信息

昨天我的蓝牙工作正常，但是当我用 更新所有软件包时yay，我的蓝牙无法连接。今天，我跑了：

sudo pacman -Syu
yay -Syu

现在我的蓝牙无法连接。

当我打开bluetoothctl时，它给了我No default controller available。

另外，您能否向我解释一下您希望我运行的所有命令，因为我对 Arch Linux 或 Linux 操作系统不太了解？感谢任何试图帮助我的人！:)

调试

我跑了：

sudo systemctl enable bluetooth 
sudo systemctl start bluetooth

sudo systemctl status bluetooth给我：

● bluetooth.service - Bluetooth service
     Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disable>
     Active: active (running) since Thu 2022-04-21 03:49:22 PDT; 1 day 7h ago
       Docs: man:bluetoothd(8)
   Main PID: 15162 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 13909)
     Memory: 852.0K
        CPU: 28ms
     CGroup: /system.slice/bluetooth.service
             └─15162 /usr/lib/bluetooth/bluetoothd --compat

Apr 21 03:49:22 hashem-damrah systemd[1]: Starting Bluetooth service...
Apr 21 03:49:22 hashem-damrah bluetoothd[15162]: Bluetooth daemon 5.64
Apr 21 03:49:22 hashem-damrah systemd[1]: Started Bluetooth service.
Apr 21 03:49:22 hashem-damrah bluetoothd[15162]: Starting SDP server
Apr 21 03:49:22 hashem-damrah bluetoothd[15162]: Bluetooth management interface 1.21 initialized
Apr 22 11:08:58 hashem-damrah systemd[1]: bluetooth.service: Current command vanished from the >

这是输出rfkill list：

0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

这是输出sudo lsusb：

Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 05c8:03d2 Cheng Uei Precision Industry Co., Ltd (Foxlink) HP TrueVision HD Camera
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

这是输出sudo lsmod | grep blue：

bluetooth             856064  11 btrtl,btmtk,btintel,btbcm,bnep
ecdh_generic           16384  1 bluetooth
rfkill                 32768  6 hp_wmi,bluetooth,cfg80211
crc16                  16384  2 bluetooth,ext4