this still doesn't work for me on jammy with kernel 5.15.0-52-generic on this hardware: https://linux-hardware.org/?probe=029cddbcd6 the module loads, hostapd starts but clients don't see the ssid, not even with minimal hostapd config on kernel wiki (https://wireless.wiki.kernel.org/en/users/documentation/hostapd) $ sudo lspci -d 14c3:7961 -vvvv 03:00.0 Network controller: MEDIATEK Corp. MT7921 802.11ax PCI Express Wireless Network Adapter DeviceName: Onboard - RTK Ethernet Subsystem: MEDIATEK Corp. MT7921 802.11ax PCI Express Wireless Network Adapter Physical Slot: 4 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Capabilities: [108 v1] Latency Tolerance Reporting Max snoop latency: 3145728ns Max no snoop latency: 3145728ns Capabilities: [110 v1] L1 PM Substates L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+ PortCommonModeRestoreTime=3us PortTPowerOnTime=28us L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ T_CommonMode=0us LTR1.2_Threshold=65536ns L1SubCtl2: T_PwrOn=28us Capabilities: [200 v2] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap- ECRCChkEn- MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 00000000 00000000 00000000 00000000 Kernel driver in use: mt7921e Kernel modules: mt7921e $ cat /var/tmp/hostapd-minimal.conf interface=wlan3 driver=nl80211 ssid=test channel=1 logger_stdout_level=0 $ sudo hostapd -tKdd /var/tmp/hostapd-minimal.conf 1669162887.018252: random: getrandom() support available 1669162887.018311: Configuration file: /var/tmp/hostapd-minimal.conf 1669162887.019151: nl80211: TDLS supported 1669162887.019164: nl80211: TDLS external setup 1669162887.019170: nl80211: Supported cipher 00-0f-ac:1 1669162887.019176: nl80211: Supported cipher 00-0f-ac:5 1669162887.019180: nl80211: Supported cipher 00-0f-ac:2 1669162887.019186: nl80211: Supported cipher 00-0f-ac:4 1669162887.019199: nl80211: Supported cipher 00-0f-ac:10 1669162887.019207: nl80211: Supported cipher 00-0f-ac:8 1669162887.019212: nl80211: Supported cipher 00-0f-ac:9 1669162887.019220: nl80211: Supported cipher 00-0f-ac:6 1669162887.019231: nl80211: Supported cipher 00-0f-ac:13 1669162887.019237: nl80211: Supported cipher 00-0f-ac:11 1669162887.019247: nl80211: Supported cipher 00-0f-ac:12 1669162887.019280: nl80211: Using driver-based off-channel TX 1669162887.019302: nl80211: Driver-advertised extended capabilities (default) - hexdump(len=8): 00 00 00 00 00 00 00 40 1669162887.019316: nl80211: Driver-advertised extended capabilities mask (default) - hexdump(len=8): 00 00 00 00 00 00 00 40 1669162887.019339: nl80211: key_mgmt=0x1ff0f enc=0xfef auth=0x7 flags=0x4003d10d35bd0e0 rrm_flags=0x30 probe_resp_offloads=0x0 max_stations=0 max_remain_on_chan=5000 max_scan_ssids=4 1669162887.019356: nl80211: interface wlan3 in phy phy3 1669162887.019393: nl80211: Set mode ifindex 17 iftype 3 (AP) 1669162887.019438: nl80211: Failed to set interface 17 to mode 3: -16 (Device or resource busy) 1669162887.019476: nl80211: Try mode change after setting interface down 1669162887.041456: nl80211: Set mode ifindex 17 iftype 3 (AP) 1669162887.041656: nl80211: Mode change succeeded while interface is down 1669162887.089266: nl80211: Setup AP(wlan3) - device_ap_sme=0 use_monitor=0 1669162887.089343: nl80211: Subscribe to mgmt frames with AP handle 0x55d6960f7b80 1669162887.089357: nl80211: Register frame type=0xb0 (WLAN_FC_STYPE_AUTH) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089413: nl80211: Register frame type=0x0 (WLAN_FC_STYPE_ASSOC_REQ) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089445: nl80211: Register frame type=0x20 (WLAN_FC_STYPE_REASSOC_REQ) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089524: nl80211: Register frame type=0xa0 (WLAN_FC_STYPE_DISASSOC) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089595: nl80211: Register frame type=0xc0 (WLAN_FC_STYPE_DEAUTH) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089688: nl80211: Register frame type=0x40 (WLAN_FC_STYPE_PROBE_REQ) nl_handle=0x55d6960f7b80 match= multicast=0 1669162887.089768: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=04 multicast=0 1669162887.089833: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=0501 multicast=0 1669162887.089938: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=0503 multicast=0 1669162887.089999: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=0504 multicast=0 1669162887.090064: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=06 multicast=0 1669162887.090135: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=08 multicast=0 1669162887.090204: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=09 multicast=0 1669162887.090276: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=0a multicast=0 1669162887.090346: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=11 multicast=0 1669162887.090425: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=12 multicast=0 1669162887.090500: nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x55d6960f7b80 match=7f multicast=0 1669162887.091171: rfkill: initial event: idx=4 type=1 op=0 soft=0 hard=0 1669162887.091780: nl80211: Add own interface ifindex 17 (ifidx_reason -1) 1669162887.091810: nl80211: if_indices[16]: 17(-1) 1669162887.091832: nl80211: Do not open EAPOL RX socket - using control port for RX 1669162887.091856: phy: phy3 1669162887.091880: BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits) 1669162887.092457: nl80211: Regulatory information - country=FR (DFS-ETSI) 1669162887.092486: nl80211: 2400-2483 @ 40 MHz 20 mBm 1669162887.092503: nl80211: 5150-5250 @ 80 MHz 23 mBm (no outdoor) 1669162887.092519: nl80211: 5250-5350 @ 80 MHz 20 mBm (no outdoor) (DFS) 1669162887.092535: nl80211: 5470-5725 @ 160 MHz 26 mBm (DFS) 1669162887.092548: nl80211: 5725-5875 @ 80 MHz 13 mBm 1669162887.092561: nl80211: 5945-6425 @ 160 MHz 23 mBm (no outdoor) 1669162887.092584: nl80211: 57000-71000 @ 2160 MHz 40 mBm 1669162887.092646: nl80211: Added 802.11b mode based on 802.11g information 1669162887.092676: nl80211: Mode IEEE 802.11g: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 2484[DISABLED][NO_IR] 1669162887.092702: nl80211: Mode IEEE 802.11a: 5180 5200 5220 5240 5260[RADAR] 5280[RADAR] 5300[RADAR] 5320[RADAR] 5500[RADAR] 5520[RADAR] 5540[RADAR] 5560[RADAR] 5580[RADAR] 5600[RADAR] 5620[RADAR] 5640[RADAR] 5660[RADAR] 5680[RADAR] 1669162887.092726: nl80211: Mode IEEE 802.11b: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 2484[DISABLED][NO_IR] 1669162887.092753: Allowed channel: mode=1 chan=1 freq=2412 MHz max_tx_power=20 dBm 1669162887.092768: Allowed channel: mode=1 chan=2 freq=2417 MHz max_tx_power=20 dBm 1669162887.092778: Allowed channel: mode=1 chan=3 freq=2422 MHz max_tx_power=20 dBm 1669162887.092787: Allowed channel: mode=1 chan=4 freq=2427 MHz