蓝牙在 Debian 上不工作:“没有可用的默认控制器”

蓝牙在 Debian 上不工作:“没有可用的默认控制器”

我的 Debian 系统上遇到蓝牙问题,我正在寻求帮助来排除故障并解决问题。

详细信息如下:

问题: 当我尝试使用 扫描蓝牙设备时bluetoothctl,遇到以下错误:No default controller available

系统信息:

  • 操作系统: Debian
  • 蓝牙适配器:高通Atheros AR3011
  • 蓝牙服务:活动且正在运行
  • 蓝牙ctl命令:scan on

采取的故障排除步骤:

  1. 检查蓝牙服务状态:sudo systemctl status bluetooth.service\
bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; preset: enabl>
   Active: active (running) since Mon 2023-11-20 10:20:39 CET; 4h 42min ago
     Docs: man:bluetoothd(8)
   Main PID: 1780 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 4915)
     Memory: 1.8M
        CPU: 80ms
     CGroup: /system.slice/bluetooth.service
             └─1780 /usr/libexec/bluetooth/bluetoothd --noplugin=audio,a2dp
  1. 检查已加载的蓝牙内核模块:\
lsmod | grep btusb
btusb 53248 0
lsmod | grep ath3k
ath3k 20480 0
  1. 检查固件包:firmware-atheros is installed
  2. 检查dmesg中蓝牙相关消息:
sudo dmesg | grep -i bluetooth
[   20.367747] Bluetooth: Core ver 2.22
[   20.367793] NET: Registered PF_BLUETOOTH protocol family
[   20.367796] Bluetooth: HCI device and connection manager initialized
[   20.367810] Bluetooth: HCI socket layer initialized
[   20.367814] Bluetooth: L2CAP socket layer initialized
[   20.367824] Bluetooth: SCO socket layer initialized
[   25.844567] Bluetooth: Can't change to loading configuration err
[  172.268002] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[  172.268012] Bluetooth: BNEP filters: protocol multicast
[  172.268020] Bluetooth: BNEP socket layer initialized

尽管做出了这些努力,问题仍然存在,并且我无法在 Debian 系统上使用蓝牙功能。

相关内容