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直到我这样做，蓝牙才会打开

tag-icon • tag-icon 22.04 bluetooth
直到我这样做，蓝牙才会打开

使用此处显示的开关后，我的蓝牙就停止打开了，可能是在我的 Ubuntu 22.04 系统安装更新后。

在此处输入图片描述

让它再次运行的唯一方法是运行以下命令：

sudo rmmod btusb
sleep 1
sudo modprobe btusb

根本问题是什么？有真正的解决办法吗？否则每次重启机器时我都必须运行这些命令。

启用蓝牙时出现问题的某些系统状态

$ sudo dmesg | grep -i bluetooth
[    4.487740] Bluetooth: Core ver 2.22
[    4.487800] NET: Registered PF_BLUETOOTH protocol family
[    4.487802] Bluetooth: HCI device and connection manager initialized
[    4.487816] Bluetooth: HCI socket layer initialized
[    4.487819] Bluetooth: L2CAP socket layer initialized
[    4.487827] Bluetooth: SCO socket layer initialized
[    6.628034] Bluetooth: hci0: Reading Intel version command failed (-110)
[   10.809354] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   10.809357] Bluetooth: BNEP filters: protocol multicast
[   10.809359] Bluetooth: BNEP socket layer initialized

$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Sat 2023-08-05 17:15:01 EDT; 2min 54s ago
       Docs: man:bluetoothd(8)
   Main PID: 51746 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 154392)
     Memory: 688.0K
        CPU: 78ms
     CGroup: /system.slice/bluetooth.service
             └─51746 /usr/lib/bluetooth/bluetoothd

Aug 05 17:15:01 z-pc systemd[1]: Starting Bluetooth service...
Aug 05 17:15:01 z-pc bluetoothd[51746]: Bluetooth daemon 5.64
Aug 05 17:15:01 z-pc systemd[1]: Started Bluetooth service.
Aug 05 17:15:01 z-pc bluetoothd[51746]: Starting SDP server
Aug 05 17:15:01 z-pc bluetoothd[51746]: Bluetooth management interface 1.22 initialized

$ sudo rfkill 
ID TYPE      DEVICE      SOFT      HARD
 0 bluetooth hci0   unblocked unblocked
 1 wlan      phy0   unblocked unblocked

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