max_tx_power=20 dBm 1669162887.092796: Allowed channel: mode=1 chan=5 freq=2432 MHz max_tx_power=20 dBm 1669162887.092812: Allowed channel: mode=1 chan=6 freq=2437 MHz max_tx_power=20 dBm 1669162887.092827: Allowed channel: mode=1 chan=7 freq=2442 MHz max_tx_power=20 dBm 1669162887.092838: Allowed channel: mode=1 chan=8 freq=2447 MHz max_tx_power=20 dBm 1669162887.092854: Allowed channel: mode=1 chan=9 freq=2452 MHz max_tx_power=20 dBm 1669162887.092865: Allowed channel: mode=1 chan=10 freq=2457 MHz max_tx_power=20 dBm 1669162887.092875: Allowed channel: mode=1 chan=11 freq=2462 MHz max_tx_power=20 dBm 1669162887.092884: Allowed channel: mode=1 chan=12 freq=2467 MHz max_tx_power=20 dBm 1669162887.092897: Allowed channel: mode=1 chan=13 freq=2472 MHz max_tx_power=20 dBm 1669162887.092910: Allowed channel: mode=2 chan=36 freq=5180 MHz max_tx_power=23 dBm 1669162887.092922: Allowed channel: mode=2 chan=40 freq=5200 MHz max_tx_power=23 dBm 1669162887.092930: Allowed channel: mode=2 chan=44 freq=5220 MHz max_tx_power=23 dBm 1669162887.092945: Allowed channel: mode=2 chan=48 freq=5240 MHz max_tx_power=23 dBm 1669162887.092955: Allowed channel: mode=2 chan=149 freq=5745 MHz max_tx_power=13 dBm 1669162887.092969: Allowed channel: mode=2 chan=153 freq=5765 MHz max_tx_power=13 dBm 1669162887.092987: Allowed channel: mode=2 chan=157 freq=5785 MHz max_tx_power=13 dBm 1669162887.093003: Allowed channel: mode=2 chan=161 freq=5805 MHz max_tx_power=13 dBm 1669162887.093019: Allowed channel: mode=2 chan=165 freq=5825 MHz max_tx_power=13 dBm 1669162887.093029: Allowed channel: mode=2 chan=169 freq=5845 MHz max_tx_power=13 dBm 1669162887.093037: Allowed channel: mode=2 chan=173 freq=5865 MHz max_tx_power=13 dBm 1669162887.093046: Allowed channel: mode=0 chan=1 freq=2412 MHz max_tx_power=20 dBm 1669162887.093058: Allowed channel: mode=0 chan=2 freq=2417 MHz max_tx_power=20 dBm 1669162887.093071: Allowed channel: mode=0 chan=3 freq=2422 MHz max_tx_power=20 dBm 1669162887.093082: Allowed channel: mode=0 chan=4 freq=2427 MHz max_tx_power=20 dBm 1669162887.093094: Allowed channel: mode=0 chan=5 freq=2432 MHz max_tx_power=20 dBm 1669162887.093103: Allowed channel: mode=0 chan=6 freq=2437 MHz max_tx_power=20 dBm 1669162887.093121: Allowed channel: mode=0 chan=7 freq=2442 MHz max_tx_power=20 dBm 1669162887.093141: Allowed channel: mode=0 chan=8 freq=2447 MHz max_tx_power=20 dBm 1669162887.093156: Allowed channel: mode=0 chan=9 freq=2452 MHz max_tx_power=20 dBm 1669162887.093165: Allowed channel: mode=0 chan=10 freq=2457 MHz max_tx_power=20 dBm 1669162887.093174: Allowed channel: mode=0 chan=11 freq=2462 MHz max_tx_power=20 dBm 1669162887.093187: Allowed channel: mode=0 chan=12 freq=2467 MHz max_tx_power=20 dBm 1669162887.093210: Allowed channel: mode=0 chan=13 freq=2472 MHz max_tx_power=20 dBm 1669162887.093245: Completing interface initialization 1669162887.093267: Mode: IEEE 802.11b Channel: 1 Frequency: 2412 MHz 1669162887.093288: DFS 0 channels required radar detection 1669162887.093305: nl80211: Set freq 2412 (ht_enabled=0, vht_enabled=0, he_enabled=0, bandwidth=20 MHz, cf1=2412 MHz, cf2=0 MHz) 1669162887.093326: * freq=2412 1669162887.093340: * he_enabled=0 1669162887.093360: * vht_enabled=0 1669162887.093380: * ht_enabled=0 1669162887.093391: * channel_type=0 1669162887.093453: RATE[0] rate=10 flags=0x1 1669162887.093471: RATE[1] rate=20 flags=0x1 