HI Lorenzo, yes, they are both running on channel 1, 2.412Mhz. Let me download the latest kernel and try today. I will get back to you with more information on that. Best regards, Chris On Fri, Jul 2, 2021 at 9:06 AM Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote: > > > Hi, > > > > Sorry for sending this twice but I got an email rejection notice as > > the original email had snippets of html. I am resending this as pure > > plain text. Original email continues below. > > > > I apologize for cold emailing you but I have been encountering some > > issues running a Netgear A6210 USB WiFi dongle with Ubuntu 18.04.05 > > with kernel v5.4. > > > > Recently, due to network issues, I tried to use this USB adapter to > > attempt to be both client to a WiFi and also act as an access point to > > a bunch of devices. > > Hi Christopher, > > Can you please confirm both ap and client are running on the same channel? > Can you please try an updated kernel? (5.4 is quite old) > > Regards, > Lorenzo > > > > > Running lsusb -t shows the following. > > /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/7p, 5000M > > |__ Port 3: Dev 2, If 0, Class=Vendor Specific Class, Driver=mt76x2u, 5000M > > |__ Port 4: Dev 3, If 0, Class=Video, Driver=uvcvideo, 5000M > > |__ Port 4: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 5000M > > |__ Port 4: Dev 3, If 1, Class=Video, Driver=uvcvideo, 5000M > > |__ Port 4: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 5000M > > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 480M > > |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M > > |__ Port 1: Dev 4, If 0, Class=Human Interface Device, > > Driver=usbhid, 12M > > |__ Port 1: Dev 4, If 1, Class=Human Interface Device, > > Driver=usbhid, 12M > > |__ Port 3: Dev 5, If 0, Class=Human Interface Device, > > Driver=usbhid, 1.5M > > |__ Port 3: Dev 5, If 1, Class=Human Interface Device, > > Driver=usbhid, 1.5M > > |__ Port 4: Dev 6, If 2, Class=Audio, Driver=snd-usb-audio, 12M > > |__ Port 4: Dev 6, If 0, Class=Audio, Driver=snd-usb-audio, 12M > > |__ Port 4: Dev 6, If 3, Class=Human Interface Device, > > Driver=usbhid, 12M > > |__ Port 4: Dev 6, If 1, Class=Audio, Driver=snd-usb-audio, 12M > > |__ Port 2: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 12M > > |__ Port 2: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 12M > > |__ Port 2: Dev 2, If 3, Class=Human Interface Device, Driver=usbhid, 12M > > |__ Port 2: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 12M > > > > The iw list of the Netgear A6210 USB adapter shows the following. > > > > Wiphy phy0 > > max # scan SSIDs: 4 > > max scan IEs length: 2243 bytes > > max # sched scan SSIDs: 0 > > max # match sets: 0 > > 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 RSN-IBSS. > > 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: > > * IBSS > > * managed > > * AP > > * AP/VLAN > > * monitor > > * mesh point > > Band 1: > > Capabilities: 0x1ff > > 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: 3839 bytes > > No DSSS/CCK HT40 > > Maximum RX AMPDU length 65535 bytes (exponent: 0x003) > > Minimum RX AMPDU time spacing: 4 usec (0x05) > > HT TX/RX MCS rate indexes supported: 0-15 > > 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] (18.0 dBm) > > * 2417 MHz [2] (18.0 dBm) > > * 2422 MHz [3] (18.0 dBm) > > * 2427 MHz [4] (18.0 dBm) > > * 2432 MHz [5] (18.0 dBm) > > * 2437 MHz [6] (18.0 dBm) > > * 2442 MHz [7] (18.0 dBm) > > * 2447 MHz [8] (18.0 dBm) > > * 2452 MHz [9] (18.0 dBm) > > * 2457 MHz [10] (18.0 dBm) > > * 2462 MHz [11] (18.0 dBm) > > * 2467 MHz [12] (18.0 dBm) (no IR) > > * 2472 MHz [13] (18.0 dBm) (no IR) > > * 2484 MHz [14] (18.0 dBm) (no IR) > > Band 2: > > Capabilities: 0x1ff > > 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: 3839 bytes > > No DSSS/CCK HT40 > > Maximum RX AMPDU length 65535 bytes (exponent: 0x003) > > Minimum RX AMPDU time spacing: 4 usec (0x05) > > HT TX/RX MCS rate indexes supported: 0-15 > > VHT Capabilities (0x318001b0): > > Max MPDU length: 3895 > > Supported Channel Width: neither 160 nor 80+80 > > RX LDPC > > short GI (80 MHz) > > TX STBC > > 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 > > 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] (18.0 dBm) (no IR) > > * 5200 MHz [40] (18.0 dBm) (no IR) > > * 5220 MHz [44] (18.0 dBm) (no IR) > > * 5240 MHz [48] (18.0 dBm) (no IR) > > * 5260 MHz [52] (18.0 dBm) (no IR, radar detection) > > * 5280 MHz [56] (18.0 dBm) (no IR, radar detection) > > * 5300 MHz [60] (18.0 dBm) (no IR, radar detection) > > * 5320 MHz [64] (18.0 dBm) (no IR, radar detection) > > * 5500 MHz [100] (18.0 dBm) (no IR, radar detection) > > * 5520 MHz [104] (18.0 dBm) (no IR, radar detection) > > * 5540 MHz [108] (18.0 dBm) (no IR, radar detection) > > * 5560 MHz [112] (18.0 dBm) (no IR, radar detection) > > * 5580 MHz [116] (18.0 dBm) (no IR, radar detection) > > * 5600 MHz [120] (18.0 dBm) (no IR, radar detection) > > * 5620 MHz [124] (18.0 dBm) (no IR, radar detection) > > * 5640 MHz [128] (18.0 dBm) (no IR, radar detection) > > * 5660 MHz [132] (18.0 dBm) (no IR, radar detection) > > * 5680 MHz [136] (18.0 dBm) (no IR, radar detection) > > * 5700 MHz [140] (18.0 dBm) (no IR, radar detection) > > * 5745 MHz [149] (18.0 dBm) (no IR) > > * 5765 MHz [153] (18.0 dBm) (no IR) > > * 5785 MHz [157] (18.0 dBm) (no IR) > > * 5805 MHz [161] (18.0 dBm) (no IR) > > * 5825 MHz [165] (18.0 dBm) (no IR) > > 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 > > * set_tx_bitrate_mask > > * frame > > * frame_wait_cancel > > * set_wiphy_netns > > * set_channel > > * set_wds_peer > > * probe_client > > * set_noack_map > > * register_beacons > > * start_p2p_device > > * set_mcast_rate > > * connect > > * disconnect > > * 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 > > software interface modes (can always be added): > > * AP/VLAN > > * monitor > > valid interface combinations: > > * #{ IBSS } <= 1, #{ managed, AP, mesh point } <= 2, > > total <= 2, #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 low priority scan. > > 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 active monitor (which will ACK incoming frames) > > Device supports configuring vdev MAC-addr on create. > > Device supports VHT-IBSS. > > > > Looking at the lines > > valid interface combinations: > > * #{ IBSS } <= 1, #{ managed, AP, mesh point } <= 2, > > total <= 2, #channels <= 1, STA/AP BI must match > > > > I assumed it should be able to do what I wanted, since I was able to > > do this on my laptop with a builtin Intel WiFi adapter before. > > > > Creating the 2 interfaces for the Netgear A6210 was not a problem. > > I simply did this. > > iw phy phy0 interface add sta0 type managed > > iw phy phy0 interface add ap0 type __ap > > > > wpa_supplicant.conf is very generic. > > > > # Giving configuration update rights to wpa_cli > > ctrl_interface=/run/wpa_supplicant > > ctrl_interface_group=wifi > > update_config=1 > > > > # AP scanning > > ap_scan=1 > > > > # ISO/IEC alpha2 country code in which the device is operating > > country=GB > > > > # network section generated by wpa_passphrase > > network={ > > ssid="Test" > > psk="testtest" > > } > > > > So with the above configurations, I then attempt to connect with the 2 commands. > > > > wpa_supplicant -i sta0 -c ./test.conf > > create_ap ap0 sta0 internal password > > > > Everything looks like it is fine. The connection