可用网络在 Ubuntu 22.10、22.04 上停止显示 5GHz 网络

Question

我能够在 Ubuntu 22.04 上连接我家的 5GHz wifi（名称带有 _5G 后缀）。通过软件更新程序进行更新后，我的网络列表不再显示 5Ghz 网络。然后我将 Ubuntu 升级到 22.10，但没有帮助。我可以在手机上连接该网络。

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任何帮助表示赞赏！

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• sudo iw reg get回报
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global\ncountry 00: DFS-UNSET\n    (755 - 928 @ 2), (N/A, 20), (N/A), PASSIVE-SCAN\n    (2402 - 2472 @ 40), (N/A, 20), (N/A)\n    (2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN\n    (2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN\n    (5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN\n    (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN\n    (5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN\n    (5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN\n    (57240 - 63720 @ 2160), (N/A, 0), (N/A)\n\nphy#2\ncountry 99: DFS-UNSET\n    (2402 - 2482 @ 40), (6, 20), (N/A)\n    (2474 - 2494 @ 20), (6, 20), (N/A)\n    (5140 - 5360 @ 160), (6, 20), (N/A)\n    (5460 - 5860 @ 160), (6, 20), (N/A)\n

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• sudo dmesg | grep brcm回报
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[    5.533569] usbcore: registered new interface driver brcmfmac\n[    5.646689] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-pcie for chip BCM4356/2\n[    5.648555] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.LENOVO-20F6CTO1WW.bin failed with error -2\n[    5.652769] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.LENOVO-20F6CTO1WW.txt failed with error -2\n[    5.653284] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.txt failed with error -2\n[    6.066649] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-pcie for chip BCM4356/2\n[    6.072637] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4356/2 wl0: Aug 29 2019 02:05:27 version 7.35.180.197 (r722171 CY) FWID 01-4c8512f9\n[    6.441769] brcmfmac 0000:04:00.0 wlp4s0: renamed from wlan0\n[    6.443122] Bluetooth: hci0: BCM: 'brcm/BCM4356A2-0a5c-640e.hcd'\n[    6.443128] Bluetooth: hci0: BCM: 'brcm/BCM-0a5c-640e.hcd'\n

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• nmcli device wifi list回报
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IN-USE  BSSID              SSID                     MODE   CHAN  RATE        SIGNAL  BARS  SECURITY  \n        XXXXXXXXXXXXXXXXX  Flugmodus                Infra  1     130 Mbit/s  85      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86\xe2\x96\x88  WPA2      \n *      XXXXXXXXXXXXXXXXX  WLAN13402111             Infra  11    130 Mbit/s  80      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86_  WPA2      \n        XXXXXXXXXXXXXXXXX  UPC52EFAB5               Infra  1     130 Mbit/s  77      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86_  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  WLAN14536499             Infra  1     130 Mbit/s  64      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86_  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  ZTE_D3D0E5               Infra  11    270 Mbit/s  60      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86_  WPA2      \n        XXXXXXXXXXXXXXXXX  nugget                   Infra  1     270 Mbit/s  57      \xe2\x96\x82\xe2\x96\x84\xe2\x96\x86_  WPA2      \n        XXXXXXXXXXXXXXXXX  UPC45E1A3A               Infra  1     130 Mbit/s  52      \xe2\x96\x82\xe2\x96\x84__  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  Mariahilf                Infra  6     130 Mbit/s  50      \xe2\x96\x82\xe2\x96\x84__  WPA2      \n        XXXXXXXXXXXXXXXXX  UPCD3AF255               Infra  11    130 Mbit/s  49      \xe2\x96\x82\xe2\x96\x84__  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  WLAN11763610             Infra  11    130 Mbit/s  49      \xe2\x96\x82\xe2\x96\x84__  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  bongoverein aegidigasse  Infra  6     270 Mbit/s  44      \xe2\x96\x82\xe2\x96\x84__  WPA2      \n        XXXXXXXXXXXXXXXXX  UPC9426511               Infra  6     130 Mbit/s  42      \xe2\x96\x82\xe2\x96\x84__  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  Doenerbude               Infra  4     270 Mbit/s  40      \xe2\x96\x82\xe2\x96\x84__  WPA2      \n        XXXXXXXXXXXXXXXXX  --                       Infra  4     270 Mbit/s  37      \xe2\x96\x82\xe2\x96\x84__  WPA2      \n        XXXXXXXXXXXXXXXXX  Yallah                   Infra  8     130 Mbit/s  35      \xe2\x96\x82\xe2\x96\x84__  WPA2      \n        XXXXXXXXXXXXXXXXX  Innonet-8000             Infra  9     270 Mbit/s  32      \xe2\x96\x82\xe2\x96\x84__  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  UPC9369407               Infra  6     130 Mbit/s  29      \xe2\x96\x82___  WPA1 WPA2 \n        XXXXXXXXXXXXXXXXX  Drei_H288A_24G_96cF      Infra  9     130 Mbit/s  22      \xe2\x96\x82___  WPA2\n