1669162887.093487: RATE[2] rate=55 flags=0x0 1669162887.093507: RATE[3] rate=110 flags=0x0 1669162887.093530: hostapd_setup_bss(hapd=0x55d6960f1190 (wlan3), first=1) 1669162887.093546: nl80211: flush -> DEL_STATION wlan3 (all) 1669162887.093601: Using interface wlan3 with hwaddr 18:ef:3a:ac:34:f8 and ssid "test" 1669162887.093838: nl80211: Set beacon (beacon_set=0) 1669162887.094004: nl80211: Beacon head - hexdump(len=51): 80 00 00 00 ff ff ff ff ff ff 18 ef 3a 3d 8a c2 18 ef 3a 3d 8a c2 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 1669162887.094052: nl80211: Beacon tail - hexdump(len=14): 3b 02 51 00 7f 08 04 00 00 02 00 00 00 40 1669162887.094080: nl80211: ifindex=17 1669162887.094101: nl80211: beacon_int=100 1669162887.094115: nl80211: beacon_rate=0 1669162887.094129: nl80211: rate_type=0 1669162887.094141: nl80211: dtim_period=2 1669162887.094157: nl80211: ssid=test 1669162887.094171: * beacon_int=100 1669162887.094196: * dtim_period=2 1669162887.094218: nl80211: hidden SSID not in use 1669162887.094233: nl80211: privacy=0 1669162887.094243: nl80211: auth_algs=0x3 1669162887.094257: nl80211: wpa_version=0x0 1669162887.094268: nl80211: key_mgmt_suites=0x4 1669162887.094293: nl80211: pairwise_ciphers=0x0 1669162887.094316: nl80211: group_cipher=0x1 1669162887.094331: nl80211: beacon_ies - hexdump(len=10): 7f 08 04 00 00 02 00 00 00 40 1669162887.094352: nl80211: proberesp_ies - hexdump(len=10): 7f 08 04 00 00 02 00 00 00 40 1669162887.094378: nl80211: assocresp_ies - hexdump(len=10): 7f 08 04 00 00 02 00 00 00 40 1669162887.112874: nl80211: multicast to unicast disabled on interface wlan3 1669162887.112920: wlan3: Deauthenticate all stations at BSS start 1669162887.112935: nl80211: send_mlme - da=ff:ff:ff:ff:ff:ff noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0 no_encrypt=0 fc=0xc0 (WLAN_FC_STYPE_DEAUTH) nlmode=3 1669162887.112952: nl80211: send_mlme - Use bss->freq=2412 1669162887.112959: nl80211: send_mlme -> send_frame_cmd 1669162887.112967: nl80211: CMD_FRAME freq=2412 wait=0 no_cck=0 no_ack=0 offchanok=0 1669162887.112975: CMD_FRAME - hexdump(len=26): c0 00 00 00 ff ff ff ff ff ff 18 ef 3a 3d 8a c2 18 ef 3a 3d 8a c2 00 00 02 00 1669162887.113101: nl80211: Frame TX command accepted; cookie 0xb 1669162887.113124: nl80211: Set wlan3 operstate 0->1 (UP) 1669162887.113162: netlink: Operstate: ifindex=17 linkmode=-1 (no change), operstate=6 (IF_OPER_UP) 1669162887.113864: nl80211: TX queue param set: queue=0 aifs=1 cw_min=3 cw_max=7 burst_time=15 --> res=0 1669162887.114595: nl80211: TX queue param set: queue=1 aifs=1 cw_min=7 cw_max=15 burst_time=30 --> res=0 1669162887.115251: nl80211: TX queue param set: queue=2 aifs=3 cw_min=15 cw_max=63 burst_time=0 --> res=0 1669162887.115820: nl80211: TX queue param set: queue=3 aifs=7 cw_min=15 cw_max=1023 burst_time=0 --> res=0 1669162887.115842: wlan3: interface state UNINITIALIZED->ENABLED 1669162887.115863: wlan3: AP-ENABLED 1669162887.115879: wlan3: Setup of interface done. 1669162887.115893: ctrl_iface not configured! 