to the Test WiFi > > network is fine and I can connect to the internet. The create_ap > > command works fine, it shows that the AP is created and enabled. > > > > wpa_supplicant output > > > > # wpa_supplicant -i sta0 -c ./example.conf > > Successfully initialized wpa_supplicant > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: Trying to associate with fc:ec:da:8a:84:de (SSID='Test' freq=2412 MHz) > > sta0: Associated with fc:ec:da:8a:84:de > > sta0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0 > > sta0: WPA: Key negotiation completed with fc:ec:da:8a:84:de > > [PTK=CCMP GTK=CCMP] > > sta0: CTRL-EVENT-CONNECTED - Connection to fc:ec:da:8a:84:de > > completed [id=0 id_str=] > > > > create_ap output > > > > # create_ap ap0 sta0 internal password Config dir: > > /tmp/create_ap.ap0.conf.EmWaK62U > > PID: 5027 > > command failed: Operation not supported (-95) > > Creating a virtual WiFi interface... ap1 created. > > Sharing Internet using method: nat > > hostapd command-line interface: hostapd_cli -p > > /tmp/create_ap.ap0.conf.EmWaK62U/hostapd_ctrl > > Configuration file: /tmp/create_ap.ap0.conf.EmWaK62U/hostapd.conf > > Using interface ap1 with hwaddr 78:d2:94:4a:e0:4c and ssid "internal" > > ap1: interface state UNINITIALIZED->ENABLED > > ap1: AP-ENABLED > > > > So I then try to connect my devices onto "internal" and none of my > > devices can connect. > > > > If I did the reverse, which is to create_ap first, then connect to the > > wpa_supplicant, the following happens. > > > > create_ap > > > > # create_ap ap0 sta0 internal password Config dir: > > /tmp/create_ap.ap0.conf.BWI2H1Dx > > PID: 8258 > > command failed: Operation not supported (-95) > > Creating a virtual WiFi interface... ap1 created. > > Sharing Internet using method: nat > > hostapd command-line interface: hostapd_cli -p > > /tmp/create_ap.ap0.conf.BWI2H1Dx/hostapd_ctrl > > Configuration file: /tmp/create_ap.ap0.conf.BWI2H1Dx/hostapd.conf > > Using interface ap1 with hwaddr 78:d2:94:4a:e0:4c and ssid "internal" > > ap1: interface state UNINITIALIZED->ENABLED > > ap1: AP-ENABLED > > ap1: STA 98:01:a7:48:0f:d8 IEEE 802.11: authenticated > > ap1: STA 98:01:a7:48:0f:d8 IEEE 802.11: associated (aid 1) > > ap1: AP-STA-CONNECTED 98:01:a7:48:0f:d8 > > ap1: STA 98:01:a7:48:0f:d8 RADIUS: starting accounting session > > 57A210FFA9AEB7DF > > ap1: STA 98:01:a7:48:0f:d8 WPA: pairwise key handshake completed (RSN) > > > > As you can see, create_ap not only is created, but I manage to connect > > a tablet onto the access point. > > If I now try to run wpa_supplicant, this now happens. > > > > # wpa_supplicant -i sta0 -c ./example.conf > > Successfully initialized wpa_supplicant > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="Test" > > auth_failures=1 duration=10 reason=CONN_FAILED > > sta0: CTRL-EVENT-SSID-REENABLED id=0 ssid="Test" > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="Test" > > auth_failures=2 duration=23 reason=CONN_FAILED > > sta0: CTRL-EVENT-SSID-REENABLED id=0 ssid="Test" > > sta0: SME: Trying to authenticate with fc:ec:da:8a:84:de > > (SSID='Test' freq=2412 MHz) > > sta0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="Test" > > auth_failures=3 duration=46 reason=CONN_FAILED > > > > This will go on forever never being able to authenticate. > > > > Furthermore, there is a case where I can crash the driver. > > To do that, what I do is I run wpa_supplicant first. Immediately after > > I see it has initialized wpa_supplicant and is trying to authenticate, > > I immediately run create_ap on another terminal window. Create_ap will > > finish first usually and be able to start the ap. But the wireless > > network will not be running. Checking dmesg