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• 国家代码 AT 设置为/etc/default/crda

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• sudo iwlist scan没有列出5G网络。

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• -ThinkPad-X260:~$ sudo lshw -C network回报

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 \n      *-network                 \n           description: Wireless interface\n           product: BCM4356 802.11ac Wireless Network Adapter\n           vendor: Broadcom Inc. and subsidiaries\n           physical id: 0\n           bus info: pci@0000:04:00.0\n           logical name: wlp4s0\n           version: 02\n           serial: 48:e2:44:93:29:dc\n           width: 64 bits\n           clock: 33MHz\n           capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless\n           configuration: broadcast=yes driver=brcmfmac driverversion=7.35.180.197 firmware=01-4c8512f9 ip=192.168.0.52 latency=0 multicast=yes wireless=IEEE 802.11\n           resources: irq:130 memory:f1400000-f1407fff memory:f1000000-f13fffff\n      *-network\n           description: Ethernet interface\n           product: Ethernet Connection I219-V\n           vendor: Intel Corporation\n           physical id: 1f.6\n           bus info: pci@0000:00:1f.6\n           logical name: enp0s31f6\n           version: 21\n           serial: 50:7b:9d:eb:64:91\n           capacity: 1Gbit/s\n           width: 32 bits\n           clock: 33MHz\n           capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation\n           configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=5.19.0-32-generic firmware=0.13-3 latency=0 link=no multicast=yes port=twisted pair\n           resources: irq:126 memory:f1600000-f161ffff\n\n