1669162887.115940: RTM_NEWLINK: ifi_index=17 ifname=wlan3 operstate=2 linkmode=0 ifi_family=0 ifi_flags=0x1002 () 1669162887.116014: nl80211: Ignore interface down event since interface wlan3 is up 1669162887.116042: RTM_NEWLINK: ifi_index=17 ifname=wlan3 operstate=2 linkmode=0 ifi_family=0 ifi_flags=0x1003 ([UP]) 1669162887.116106: RTM_NEWLINK: ifi_index=17 ifname=wlan3 operstate=6 linkmode=0 ifi_family=0 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP]) 1669162887.116191: nl80211: Event message available 1669162887.116234: nl80211: Drv Event 35 (NL80211_CMD_SCAN_ABORTED) received for wlan3 1669162887.116251: wlan3: nl80211: Scan aborted 1669162887.116272: nl80211: Scan included frequencies: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700 5720 5745 5765 5785 5805 5825 5845 5865 1669162887.116286: wlan3: Event SCAN_RESULTS (3) received 1669162887.116300: VLAN: RTM_NEWLINK: ifi_index=17 ifname=wlan3 ifi_family=0 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP]) 1669162887.116321: VLAN: vlan_newlink(wlan3) 1669162887.116343: nl80211: Event message available 1669162887.116365: nl80211: Drv Event 60 (NL80211_CMD_FRAME_TX_STATUS) received for wlan3 1669162887.116384: nl80211: MLME event 60 (NL80211_CMD_FRAME_TX_STATUS) on wlan3(18:ef:3a:ac:34:f8) A1=ff:ff:ff:ff:ff:ff A2=18:ef:3a:ac:34:f8 1669162887.116403: nl80211: MLME event frame - hexdump(len=26): c0 00 00 00 ff ff ff ff ff ff 18 ef 3a 3d 8a c2 18 ef 3a 3d 8a c2 00 00 02 00 1669162887.116423: nl80211: Frame TX status event A1=ff:ff:ff:ff:ff:ff stype=12 cookie=0xb ack=0 1669162887.116440: wlan3: Event TX_STATUS (16) received 1669162887.116453: mgmt::deauth cb 1669162888.550014: nl80211: Event message available 1669162888.550098: nl80211: Ignored event 33 (NL80211_CMD_TRIGGER_SCAN) for foreign interface (ifindex 12 wdev 0x0) 1669162889.496527: nl80211: Event message available 1669162889.496627: nl80211: Ignored event 34 (NL80211_CMD_NEW_SCAN_RESULTS) for foreign interface (ifindex 12 wdev 0x0) 1669162889.496656: VLAN: RTM_NEWLINK: ifi_index=12 ifname=wlx60e3271bb343 ifi_family=0 ifi_flags=0x1003 ([UP]) 1669162889.496675: VLAN: vlan_newlink(wlx60e3271bb343) 1669162889.496719: RTM_NEWLINK: ifi_index=12 ifname=wlx60e3271bb343 wext ifi_family=0 ifi_flags=0x1003 ([UP]) ^C1669162909.737528: Signal 2 received - terminating 1669162909.737576: hostapd_interface_deinit_free(0x55d6960efa00) 1669162909.737592: hostapd_interface_deinit_free: num_bss=1 conf->num_bss=1 1669162909.737604: hostapd_interface_deinit(0x55d6960efa00) 1669162909.737621: wlan3: interface state ENABLED->DISABLED 1669162909.737639: hostapd_bss_deinit: deinit bss wlan3 1669162909.737672: wlan3: Deauthenticate all stations 1669162909.737693: nl80211: send_mlme - da=ff:ff:ff:ff:ff:ff noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0 no_encrypt=0 fc=0xc0 (WLAN_FC_STYPE_DEAUTH) nlmode=3 1669162909.737716: nl80211: send_mlme - Use bss->freq=2412 1669162909.737731: nl80211: send_mlme -> send_frame_cmd 1669162909.737747: nl80211: CMD_FRAME freq=2412 wait=0 no_cck=0 no_ack=0 offchanok=0 1669162909.737761: CMD_FRAME - hexdump(len=26): c0 00 00 00 ff ff ff ff ff ff 18 ef 3a 3d 8a c2 18 ef 3a 3d 8a c2 00 00 03 00 1669162909.737983: nl80211: Frame TX command accepted; cookie 0xc 1669162909.738014: wlan3: AP-DISABLED 1669162909.738065: hostapd_cleanup(hapd=0x55d6960f1190 (wlan3)) 1669162909.738088: wlan3: CTRL-EVENT-TERMINATING 1669162909.738108: hostapd_free_hapd_data(wlan3) 1669162909.738452: hostapd_interface_deinit_free: driver=0x55d694697980 drv_priv=0x55d6960f3630 -> hapd_deinit 1669162909.738484: nl80211: deinit ifname=wlan3 disabled_11b_rates=0 1669162909.738497: nl80211: Remove monitor interface: refcount=0 1669162909.738508: nl80211: Remove beacon (ifindex=17) 1669162909.782314: netlink: Operstate: ifindex=17 linkmode=0 (kernel-control), operstate=6 (IF_OPER_UP) 1669162909.782452: nl80211: Set mode ifindex 17 iftype 2 (STATION) 1669162909.782563: nl80211: Failed to set interface 17 to mode 2: -16 (Device or resource busy) 1669162909.782660: nl80211: Try mode change after setting interface down 1669162909.794503: nl80211: Set mode ifindex 17 iftype 2 (STATION) 1669162909.794870: nl80211: Mode change succeeded while interface is down 1669162909.838684: nl80211: Teardown AP(wlan3) - device_ap_sme=0 use_monitor=0 1669162909.838747: nl80211: Unsubscribe mgmt frames handle 0x8888dd5e1e87f309 (AP teardown) 1669162909.838848: hostapd_interface_free(0x55d6960efa00) 1669162909.838871: hostapd_interface_free: free hapd 0x55d6960f1190 1669162909.838900: hostapd_cleanup_iface(0x55d6960efa00) 1669162909.838914: hostapd_cleanup_iface_partial(0x55d6960efa00) 1669162909.838952: hostapd_cleanup_iface: free iface=0x55d6960efa00 $ iw list Wiphy phy3 wiphy index: 3 max # scan SSIDs: 4 max scan IEs length: 482 bytes max # sched scan SSIDs: 10 max # match sets: 16 Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Device supports AP-side u-APSD. Device supports T-DLS. Supported Ciphers: * WEP40 (00-0f-ac:1) * WEP104 (00-0f-ac:5) * TKIP (00-0f-ac:2) * CCMP-128 (00-0f-ac:4) * CCMP-256 (00-0f-ac:10) * GCMP-128 (00-0f-ac:8) * GCMP-256 (00-0f-ac:9) * CMAC (00-0f-ac:6) * CMAC-256 (00-0f-ac:13) * GMAC-128 (00-0f-ac:11) * GMAC-256 (00-0f-ac:12) Available Antennas: TX 0x3 RX 0x3 Configured Antennas: TX 0x3 RX 0x3 Supported interface modes: * managed * AP * AP/VLAN * monitor Band 1: Capabilities: 0x9ff RX LDPC HT20/HT40 SM Power Save disabled RX Greenfield RX HT20 SGI RX HT40 SGI TX STBC RX STBC 1-stream Max AMSDU length: 7935 bytes No DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: No restriction (0x00) HT TX/RX MCS rate indexes supported: 0-15 HE Iftypes: managed HE MAC Capabilities (0x08011a000040): +HTC HE Supported Trigger Frame MAC Padding Duration: 2 OM Control Maximum A-MPDU Length Exponent: 3 A-MSDU in A-MPDU HE PHY Capabilities: (0x2270ce120dc0b306423f00): HE40/2.4GHz 242 tone RUs/2.4GHz Device Class: 1 LDPC Coding in Payload HE SU PPDU with 1x HE-LTF and 0.8us GI NDP with 4x HE-LTF and 3.2us GI STBC Tx <= 80MHz STBC Rx <= 80MHz Full Bandwidth UL MU-MIMO Partial Bandwidth UL MU-MIMO DCM Max Constellation: 2 DCM Max Constellation Rx: 2 SU Beamformee Beamformee STS <= 80Mhz: 3 Ng = 16 SU Feedback Ng = 16 MU Feedback Codebook Size SU Feedback Codebook Size MU Feedback Triggered CQI Feedback Partial Bandwidth Extended Range PPE Threshold Present Power Boost Factor ar HE SU PPDU & HE PPDU 4x HE-LTF 0.8us GI 20MHz in 40MHz HE PPDU 2.4GHz DCM Max BW: 1 Longer Than 16HE SIG-B OFDM Symbols Non-Triggered CQI Feedback TX 1024-QAM RX 1024-QAM RX Full BW SU Using HE MU PPDU with Compression SIGB RX Full BW SU Using HE MU PPDU with Non-Compression SIGB HE RX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported HE TX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported PPE Threshold 0x39 0x1c 0xc7 0x71 0x1c 0x07 HE Iftypes: AP HE MAC Capabilities (0x00011a081044): +HTC HE Supported BSR OM Control Maximum A-MPDU Length Exponent: 3 BQR A-MSDU in A-MPDU OM Control UL MU Data Disable RX HE PHY Capabilities: (0x0220ce120000a000000c00): HE40/2.4GHz LDPC Coding in Payload NDP with 4x HE-LTF and 3.2us