hostapd not sending SSID

Mark Gannon mark at truenorth.nu
Sun Aug 18 07:37:25 PDT 2019


I'm trying to configure hostapd, but the SSID doesn't appear.  This is the 
case with Debian 10, OpenSUSE 15.1, and 2.9 from the website.  If I use dd-wrt 
on the same hardware, I am able to see an SSID on other devices.

lspci reports the nic as:
04:00.0 Network controller: Qualcomm Atheros AR928X Wireless Network Adapter 
(PCI-Express) (rev 01)

My minimal config:
interface=wlan0
driver=nl80211
ssid=test
ctrl_interface=/var/run/hostapd
channel=1
wpa_key_mgmt=WPA-PSK


Output from running with -dd:

random: Trying to read entropy from /dev/random
Configuration file: minimal_hostapd.conf
nl80211: TDLS supported
nl80211: TDLS external setup
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 00-0f-ac:10
nl80211: Supported cipher 00-0f-ac:8
nl80211: Supported cipher 00-0f-ac:9
nl80211: Supported cipher 00-0f-ac:6
nl80211: Supported cipher 00-0f-ac:13
nl80211: Supported cipher 00-0f-ac:11
nl80211: Supported cipher 00-0f-ac:12
nl80211: Using driver-based off-channel TX
nl80211: Driver-advertised extended capabilities (default) - hexdump(len=8):
00 00 00 00 00 00 00 40
nl80211: Driver-advertised extended capabilities mask (default) -
hexdump(len=8): 00 00 00 00 00 00 00 40
nl80211: Use separate P2P group interface (driver advertised support)
nl80211: interface wlan0 in phy phy0
nl80211: Set mode ifindex 5 iftype 3 (AP)
nl80211: Setup AP(wlan0) - device_ap_sme=0 use_monitor=0
nl80211: Subscribe to mgmt frames with AP handle 0x12b52a0
nl80211: Register frame type=0xb0 (WLAN_FC_STYPE_AUTH) nl_handle=0x12b52a0
match=
nl80211: Register frame type=0x0 (WLAN_FC_STYPE_ASSOC_REQ) nl_handle=0x12b52a0
match=
nl80211: Register frame type=0x20 (WLAN_FC_STYPE_REASSOC_REQ)
nl_handle=0x12b52a0 match=
nl80211: Register frame type=0xa0 (WLAN_FC_STYPE_DISASSOC) nl_handle=0x12b52a0
match=
nl80211: Register frame type=0xc0 (WLAN_FC_STYPE_DEAUTH) nl_handle=0x12b52a0
match=
nl80211: Register frame type=0x40 (WLAN_FC_STYPE_PROBE_REQ)
nl_handle=0x12b52a0 match=
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=04
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=0501
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=0503
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=0504
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=06
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=08
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=09
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=0a
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=11
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x12b52a0
match=7f
rfkill: initial event: idx=0 type=1 op=0 soft=0 hard=0
nl80211: Add own interface ifindex 5 (ifidx_reason -1)
nl80211: if_indices[16]: 5(-1)
phy: phy0
BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits)
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]
nl80211: Mode IEEE 802.11a: 5180 5200 5220 5240 5260[NO_IR][RADAR] 5280[NO_IR]
[RADAR] 5300[NO_IR][RADAR] 5320[NO_IR][RADAR] 5500[NO_IR][RADAR] 5520[NO_IR]
[RADAR] 5540[NO_IR][RADAR] 5560[NO_IR][RADAR] 5580[NO_IR][RADAR]
nl80211: Mode IEEE 802.11b: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457
2462 2467[DISABLED] 2472[DISABLED] 2484[DISABLED]
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=40 freq=5200 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=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
Completing interface initialization
