nl80211: Beacon set failed: -16 (Device or resource busy)
Sourav
sourav.chakraborty
Mon Nov 17 16:35:37 PST 2014
I am getting the following error on trying to run hostapd --
Can you suggest how to fix this
root:/tmp/cdcs/etc# hostapd -B hostapd.conf -dddd
random: Trying to read entropy from /dev/urandom
Configuration file: hostapd.conf
ctrl_interface_group=0
rfkill: initial event: idx=0 type=1 op=0 soft=0 hard=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: Using driver-based off-channel TX
nl80211: interface wlan0 in phy phy0
nl80211: Set mode ifindex 9 iftype 3 (AP)
nl80211: Setup AP(wlan0) - device_ap_sme=0 use_monitor=1
nl80211: Create interface iftype 6 (MONITOR)
nl80211: New interface mon.wlan0 created: ifindex=173
nl80211: Add own interface ifindex 173
nl80211: if_indices[16]: 173
nl80211: Add own interface ifindex 7
nl80211: if_indices[16]: 173 7
nl80211: Add own interface ifindex 9
nl80211: if_indices[16]: 173 7 9
phy: phy0
BSS count 2, BSSID mask 00:00:00:00:00:02 (1 bits)
wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE
Previous country code AU, new country code AU
nl80211: Regulatory information - country=AU
nl80211: 2402-2482 @ 40 MHz 0 mBm
nl80211: 5170-5250 @ 80 MHz 0 mBm
nl80211: 5250-5330 @ 80 MHz 0 mBm
nl80211: 5490-5710 @ 80 MHz 0 mBm
nl80211: 5735-5835 @ 80 MHz 0 mBm
nl80211: Added 802.11b mode based on 802.11g information
Allowed channel: mode=1 chan=1 freq=2412 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=2 freq=2417 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=3 freq=2422 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=4 freq=2427 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=5 freq=2432 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=6 freq=2437 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=7 freq=2442 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=8 freq=2447 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=9 freq=2452 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=10 freq=2457 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=11 freq=2462 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=12 freq=2467 MHz max_tx_power=0 dBm
Allowed channel: mode=1 chan=13 freq=2472 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=1 freq=2412 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=2 freq=2417 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=3 freq=2422 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=4 freq=2427 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=5 freq=2432 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=6 freq=2437 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=7 freq=2442 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=8 freq=2447 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=9 freq=2452 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=10 freq=2457 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=11 freq=2462 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=12 freq=2467 MHz max_tx_power=0 dBm
Allowed channel: mode=0 chan=13 freq=2472 MHz max_tx_power=0 dBm
HT40: control channel: 11 secondary channel: 7
Completing interface initialization
Mode: IEEE 802.11g Channel: 11 Frequency: 2462 MHz
DFS 0 channels required radar detection
nl80211: Set freq 2462 (ht_enabled=1, vht_enabled=0, bandwidth=40 MHz,
cf1=2452 MHz, cf2=0 MHz)
RATE[0] rate=10 flags=0x1
RATE[1] rate=20 flags=0x1
RATE[2] rate=55 flags=0x1
RATE[3] rate=110 flags=0x1
RATE[4] rate=60 flags=0x0
RATE[5] rate=90 flags=0x0
RATE[6] rate=120 flags=0x0
RATE[7] rate=180 flags=0x0
RATE[8] rate=240 flags=0x0
RATE[9] rate=360 flags=0x0
RATE[10] rate=480 flags=0x0
RATE[11] rate=540 flags=0x0
hostapd_setup_bss(hapd=0x95690 (wlan0), first=1)
wlan0: Flushing old station entries
nl80211: flush -> DEL_STATION wlan0 (all)
wlan0: Deauthenticate all stations
nl80211: send_mlme - noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0
fc=0xc0 nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2462
nl80211: send_frame(freq=2462 bss->freq=2462) -> send_mntr
wpa_driver_nl80211_set_key: ifindex=9 (wlan0) alg=0 addr=(nil) key_idx=0
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=9 (wlan0) alg=0 addr=(nil) key_idx=1