GI STBC Tx <= 80MHz STBC Rx <= 80MHz Full Bandwidth UL MU-MIMO Partial Bandwidth UL MU-MIMO DCM Max Constellation: 2 DCM Max Constellation Rx: 2 Partial Bandwidth Extended Range PPE Threshold Present TX 1024-QAM RX 1024-QAM HE RX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported HE TX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported PPE Threshold 0x39 0x1c 0xc7 0x71 0x1c 0x07 Bitrates (non-HT): * 1.0 Mbps (short preamble supported) * 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] (20.0 dBm) * 2417 MHz [2] (20.0 dBm) * 2422 MHz [3] (20.0 dBm) * 2427 MHz [4] (20.0 dBm) * 2432 MHz [5] (20.0 dBm) * 2437 MHz [6] (20.0 dBm) * 2442 MHz [7] (20.0 dBm) * 2447 MHz [8] (20.0 dBm) * 2452 MHz [9] (20.0 dBm) * 2457 MHz [10] (20.0 dBm) * 2462 MHz [11] (20.0 dBm) * 2467 MHz [12] (20.0 dBm) * 2472 MHz [13] (20.0 dBm) * 2484 MHz [14] (disabled) Band 2: Capabilities: 0x9ff RX LDPC HT20/HT40 SM Power Save disabled RX Greenfield RX HT20 SGI RX HT40 SGI TX STBC RX STBC 1-stream Max AMSDU length: 7935 bytes No DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: No restriction (0x00) HT TX/RX MCS rate indexes supported: 0-15 VHT Capabilities (0x339071b1): Max MPDU length: 7991 Supported Channel Width: neither 160 nor 80+80 RX LDPC short GI (80 MHz) TX STBC SU Beamformee MU Beamformee RX antenna pattern consistency TX antenna pattern consistency VHT RX MCS set: 1 streams: MCS 0-9 2 streams: MCS 0-9 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported VHT RX highest supported: 0 Mbps VHT TX MCS set: 1 streams: MCS 0-9 2 streams: MCS 0-9 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported VHT TX highest supported: 0 Mbps HE Iftypes: managed HE MAC Capabilities (0x08011a000040): +HTC HE Supported Trigger Frame MAC Padding Duration: 2 OM Control Maximum A-MPDU Length Exponent: 3 A-MSDU in A-MPDU HE PHY Capabilities: (0x4470ce120dc0b306423f00): HE40/HE80/5GHz 242 tone RUs/5GHz Device Class: 1 LDPC Coding in Payload HE SU PPDU with 1x HE-LTF and 0.8us GI NDP with 4x HE-LTF and 3.2us GI STBC Tx <= 80MHz STBC Rx <= 80MHz Full Bandwidth UL MU-MIMO Partial Bandwidth UL MU-MIMO DCM Max Constellation: 2 DCM Max Constellation Rx: 2 SU Beamformee Beamformee STS <= 80Mhz: 3 Ng = 16 SU Feedback Ng = 16 MU Feedback Codebook Size SU Feedback Codebook Size MU Feedback Triggered CQI Feedback Partial Bandwidth Extended Range PPE Threshold Present Power Boost Factor ar HE SU PPDU & HE PPDU 4x HE-LTF 0.8us GI 20MHz in 40MHz HE PPDU 2.4GHz DCM Max BW: 1 Longer Than 16HE SIG-B OFDM Symbols Non-Triggered CQI Feedback TX 1024-QAM RX 1024-QAM RX Full BW SU Using HE MU PPDU with Compression SIGB RX Full BW SU Using HE MU PPDU with Non-Compression SIGB HE RX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported HE TX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported PPE Threshold 0x39 0x1c 0xc7 0x71 0x1c 0x07 HE Iftypes: AP HE MAC Capabilities (0x00011a081044): +HTC HE Supported BSR OM Control Maximum A-MPDU Length Exponent: 3 BQR A-MSDU in A-MPDU OM Control UL MU Data Disable RX HE PHY Capabilities: (0x0420ce120000a000000c00): HE40/HE80/5GHz LDPC Coding in Payload NDP with 4x HE-LTF and 3.2us GI STBC Tx <= 80MHz STBC Rx <= 80MHz Full Bandwidth UL MU-MIMO Partial Bandwidth UL MU-MIMO DCM Max Constellation: 2 DCM Max Constellation Rx: 2 Partial Bandwidth Extended Range PPE Threshold Present TX 1024-QAM RX 1024-QAM HE