my machine is having an identical looping scan failure messages as did the submitter after recent update.
worked: 2.5-2+v2.4-3+b1 broken: 2.6-2 device: 03:00.0 Network controller: Broadcom Limited BCM4360 802.11ac Wireless Network Adapter (rev 03) driver: Broadcom BCM43a0 802.11 Hybrid Wireless Controller 6.30.223.271 (r587334) ifupdown: 0.8.16 broadcom-sta-dkms: 6.30.223.271-5 /etc/network/interfaces.d/wlan0-supplicant: iface wlan0 inet dhcp wpa-driver nl80211 wpa-conf /etc/wifirc wpa-debug-level 3 /etc/wifirc: ap_scan=1 network={ ssid="myssid" psk="mypassword" } ... notes: - computer is a mbpr 11,1 - rfkill shows as allowed - tried rebuilding dkms, does not work - tried reloading wl.ko, does not work - reboot after downgrade wasn't needed, worked right away - not using systemd or NetworkManager (not installed) - no driver backtraces exist in my syslogs - new wpasupplicant *does* work ok with a usb rtl8187 EOM (syslog below) : wpa_supplicant v2.6 : random: Trying to read entropy from /dev/random : Successfully initialized wpa_supplicant : Initializing interface 'wlan0' conf '/etc/wifirc' driver 'nl80211' ctrl_interface 'N/A' bridge 'N/A' : Configuration file '/etc/wifirc' -> '/etc/wifirc' : Reading configuration file '/etc/wifirc' : update_config=1 : ap_scan=1 : ctrl_interface='DIR=/var/run/wpa_supplicant' : Line: 17 - start of a new network block : priority=5 (0x5) : PSK (from passphrase) - hexdump(len=32): [REMOVED] : Priority group 5 : id=0 ssid='myssid' : 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:6 : nl80211: interface wlan0 in phy phy0 : nl80211: Set mode ifindex 3 iftype 2 (STATION) : nl80211: Subscribe to mgmt frames with non-AP handle 0x5573e8060fe0 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=040a : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 04 0a : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=040b : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 04 0b : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=040c : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 04 0c : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=040d : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 04 0d : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=090a : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 09 0a : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=090b : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 09 0b : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=090c : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 09 0c : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=090d : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 09 0d : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0409506f9a09 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=6): 04 09 50 6f 9a 09 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=7f506f9a09 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=5): 7f 50 6f 9a 09 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0801 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 08 01 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=06 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=1): 06 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0a07 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 0a 07 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0a11 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 0a 11 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=1101 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 11 01 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=1102 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 11 02 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0505 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 05 05 : nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x5573e8060fe0 match=0500 : nl80211: Register frame command failed (type=208): ret=-95 (Operation not supported) : nl80211: Register frame match - hexdump(len=2): 05 00 : nl80211: Failed to register Action frame processing - ignore for now : rfkill: initial event: idx=2 type=1 op=0 soft=0 hard=0 : netlink: Operstate: ifindex=3 linkmode=1 (userspace-control), operstate=5 (IF_OPER_DORMANT) : Add interface wlan0 to a new radio phy0 : nl80211: Regulatory information - country=00 : nl80211: 2402-2472 @ 40 MHz 20 mBm : nl80211: 2457-2482 @ 20 MHz 20 mBm (no IR) : nl80211: 2474-2494 @ 20 MHz 20 mBm (no OFDM) (no IR) : nl80211: 5170-5250 @ 80 MHz 20 mBm (no IR) : nl80211: 5250-5330 @ 80 MHz 20 mBm (DFS) (no IR) : nl80211: 5490-5730 @ 160 MHz 20 mBm (DFS) (no IR) : nl80211: 5735-5835 @ 80 MHz 20 mBm (no IR) : nl80211: 57240-63720 @ 2160 MHz 0 mBm : nl80211: Added 802.11b mode based on 802.11g information : wlan0: Own MAC address: 3c:15:c2:aa:bb:cc : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=0 set_tx=0 seq_len=0 key_len=0 : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=1 set_tx=0 