Comment 1 for bug 1744863

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.