RX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported HE TX MCS and NSS set <= 80 MHz 1 streams: MCS 0-11 2 streams: MCS 0-11 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported PPE Threshold 0x39 0x1c 0xc7 0x71 0x1c 0x07 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: * 5180 MHz [36] (23.0 dBm) * 5200 MHz [40] (23.0 dBm) * 5220 MHz [44] (23.0 dBm) * 5240 MHz [48] (23.0 dBm) * 5260 MHz [52] (20.0 dBm) (radar detection) * 5280 MHz [56] (20.0 dBm) (radar detection) * 5300 MHz [60] (20.0 dBm) (radar detection) * 5320 MHz [64] (20.0 dBm) (radar detection) * 5500 MHz [100] (26.0 dBm) (radar detection) * 5520 MHz [104] (26.0 dBm) (radar detection) * 5540 MHz [108] (26.0 dBm) (radar detection) * 5560 MHz [112] (26.0 dBm) (radar detection) * 5580 MHz [116] (26.0 dBm) (radar detection) * 5600 MHz [120] (26.0 dBm) (radar detection) * 5620 MHz [124] (26.0 dBm) (radar detection) * 5640 MHz [128] (26.0 dBm) (radar detection) * 5660 MHz [132] (26.0 dBm) (radar detection) * 5680 MHz [136] (26.0 dBm) (radar detection) * 5700 MHz [140] (26.0 dBm) (radar detection) * 5720 MHz [144] (13.0 dBm) (radar detection) * 5745 MHz [149] (13.0 dBm) * 5765 MHz [153] (13.0 dBm) * 5785 MHz [157] (13.0 dBm) * 5805 MHz [161] (13.0 dBm) * 5825 MHz [165] (13.0 dBm) * 5845 MHz [169] (13.0 dBm) * 5865 MHz [173] (13.0 dBm) Supported commands: * new_interface * set_interface * new_key * start_ap * new_station * new_mpath * set_mesh_config * set_bss * authenticate * associate * deauthenticate * disassociate * join_ibss * join_mesh * remain_on_channel * set_tx_bitrate_mask * frame * frame_wait_cancel * set_wiphy_netns * set_channel * tdls_mgmt * tdls_oper * 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 WoWLAN support: * wake up on disconnect * wake up on magic packet * wake up on pattern match, up to 1 patterns of 1-128 bytes, maximum packet offset 0 bytes * can do GTK rekeying * wake up on network detection, up to 10 match sets software interface modes (can always be added): * AP/VLAN * monitor valid interface combinations: * #{ managed } <= 4, #{ AP } <= 1, total <= 4, #channels <= 1, STA/AP BI must match 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 per-vif TX power setting Driver supports full state transitions for AP/GO clients Driver supports a userspace MPM Device supports active monitor (which will ACK incoming frames) Device supports configuring vdev MAC-addr on create. Device supports randomizing MAC-addr in scans. Device supports randomizing MAC-addr in sched scans. max # scan plans: 1 max scan plan interval: 65535 max scan plan iterations: 0 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 0xb0 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 Supported extended features: * [ RRM ]: RRM * [ SET_SCAN_DWELL ]: scan dwell setting * [ BEACON_RATE_LEGACY ]: legacy beacon rate setting * [ BEACON_RATE_HT ]: HT beacon rate setting * [ BEACON_RATE_VHT ]: VHT beacon rate setting * [ FILS_STA ]: STA FILS (Fast Initial Link Setup) * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211 * [ TXQS ]: FQ-CoDel-enabled intermediate TXQs * [ AIRTIME_FAIRNESS ]: airtime fairness scheduling * [ AQL ]: Airtime Queue Limits (AQL) * [ CONTROL_PORT_NO_PREAUTH ]: disable pre-auth over nl80211 control port support * [ SCAN_FREQ_KHZ ]: scan on kHz frequency support * [ CONTROL_PORT_OVER_NL80211_TX_STATUS ]: tx status for nl80211 control port support