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• iw list结果
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Wiphy phy0\n   wiphy index: 0\n   max # scan SSIDs: 10\n   max scan IEs length: 2048 bytes\n   max # sched scan SSIDs: 16\n   max # match sets: 16\n   Retry short limit: 7\n   Retry long limit: 4\n   Coverage class: 0 (up to 0m)\n   Device supports roaming.\n   Supported Ciphers:\n       * WEP40 (00-0f-ac:1)\n       * WEP104 (00-0f-ac:5)\n       * TKIP (00-0f-ac:2)\n       * CCMP-128 (00-0f-ac:4)\n       * CMAC (00-0f-ac:6)\n   Available Antennas: TX 0 RX 0\n   Supported interface modes:\n        * IBSS\n        * managed\n        * AP\n        * P2P-client\n        * P2P-GO\n        * P2P-device\n   Band 1:\n       Capabilities: 0x1022\n           HT20/HT40\n           Static SM Power Save\n           RX HT20 SGI\n           No RX STBC\n           Max AMSDU length: 3839 bytes\n           DSSS/CCK HT40\n       Maximum RX AMPDU length 65535 bytes (exponent: 0x003)\n       Minimum RX AMPDU time spacing: 16 usec (0x07)\n       HT TX/RX MCS rate indexes supported: 0-15\n       Bitrates (non-HT):\n           * 1.0 Mbps\n           * 2.0 Mbps (short preamble supported)\n           * 5.5 Mbps (short preamble supported)\n           * 11.0 Mbps (short preamble supported)\n           * 6.0 Mbps\n           * 9.0 Mbps\n           * 12.0 Mbps\n           * 18.0 Mbps\n           * 24.0 Mbps\n           * 36.0 Mbps\n           * 48.0 Mbps\n           * 54.0 Mbps\n       Frequencies:\n           * 2412 MHz [1] (20.0 dBm)\n           * 2417 MHz [2] (20.0 dBm)\n           * 2422 MHz [3] (20.0 dBm)\n           * 2427 MHz [4] (20.0 dBm)\n           * 2432 MHz [5] (20.0 dBm)\n           * 2437 MHz [6] (20.0 dBm)\n           * 2442 MHz [7] (20.0 dBm)\n           * 2447 MHz [8] (20.0 dBm)\n           * 2452 MHz [9] (20.0 dBm)\n           * 2457 MHz [10] (20.0 dBm)\n           * 2462 MHz [11] (20.0 dBm)\n           * 2467 MHz [12] (20.0 dBm)\n           * 2472 MHz [13] (20.0 dBm)\n           * 2484 MHz [14] (20.0 dBm)\n   Band 2:\n       Capabilities: 0x1062\n           HT20/HT40\n           Static SM Power Save\n           RX HT20 SGI\n           RX HT40 SGI\n           No RX STBC\n           Max AMSDU length: 3839 bytes\n           DSSS/CCK HT40\n       Maximum RX AMPDU length 65535 bytes (exponent: 0x003)\n       Minimum RX AMPDU time spacing: 16 usec (0x07)\n       HT TX/RX MCS rate indexes supported: 0-15\n       VHT Capabilities (0x0c015820):\n           Max MPDU length: 3895\n           Supported Channel Width: neither 160 nor 80+80\n           short GI (80 MHz)\n           SU Beamformer\n           SU Beamformee\n       VHT RX MCS set:\n           1 streams: MCS 0-9\n           2 streams: MCS 0-9\n           3 streams: not supported\n           4 streams: not supported\n           5 streams: not supported\n           6 streams: not supported\n           7 streams: not supported\n           8 streams: not supported\n       VHT RX highest supported: 0 Mbps\n       VHT TX MCS set:\n           1 streams: MCS 0-9\n           2 streams: MCS 0-9\n           3 streams: not supported\n           4 streams: not supported\n           5 streams: not supported\n           6 streams: not supported\n           7 streams: not supported\n           8 streams: not supported\n       VHT TX highest supported: 0 Mbps\n       VHT extended NSS: not supported\n       Bitrates (non-HT):\n           * 6.0 Mbps\n           * 9.0 Mbps\n           * 12.0 Mbps\n           * 18.0 Mbps\n           * 24.0 Mbps\n           * 36.0 Mbps\n           * 48.0 Mbps\n           * 54.0 Mbps\n       Frequencies:\n           * 5170 MHz [34] (20.0 dBm)\n           * 5180 MHz [36] (20.0 dBm)\n           * 5190 MHz [38] (20.0 dBm)\n           * 5200 MHz [40] (20.0 dBm)\n           * 5210 MHz [42] (20.0 dBm)\n           * 5220 MHz [44] (20.0 dBm)\n           * 5230 MHz [46] (20.0 dBm)\n           * 5240 MHz [48] (20.0 dBm)\n           * 5260 MHz [52] (20.0 dBm)\n           * 5280 MHz [56] (20.0 dBm)\n           * 5300 MHz [60] (20.0 dBm)\n           * 5320 MHz [64] (20.0 dBm)\n           * 5500 MHz [100] (20.0 dBm)\n           * 5520 MHz [104] (20.0 dBm)\n           * 5540 MHz [108] (20.0 dBm)\n           * 5560 MHz [112] (20.0 dBm)\n           * 5580 MHz [116] (20.0 dBm)\n           * 5600 MHz [120] (20.0 dBm)\n           * 5620 MHz [124] (20.0 dBm)\n           * 5640 MHz [128] (20.0 dBm)\n           * 5660 MHz [132] (20.0 dBm)\n           * 5680 MHz [136] (20.0 dBm)\n           * 5700 MHz [140] (20.0 dBm)\n           * 5720 MHz [144] (20.0 dBm)\n           * 5745 MHz [149] (20.0 dBm)\n           * 5765 MHz [153] (20.0 dBm)\n           * 5785 MHz [157] (20.0 dBm)\n           * 5805 MHz [161] (20.0 dBm)\n           * 5825 MHz [165] (20.0 dBm)\n   Supported commands:\n        * new_interface\n        * set_interface\n        * new_key\n        * start_ap\n        * join_ibss\n        * set_pmksa\n        * del_pmksa\n        * flush_pmksa\n        * remain_on_channel\n        * frame\n        * set_wiphy_netns\n        * set_channel\n        * start_sched_scan\n        * start_p2p_device\n        * connect\n        * disconnect\n        * crit_protocol_start\n        * crit_protocol_stop\n        * update_connect_params\n   WoWLAN support:\n        * wake up on disconnect\n        * wake up on magic packet\n        * wake up on pattern match, up to 8 patterns of 1-128 bytes,\n          maximum packet offset 1500 bytes\n        * can do GTK rekeying\n        * wake up on GTK rekey failure\n        * wake up on network detection, up to 16 match sets\n   software interface modes (can always be added):\n   valid interface combinations:\n        * #{ managed } <= 1, #{ P2P-device } <= 1, #{ P2P-client, P2P-GO } <= 1,\n          total <= 3, #channels <= 2\n        * #{ managed } <= 1, #{ AP } <= 1, #{ P2P-client } <= 1, #{ P2P-device } <= 1,\n          total <= 4, #channels <= 1\n   Device supports scan flush.\n   max # scan plans: 1\n   max scan plan interval: 508\n   max scan plan iterations: 0\n   Supported TX frame types:\n        * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0\n        * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0\n        * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0\n        * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0\n        * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0\n   Supported RX frame types:\n        * managed: 0x40 0xd0\n        * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0\n        * P2P-client: 0x40 0xd0\n        * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0\n        * P2P-device: 0x40 0xd0\n   Supported extended features:\n       * [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records\n       * [ DFS_OFFLOAD ]: DFS offload\n

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