seq_len=0 key_len=0 : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=2 set_tx=0 seq_len=0 key_len=0 : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=3 set_tx=0 seq_len=0 key_len=0 : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=4 set_tx=0 seq_len=0 key_len=0 : wpa_driver_nl80211_set_key: ifindex=3 (wlan0) alg=0 addr=(nil) key_idx=5 set_tx=0 seq_len=0 key_len=0 : wlan0: RSN: flushing PMKID list in the driver : nl80211: Flush PMKIDs : wlan0: Setting scan request: 0.100000 sec : TDLS: TDLS operation not supported by driver : TDLS: Driver uses internal link setup : TDLS: Driver does not support TDLS channel switching : wlan0: WPS: UUID based on MAC address: 211e8a77-c908-5644-a5b3-e8ec52bbe890 : ENGINE: Loading dynamic engine : ENGINE: Loading dynamic engine : EAPOL: SUPP_PAE entering state DISCONNECTED : EAPOL: Supplicant port status: Unauthorized : nl80211: Skip set_supp_port(unauthorized) while not associated : EAPOL: KEY_RX entering state NO_KEY_RECEIVE : EAPOL: SUPP_BE entering state INITIALIZE : EAP: EAP entering state DISABLED : wlan0: Added interface wlan0 : wlan0: State: DISCONNECTED -> DISCONNECTED : nl80211: Set wlan0 operstate 0->0 (DORMANT) : netlink: Operstate: ifindex=3 linkmode=-1 (no change), operstate=5 (IF_OPER_DORMANT) : Daemonize.. : random: Got 20/20 bytes from /dev/random : RTM_NEWLINK: ifi_index=3 ifname=wlan0 operstate=6 linkmode=0 ifi_family=0 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP]) : RTM_NEWLINK: ifi_index=3 ifname=wlan0 operstate=5 linkmode=0 ifi_family=0 ifi_flags=0x11003 ([UP][LOWER_UP]) : RTM_NEWLINK: ifi_index=3 ifname=wlan0 operstate=5 linkmode=1 ifi_family=0 ifi_flags=0x11003 ([UP][LOWER_UP]) : wlan0: State: DISCONNECTED -> SCANNING : wlan0: Starting AP scan for wildcard SSID : wlan0: Add radio work 'scan'@0x5573e8083620 : wlan0: First radio work item in the queue - schedule start immediately : wlan0: Starting radio work 'scan'@0x5573e8083620 after 0.000008 second wait : wlan0: nl80211: scan request : nl80211: Scan extra IEs - hexdump(len=6): 7f 04 00 00 0a 02 : nl80211: Scan trigger failed: ret=-22 (Invalid argument) : wlan0: State: SCANNING -> DISCONNECTED : nl80211: Set wlan0 operstate 0->0 (DORMANT) : netlink: Operstate: ifindex=3 linkmode=-1 (no change), operstate=5 (IF_OPER_DORMANT) : wlan0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1 : wlan0: Radio work 'scan'@0x5573e8083620 done in 0.000088 seconds : wlan0: radio_work_free('scan'@0x5573e8083620: num_active_works --> 0 : wlan0: Setting scan request: 1.000000 sec : EAPOL: disable timer tick : wlan0: State: DISCONNECTED -> SCANNING : wlan0: Starting AP scan for wildcard SSID : wlan0: Add radio work 'scan'@0x5573e8083620 : wlan0: First radio work item in the queue - schedule start immediately : wlan0: Starting radio work 'scan'@0x5573e8083620 after 0.000016 second wait : wlan0: nl80211: scan request : nl80211: Scan extra IEs - hexdump(len=6): 7f 04 00 00 0a 02 : nl80211: Scan trigger failed: ret=-22 (Invalid argument) : wlan0: State: SCANNING -> DISCONNECTED : nl80211: Set wlan0 operstate 0->0 (DORMANT) : netlink: Operstate: ifindex=3 linkmode=-1 (no change), operstate=5 (IF_OPER_DORMANT) : wlan0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1 : wlan0: Radio work 'scan'@0x5573e8083620 done in 0.000089 seconds : wlan0: radio_work_free('scan'@0x5573e8083620: num_active_works --> 0 : wlan0: Setting scan request: 1.000000 sec : wlan0: State: DISCONNECTED -> SCANNING : wlan0: Starting AP scan for wildcard SSID : wlan0: Add radio work 'scan'@0x5573e8083620 : wlan0: First radio work item in the queue - schedule start immediately : wlan0: Starting radio work 'scan'@0x5573e8083620 after 0.000024 second wait : wlan0: nl80211: scan request : nl80211: Scan extra IEs - hexdump(len=6): 7f 04 00 00 0a 02 : nl80211: Scan trigger failed: ret=-22 (Invalid argument) : wlan0: State: SCANNING -> DISCONNECTED : nl80211: Set wlan0 operstate 0->0 (DORMANT) : netlink: Operstate: ifindex=3 linkmode=-1 (no change), operstate=5 (IF_OPER_DORMANT) : wlan0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1 : wlan0: Radio work 'scan'@0x5573e8083620 done in 0.000120 seconds : wlan0: radio_work_free('scan'@0x5573e8083620: num_active_works --> 0 : wlan0: Setting scan request: 1.000000 sec : wlan0: State: DISCONNECTED -> SCANNING : wlan0: Starting AP scan for wildcard SSID : wlan0: Add radio work 'scan'@0x5573e8083620 : wlan0: First radio work item in the queue - schedule start immediately : wlan0: Starting radio work 'scan'@0x5573e8083620 after 0.000029 second wait : wlan0: nl80211: scan request : nl80211: Scan extra IEs - hexdump(len=6): 7f 04 00 00 0a 02 : nl80211: Scan trigger failed: ret=-22 (Invalid argument) : wlan0: State: SCANNING -> DISCONNECTED : nl80211: Set wlan0 operstate 0->0 (DORMANT) : netlink: Operstate: ifindex=3 linkmode=-1 (no change), operstate=5 (IF_OPER_DORMANT) : wlan0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1 ...