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蓝牙未找到任何设备。20.04

tag-icon • tag-icon 20.04 bluetooth
蓝牙未找到任何设备。20.04

你好

我有 Ubuntu 20.04，我的蓝牙可以工作，但找不到任何设备，而且对其他设备也不可见。我已经安装了 blueman。是的，请不要给我这个网站上其他问题的链接，因为它们不起作用。（我已从 Windows 禁用蓝牙设备）并检查了 rf kill list，并从 bios 启用了蓝牙。

命令输出：-service bluetooth status

● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2021-01-21 11:18:56 IST; 2h 39min ago
       Docs: man:bluetoothd(8)
   Main PID: 5147 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 4514)
     Memory: 2.1M
     CGroup: /system.slice/bluetooth.service
             └─5147 /usr/lib/bluetooth/bluetoothd

Jan 21 11:18:56 Piyush-X55C bluetoothd[5147]: Bluetooth daemon 5.53
Jan 21 11:18:56 Piyush-X55C systemd[1]: Started Bluetooth service.
Jan 21 11:18:56 Piyush-X55C bluetoothd[5147]: Starting SDP server
Jan 21 11:18:56 Piyush-X55C bluetoothd[5147]: Bluetooth management interface 1.17 initialized
Jan 21 11:19:00 Piyush-X55C bluetoothd[5147]: Endpoint registered: sender=:1.66 path=/MediaEndpoint/A2DPSink/sbc
Jan 21 11:19:00 Piyush-X55C bluetoothd[5147]: Endpoint registered: sender=:1.66 path=/MediaEndpoint/A2DPSource/sbc
Jan 21 13:48:16 Piyush-X55C bluetoothd[5147]: Endpoint unregistered: sender=:1.66 path=/MediaEndpoint/A2DPSink/sbc
Jan 21 13:48:16 Piyush-X55C bluetoothd[5147]: Endpoint unregistered: sender=:1.66 path=/MediaEndpoint/A2DPSource/sbc
Jan 21 13:48:17 Piyush-X55C bluetoothd[5147]: Endpoint registered: sender=:1.155 path=/MediaEndpoint/A2DPSink/sbc
Jan 21 13:48:17 Piyush-X55C bluetoothd[5147]: Endpoint registered: sender=:1.155 path=/MediaEndpoint/A2DPSource/sbc

输出sudo btmgmt info：-

Index list with 1 item
hci0:   Primary controller
    addr A4:17:31:1D:65:54 version 4 manufacturer 91 class 0x000000
    supported settings: powered connectable fast-connectable discoverable bondable link-security ssp br/edr debug-keys 
    current settings: powered bondable ssp br/edr 
    name Piyush-X55C
    short name

输出：- sudo btmgmt find Unable to start discovery. status 0x0c (Not Supported)

当我尝试使用命令开始发现时：-bluetoothctl 输出是：-

Agent registered
[bluetooth]# scan on
[bluetooth]# discoverable on
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# scan on
Failed to start discovery: org.bluez.Error.InProgress
[bluetooth]# discoverable on
Changing discoverable on succeeded
Failed to set discoverable on: org.freedesktop.DBus.Error.NoReply
[bluetooth]#

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