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无法重新启动蓝牙服务

tag-icon • tag-icon linux ubuntu bluetooth
无法重新启动蓝牙服务

我无法重新启动蓝牙。我试过：

  • sudo service restart bluetooth
  • sudo service stop bluetooth
  • systemctl stop bluetooth
  • sudo kill -9 <bluetoothd-pid>

但systemctl status bluetooth仍然返回：

× bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: failed (Result: timeout) since Fri 2022-10-14 21:03:19 CEST; 20min ago
       Docs: man:bluetoothd(8)
   Main PID: 1728
     Status: "Running"
      Tasks: 1 (limit: 9238)
     Memory: 2.9M
        CPU: 217ms
     CGroup: /system.slice/bluetooth.service
             └─1728 /usr/lib/bluetooth/bluetoothd

okt 14 20:57:18 MCY580 systemd[1]: Stopping Bluetooth service...
okt 14 20:58:48 MCY580 systemd[1]: bluetooth.service: State 'stop-sigterm' timed out. Killing.
okt 14 20:58:48 MCY580 systemd[1]: bluetooth.service: Killing process 1728 (bluetoothd) with …GKILL.
okt 14 21:00:18 MCY580 systemd[1]: bluetooth.service: Processes still around after SIGKILL. I…oring.
okt 14 21:01:48 MCY580 systemd[1]: bluetooth.service: State 'final-sigterm' timed out. Killing.
okt 14 21:01:48 MCY580 systemd[1]: bluetooth.service: Killing process 1728 (bluetoothd) with …GKILL.
okt 14 21:03:19 MCY580 systemd[1]: bluetooth.service: Processes still around after final SIGK… mode.
okt 14 21:03:19 MCY580 systemd[1]: bluetooth.service: Failed with result 'timeout'.
okt 14 21:03:19 MCY580 systemd[1]: bluetooth.service: Unit process 1728 (bluetoothd) remains …opped.
okt 14 21:03:19 MCY580 systemd[1]: Stopped Bluetooth service.
Hint: Some lines were ellipsized, use -l to show in full.

在 ps aux 中我仍然可以看到它bletoothd正在运行：

 ps aux | grep bluetoothd
root        1728  0.0  0.0  10624  5320 ?        Ds   19:09   0:00 /usr/lib/bluetooth/bluetoothd

在dmesg我可以看到：

[ 4944.030004] Bluetooth: hci0: command 0x0406 tx timeout

我尝试过sudo strace -p1728，但它冻结了 mi 终端，无法将其关闭：

~$ sudo strace -p1728
strace: Process 1728 attached

我正在使用ubnutu 22.04.1 LTS最近从18.04.到目前为止，我通过重新启动解决了这种情况，但它变得很烦人，因为发生这种情况时我的蓝牙键盘停止工作，甚至整个笔记本电脑都冻结了两次，我不得不进行硬重新启动。

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