Here's output from the failed system: $sudo iw phy phy0 info Wiphy phy0 max # scan SSIDs: 10 max scan IEs length: 2048 bytes Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Device supports roaming. Supported Ciphers: * WEP40 (00-0f-ac:1) * WEP104 (00-0f-ac:5) * TKIP (00-0f-ac:2) * CCMP (00-0f-ac:4) * CMAC (00-0f-ac:6) Available Antennas: TX 0 RX 0 Supported interface modes: * IBSS * managed * AP * P2P-client * P2P-GO * P2P-device Band 1: Capabilities: 0x1062 HT20/HT40 Static SM Power Save RX HT20 SGI RX HT40 SGI No RX STBC Max AMSDU length: 3839 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 16 usec (0x07) HT TX/RX MCS rate indexes supported: 0-7 Bitrates (non-HT): * 1.0 Mbps * 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: 0x1062 HT20/HT40 Static SM Power Save RX HT20 SGI RX HT40 SGI No RX STBC Max AMSDU length: 3839 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 16 usec (0x07) HT TX/RX MCS rate indexes supported: 0-7 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: * 5170 MHz [34] (disabled) * 5180 MHz [36] (17.0 dBm) * 5190 MHz [38] (disabled) * 5200 MHz [40] (17.0 dBm) * 5210 MHz [42] (disabled) * 5220 MHz [44] (17.0 dBm) * 5230 MHz [46] (disabled) * 5240 MHz [48] (17.0 dBm) * 5260 MHz [52] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5280 MHz [56] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5300 MHz [60] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5320 MHz [64] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5500 MHz [100] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5520 MHz [104] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5540 MHz [108] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5560 MHz [112] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5580 MHz [116] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5600 MHz [120] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5620 MHz [124] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5640 MHz [128] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5660 MHz [132] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5680 MHz [136] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5700 MHz [140] (20.0 dBm) (no IR, radar detection) DFS state: usable (for 66688 sec) DFS CAC time: 60000 ms * 5720 MHz [144] (disabled) * 5745 MHz [149] (20.0 dBm) * 5765 MHz [153] (20.0 dBm) * 5785 MHz [157] (20.0 dBm) * 5805 MHz [161] (20.0 dBm) * 5825 MHz [165] (20.0 dBm) Supported commands: * new_interface * set_interface * new_key * start_ap * join_ibss * set_pmksa * del_pmksa * flush_pmksa * remain_on_channel * frame * set_channel * start_sched_scan * start_p2p_device * crit_protocol_start * crit_protocol_stop * connect * disconnect Supported TX frame types: * managed: 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: * managed: 0x40 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): valid interface combinations: * #{ managed } <= 1, #{ P2P-device } <= 1, #{ P2P-client, P2P-GO } <= 1, total <= 3, #channels <= 2 * #{ managed } <= 1, #{ AP } <= 1, #{ P2P-client } <= 1, #{ P2P-device } <= 1, total <= 4, #channels <= 1 * #{ AP } <= 4, total <= 4, #channels <= 1, STA/AP BI must match Device supports scan flush.