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=9 (wlan0) alg=0 addr=(nil) key_idx=2
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=9 (wlan0) alg=0 addr=(nil) key_idx=3
set_tx=0 seq_len=0 key_len=0
Using interface wlan0 with hwaddr 00:60:64:e7:e9:60 and ssid "NetComm 2500"
Deriving WPA PSK based on passphrase
SSID - hexdump_ascii(len=12):
4e 65 74 43 6f 6d 6d 20 32 35 30 30 NetComm 2500
PSK (ASCII passphrase) - hexdump_ascii(len=10): [REMOVED]
PSK (from passphrase) - hexdump(len=32): [REMOVED]
random: Got 20/20 bytes from /dev/urandom
Get randomness: len=32 entropy=0
random from os_get_random - hexdump(len=32): [REMOVED]
random_mix_pool - hexdump(len=20): [REMOVED]
random from internal pool - hexdump(len=16): [REMOVED]
random_mix_pool - hexdump(len=20): [REMOVED]
random from internal pool - hexdump(len=16): [REMOVED]
mixed random - hexdump(len=32): [REMOVED]
GMK - hexdump(len=32): [REMOVED]
Get randomness: len=32 entropy=0
random from os_get_random - hexdump(len=32): [REMOVED]
random_mix_pool - hexdump(len=20): [REMOVED]
random from internal pool - hexdump(len=16): [REMOVED]
random_mix_pool - hexdump(len=20): [REMOVED]
random from internal pool - hexdump(len=16): [REMOVED]
mixed random - hexdump(len=32): [REMOVED]
Key Counter - hexdump(len=32): [REMOVED]
WPA: Delay group state machine start until Beacon frames have been
configured
nl80211: Set beacon (beacon_set=0)
nl80211: Beacon head - hexdump(len=63): 80 00 00 00 ff ff ff ff ff ff 00
60 64 e7 e9 60 00 60 64 e7 e9 60 00 00 00 00 00 00 00 00 00 00 64 00 11
04 00 0c 4e 65 74 43 6f 6d 6d 20 32 35 30 30 01 08 82 84 8b 96 0c 12 18
24 03 01 0b
nl80211: Beacon tail - hexdump(len=119): 2a 01 04 32 04 30 48 60 6c 30
14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00 2d 1a ee
02 13 ff ff 00 00 01 00 00 00 00 00 00 00 07 00 00 00 00 00 00 00 00 00
00 3d 16 0b 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 7f 08 00 00 00 00 00 00 00 40 dd 18 00 50 f2 02 01 01 00 00 03 a4 00
00 27 a4 00 00 42 43 5e 00 62 32 2f 00
nl80211: ifindex=9
nl80211: beacon_int=100
nl80211: dtim_period=2
nl80211: ssid - hexdump_ascii(len=12):
4e 65 74 43 6f 6d 6d 20 32 35 30 30 NetComm 2500
nl80211: hidden SSID not in use
nl80211: privacy=1
nl80211: auth_algs=0x1
nl80211: wpa_version=0x2
nl80211: key_mgmt_suites=0x2
nl80211: pairwise_ciphers=0x10
nl80211: group_cipher=0x10
nl80211: beacon_ies - hexdump(len=10): 7f 08 00 00 00 00 00 00 00 40
nl80211: proberesp_ies - hexdump(len=10): 7f 08 00 00 00 00 00 00 00 40
nl80211: assocresp_ies - hexdump(len=10): 7f 08 00 00 00 00 00 00 00 40
*nl80211: Beacon set failed: -16 (Device or resource busy)*
Failed to set beacon parameters
Interface initialization failed
wlan0: interface state COUNTRY_UPDATE->DISABLED
wlan0: AP-DISABLED
wlan0: Unable to setup interface.
hostapd_interface_deinit_free(0x932c8)
hostapd_interface_deinit_free: num_bss=2 conf->num_bss=2
hostapd_interface_deinit(0x932c8)
hostapd_bss_deinit: deinit bss wlan1
wlan0: Deauthenticate all stations
nl80211: send_mlme - noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0
fc=0xc0 nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2462
nl80211: send_frame(freq=2462 bss->freq=2462) -> send_mntr
hostapd_cleanup(hapd=0x95ca0 (wlan1))
hostapd_free_hapd_data: Interface wlan1 wasn't started
hostapd_bss_deinit: deinit bss wlan0
wlan0: Deauthenticate all stations
nl80211: send_mlme - noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0
fc=0xc0 nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2462
nl80211: send_frame(freq=2462 bss->freq=2462) -> send_mntr
hostapd_cleanup(hapd=0x95690 (wlan0))
hostapd_free_hapd_data(wlan0)
hostapd_interface_deinit_free: driver=0x769c4 drv_priv=0x964c8 ->
hapd_deinit
nl80211: Remove monitor interface: refcount=0
nl80211: Remove interface ifindex=173
nl80211: if_indices[16]: 7 9
nl80211: Remove beacon (ifindex=9)
netlink: Operstate: ifindex=9 linkmode=0 (kernel-control), operstate=6
(IF_OPER_UP)
hostapd_interface_free(0x932c8)
hostapd_interface_free: free hapd 0x95690
hostapd_interface_free: free hapd 0x95ca0
hostapd_cleanup_iface(0x932c8)
hostapd_cleanup_iface_partial(0x932c8)
hostapd_cleanup_iface: free iface=0x932c8
root:/tmp/cdcs/etc#
--
Warm Regards,
Sourav
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