx_power=30 dBm
        > Allowed channel: mode=2 chan=165 freq=5825 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=1 freq=2412 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=2 freq=2417 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=3 freq=2422 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=4 freq=2427 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=5 freq=2432 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=6 freq=2437 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=7 freq=2442 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=8 freq=2447 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=9 freq=2452 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=10 freq=2457 MHz max_tx_power=30 dBm
        > Allowed channel: mode=0 chan=11 freq=2462 MHz max_tx_power=30 dBm
        > ACS: Automatic channel selection started, this may take a bit
        > ACS: Scanning 1 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 10 seconds
        > wlanap0: interface state COUNTRY_UPDATE->ACS
        > wlanap0: ACS-STARTED
        > Interface initialization will be completed in a callback (ACS)
        > ctrl_iface not configured!
        > random: Got 20/20 bytes from /dev/random
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 operstate=2 linkmode=0
        > ifi_family=0 ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        > ACS: Scanning 2 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 30 seconds
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        > ACS: Scanning 3 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 30 seconds
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        > ACS: Scanning 4 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 30 seconds
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        > ACS: Scanning 5 / 5
        > wlanap0: nl80211: scan request
        > nl80211: Passive scan requested
        > nl80211: Scan frequency 5180 MHz
        > nl80211: Scan frequency 5190 MHz
        > nl80211: Scan frequency 5200 MHz
        > nl80211: Scan frequency 5210 MHz
        > nl80211: Scan frequency 5220 MHz
        > nl80211: Scan frequency 5230 MHz
        > nl80211: Scan frequency 5240 MHz
        > nl80211: Scan frequency 5745 MHz
        > nl80211: Scan frequency 5765 MHz
        > nl80211: Scan frequency 5785 MHz
        > nl80211: Scan frequency 5805 MHz
        > nl80211: Scan frequency 5825 MHz
        > Scan requested (ret=0) - scan timeout 30 seconds
        > nl80211: Event message available
        > nl80211: Drv Event 33 (NL80211_CMD_TRIGGER_SCAN) received for wlanap0
        > wlanap0: nl80211: Scan trigger
        > wlanap0: Event SCAN_STARTED (47) received
        > Unknown event 47
        > RTM_NEWLINK: ifi_index=6 ifname=wlanap0 wext ifi_family=0
        > ifi_flags=0x1003 ([UP])
        > nl80211: Event message available
        > nl80211: Drv Event 34 (NL80211_CMD_NEW_SCAN_RESULTS) received for wlanap0
        > wlanap0: nl80211: New scan results available
        > nl80211: Scan included frequencies: 5180 5190 5200 5210 5220 5230 5240
        > 5745 5765 5785 5805 5825
        > wlanap0: Event SCAN_RESULTS (3) received
        > ACS: Using survey based algorithm (acs_num_scans=5)
        > nl80211: Fetch survey data
        > wlanap0: Event SURVEY (46) received
        > No survey data received
        > ACS: Trying survey-based ACS
        > ACS: Unable to collect survey data
        > ACS: All study options have failed
        > Interface initialization failed
        > wlanap0: interface state ACS->DISABLED
        > wlanap0: AP-DISABLED
        > ACS: Possibly channel configuration is invalid, please report this
        > along with your config file.
        > ACS: Failed to start
        > wlanap0: AP-DISABLED
        > wlanap0: Deauthenticate all stations
        > nl80211: send_mlme - da= ff:ff:ff:ff:ff:ff noack=0 freq=0 no_cck=0
        > offchanok=0 wait_time=0 fc=0xc0 (WLAN_FC_STYPE_DEAUTH) nlmode=3
        > nl80211: send_mlme -> send_frame
        > nl80211: send_frame - Use bss->freq=0
        > nl80211: send_frame -> send_frame_cmd
        > nl80211: CMD_FRAME freq=0 wait=0 no_cck=0 no_ack=0 offchanok=0
        > CMD_FRAME - hexdump(len=26): c0 00 00 00 ff ff ff ff ff ff f2 45 da 39
        > 75 4c f2 45 da 39 75 4c 00 00 03 00
        > nl80211: Frame command failed: ret=-22 (Invalid argument) (freq=0 wait=0)
        > hostapd_free_hapd_data: Interface wlanap0 wasn't started
        > hostapd_deinit_driver: driver=0x59b450 drv_priv=0x76f1ef50 -> hapd_deinit
        > nl80211: deinit ifname=wlanap0 disabled_11b_rates=0
        > nl80211: Remove monitor interface: refcount=0
        > nl80211: Remove beacon (ifindex=6)
        > netlink: Operstate: ifindex=6 linkmode=0 (kernel-control), operstate=6
        > (IF_OPER_UP)
        > nl80211: Unsubscribe mgmt frames handle 0xfe793df9 (deinit)
        > hostapd_deinit_driver:bss[0]->drv_priv=0x76f1ef50
        > hostapd_cleanup_iface_partial(0x76f1b010)
        > Interface wlanap0 disabled
        > wlanap0: interface state DISABLED->DISABLED
        > hostapd_interface_deinit_free(0x76f1b010)
        > hostapd_interface_deinit_free: num_bss=1 conf->num_bss=1
        > hostapd_interface_deinit(0x76f1b010)
        > wlanap0: interface state DISABLED->DISABLED
        > hostapd_bss_deinit: deinit bss wlanap0
        > wlanap0: AP-DISABLED
        > hostapd_cleanup(hapd=0x76f1e7e0 (wlanap0))
        > wlanap0: CTRL-EVENT-TERMINATING
        > hostapd_free_hapd_data: Interface wlanap0 wasn't started
        > hostapd_interface_deinit_free: driver=0x59b450 drv_priv=0 -> hapd_deinit
        > hostapd_interface_free(0x76f1b010)
        > hostapd_interface_free: free hapd 0x76f1e7e0
        > hostapd_cleanup_iface(0x76f1b010)
        > hostapd_cleanup_iface_partial(0x76f1b010)
        > hostapd_cleanup_iface: free iface=0x76f1b010
        >
        >
        > Thanks
        > Nick
        
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