will show this. > > > > [ 1692.699658] wpa_supplicant D 0 2613 2612 0x00004000 > > [ 1692.699664] Call Trace: > > [ 1692.699673] __schedule+0x292/0x710 > > [ 1692.699681] ? work_busy+0x90/0x90 > > [ 1692.699686] schedule+0x33/0xa0 > > [ 1692.699693] schedule_timeout+0x1d3/0x320 > > [ 1692.699700] ? ttwu_do_activate+0x5a/0x70 > > [ 1692.699707] ? work_busy+0x90/0x90 > > [ 1692.699713] wait_for_completion+0xba/0x140 > > [ 1692.699718] ? wake_up_q+0x80/0x80 > > [ 1692.699726] __flush_work+0x18a/0x1c0 > > [ 1692.699734] ? worker_detach_from_pool+0xb0/0xb0 > > [ 1692.699740] __cancel_work_timer+0x136/0x1b0 > > [ 1692.699746] ? schedule_preempt_disabled+0xe/0x10 > > [ 1692.699754] ? hrtimer_try_to_cancel+0x2a/0x110 > > [ 1692.699760] cancel_work_sync+0x10/0x20 > > [ 1692.699769] mt76x02u_stop_pre_tbtt_timer+0x2a/0x40 [mt76x02_usb] > > [ 1692.699777] mt76x02u_pre_tbtt_enable+0x23/0x40 [mt76x02_usb] > > [ 1692.699791] mt76x02_mac_set_beacon_enable+0x33/0x2c0 [mt76x02_lib] > > [ 1692.699804] mt76x02_bss_info_changed+0x107/0x110 [mt76x02_lib] > > [ 1692.699872] ieee80211_bss_info_change_notify+0xab/0x190 [mac80211] > > [ 1692.699936] ieee80211_offchannel_stop_vifs+0x175/0x1b0 [mac80211] > > [ 1692.699998] __ieee80211_start_scan+0x346/0x750 [mac80211] > > [ 1692.700061] ieee80211_request_scan+0x30/0x50 [mac80211] > > [ 1692.700129] ieee80211_scan+0x69/0x90 [mac80211] > > [ 1692.700204] nl80211_trigger_scan+0x5cd/0x740 [cfg80211] > > [ 1692.700215] genl_family_rcv_msg+0x21c/0x490 > > [ 1692.700224] ? free_one_page+0xbc/0x480 > > [ 1692.700233] genl_rcv_msg+0x4c/0x90 > > [ 1692.700239] ? genl_family_rcv_msg+0x490/0x490 > > [ 1692.700247] netlink_rcv_skb+0x51/0x120 > > [ 1692.700254] genl_rcv+0x28/0x40 > > [ 1692.700260] netlink_unicast+0x1a4/0x250 > > [ 1692.700268] netlink_sendmsg+0x2eb/0x3f0 > > [ 1692.700277] sock_sendmsg+0x63/0x70 > > [ 1692.700283] ____sys_sendmsg+0x200/0x280 > > [ 1692.700291] ___sys_sendmsg+0x88/0xd0 > > [ 1692.700297] ? sock_do_ioctl+0x4d/0x150 > > [ 1692.700304] ? __check_object_size+0x4d/0x1b0 > > [ 1692.700310] ? sock_ioctl+0x34f/0x3c0 > > [ 1692.700317] ? __sys_recvfrom+0xe9/0x160 > > [ 1692.700325] __sys_sendmsg+0x63/0xa0 > > [ 1692.700330] ? __sys_sendmsg+0x63/0xa0 > > [ 1692.700339] __x64_sys_sendmsg+0x1f/0x30 > > [ 1692.700347] do_syscall_64+0x57/0x190 > > [ 1692.700355] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > [ 1692.700362] RIP: 0033:0x7f7020b67b94 > > [ 1692.700377] Code: Bad RIP value. > > [ 1692.700382] RSP: 002b:00007ffc2f22d978 EFLAGS: 00000246 > > ORIG_RAX: 000000000000002e > > [ 1692.700389] RAX: ffffffffffffffda RBX: 000055f6ab3c29f0 RCX: > > 00007f7020b67b94 > > [ 1692.700393] RDX: 0000000000000000 RSI: 00007ffc2f22d9b0 RDI: > > 0000000000000005 > > [ 1692.700398] RBP: 000055f6ab411700 R08: 0000000000000000 R09: > > 0000000000000000 > > [ 1692.700402] R10: 000055f6ab3c0010 R11: 0000000000000246 R12: > > 000055f6ab3c2900 > > [ 1692.700406] R13: 00007ffc2f22d9b0 R14: 0000000000000000 R15: > > 000055f6ab3c2d48 > > > > So I'm sort of arriving at a conclusion that for some reason, this > > Netgear A6210 is not able to create both an access point and connect > > to a WiFi network at the same time. Yet iw list suggests that the > > driver can. Is there something I'm misunderstanding? > > > > Or am I doing something incorrectly? If I am, please do point it out. > > > > Lastly, if there is any information missing and you need, please feel > > free to ask and I will do my best to provide it, or reproduce the > > issue and provide the information you need. > > > > > > Best regards, > > Chris > > > > ps. Apologies for resending this. I got a rejection notice for one of > > the recipients because it contained some html.