Mode: IEEE 802.11b Channel: 1 Frequency: 2412 MHz
DFS 0 channels required radar detection
nl80211: Set freq 2412 (ht_enabled=0, vht_enabled=0, he_enabled=0,
bandwidth=20 MHz, cf1=2412 MHz, cf2=0 MHz)
* freq=2412
* he_enabled=0
* vht_enabled=0
* ht_enabled=0
* channel_type=0
RATE[0] rate=10 flags=0x1
RATE[1] rate=20 flags=0x1
RATE[2] rate=55 flags=0x0
RATE[3] rate=110 flags=0x0
hostapd_setup_bss(hapd=0x12d1bb0 (wlan0), first=1)
wlan0: Flushing old station entries
nl80211: flush -> DEL_STATION wlan0 (all)
wlan0: 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=2412
nl80211: send_frame -> send_frame_cmd
nl80211: CMD_FRAME freq=2412 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 04 f0 21 45 82 7f
04 f0 21 45 82 7f 00 00 02 00
nl80211: Frame command failed: ret=-16 (Device or resource busy) (freq=2412
wait=0)
wpa_driver_nl80211_set_key: ifindex=5 (wlan0) alg=0 addr=(nil) key_idx=0
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=5 (wlan0) alg=0 addr=(nil) key_idx=1
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=5 (wlan0) alg=0 addr=(nil) key_idx=2
set_tx=0 seq_len=0 key_len=0
wpa_driver_nl80211_set_key: ifindex=5 (wlan0) alg=0 addr=(nil) key_idx=3
set_tx=0 seq_len=0 key_len=0
Using interface wlan0 with hwaddr 04:f0:21:45:82:7f and ssid "test"
nl80211: Set beacon (beacon_set=0)
nl80211: Beacon head - hexdump(len=51): 80 00 00 00 ff ff ff ff ff ff 04 f0 21
45 82 7f 04 f0 21 45 82 7f 00 00 00 00 00 00 00 00 00 00 64 00 01 00 00 04 74
65 73 74 01 04 82 84 0b 16 03 01 01
nl80211: Beacon tail - hexdump(len=14): 3b 02 51 00 7f 08 04 00 00 00 00 00 00
40
nl80211: ifindex=5
nl80211: beacon_int=100
nl80211: beacon_rate=0
nl80211: rate_type=0
nl80211: dtim_period=2
nl80211: ssid=test
* beacon_int=100
* dtim_period=2
nl80211: hidden SSID not in use
nl80211: privacy=0
nl80211: auth_algs=0x3
nl80211: wpa_version=0x0
nl80211: key_mgmt_suites=0x4
nl80211: pairwise_ciphers=0x0
nl80211: group_cipher=0x1
nl80211: beacon_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
nl80211: proberesp_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
nl80211: assocresp_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
nl80211: multicast to unicast disabled on interface wlan0
nl80211: Set wlan0 operstate 0->1 (UP)
netlink: Operstate: ifindex=5 linkmode=-1 (no change), operstate=6
(IF_OPER_UP)
nl80211: TX queue param set: queue=0 aifs=1 cw_min=3 cw_max=7 burst_time=15 --
> res=0
nl80211: TX queue param set: queue=1 aifs=1 cw_min=7 cw_max=15 burst_time=30
--> res=0
nl80211: TX queue param set: queue=2 aifs=3 cw_min=15 cw_max=63 burst_time=0
--> res=0
nl80211: TX queue param set: queue=3 aifs=7 cw_min=15 cw_max=1023 burst_time=0
--> res=0
wlan0: interface state UNINITIALIZED->ENABLED
wlan0: AP-ENABLED
wlan0: Setup of interface done.
ctrl_iface not configured!
random: Got 20/20 bytes from /dev/random
RTM_NEWLINK: ifi_index=5 ifname=wlan0 operstate=2 linkmode=0 ifi_family=0
ifi_flags=0x1003 ([UP])
RTM_NEWLINK: ifi_index=5 ifname=wlan0 operstate=6 linkmode=0 ifi_family=0
ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP])

 Ip addr show produces:

5: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
group default qlen 1000
link/ether 04:f0:21:45:82:7f brd ff:ff:ff:ff:ff:ff
inet6 fe80::6f0:21ff:fe45:827f/64 scope link
valid_lft forever preferred_lft forever 

iwconfig wlan0 produces:
wlan0 IEEE 802.11 Mode:Master Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off 

Regards,

Mark Gannon

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