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使用蓝牙 USB 适配器时出现问题

tag-icon • tag-icon 20.04 bluetooth blueman
使用蓝牙 USB 适配器时出现问题

我购买了一个蓝牙 USB，它在 Windows（双启动）中可以正常工作，但在我的 Ubuntu 中却不行。

$ sudo systemctl status bluetooth.service
● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Sat 2021-12-25 01:46:33 -03; 21h ago
       Docs: man:bluetoothd(8)
   Main PID: 719 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 38375)
     Memory: 1.5M
     CGroup: /system.slice/bluetooth.service
             └─719 /usr/lib/bluetooth/bluetoothd

dez 25 01:46:33 g-Z390-M systemd[1]: Starting Bluetooth service...
dez 25 01:46:33 g-Z390-M bluetoothd[719]: Bluetooth daemon 5.53
dez 25 01:46:33 g-Z390-M systemd[1]: Started Bluetooth service.
dez 25 01:46:33 g-Z390-M bluetoothd[719]: Starting SDP server
dez 25 01:46:33 g-Z390-M bluetoothd[719]: Bluetooth management interface 1.19 initialized

但当使用 blueman 时，我得到以下结果

$ blueman-manager 
blueman-manager version 2.1.2 starting
Failed to enable bluetooth
blueman-manager 22.59.46 ERROR    Manager:118 on_dbus_name_appeared: Default adapter not found, trying first available.
blueman-manager 22.59.46 ERROR    Manager:122 on_dbus_name_appeared: No adapter(s) found, exiting

我使用的是 Ubuntu 20.04.3 LTS，内核为 5.11.0-43-generic。以下内容适用

$ lsmod | grep -i blu
bluetooth             638976  12 btrtl,btintel,btbcm,bnep,btusb
ecdh_generic           16384  1 bluetoot

$ sudo rfkill list
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

$ lsusb
Bus 001 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

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