我有一台联想 Y510p，上面安装了 Ubuntu 16.04。我的笔记本电脑内置蓝牙突然关闭，音乐切换到笔记本电脑扬声器。我无法使用 GUI 再次将其打开。该命令sudo service bluetooth restart也无济于事。
如果我重新启动，通常会有所帮助，但这很烦人。
我从命令中获得了此输出sudo service bluetooth status。
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
Active: active (running) since อา. 2018-01-14 17:12:06 +07; 12s ago
Docs: man:bluetoothd(8)
Main PID: 31229 (bluetoothd)
Status: "Running"
CGroup: /system.slice/bluetooth.service
└─31229 /usr/lib/bluetooth/bluetoothd
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Not enough free handles
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Current Time Service could not be registered.
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: gatt-time-server
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Not enough free handles
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Not enough free handles
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Sap driver initialization failed.
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: sap-server: Operation not permitted (1)
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Endpoint register
ม.ค. 14 17:12:06 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Endpoint register
ม.ค. 14 17:12:16 firdaus-Lenovo-IdeaPad-Y510P bluetoothd[31229]: Failed to set m