我遇到一个问题，我的桌面蓝牙无法找到任何设备。
当我运行蓝牙状态时，出现以下错误：
#sudo service Bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2019-04-19 23:44:21 CST; 5min ago
Docs: man:bluetoothd(8)
Main PID: 809 (bluetoothd)
Status: "Running"
CGroup: /system.slice/bluetooth.service
└─809 /usr/lib/bluetooth/bluetoothd
Apr 19 23:44:21 liu-K401UQ bluetoothd[809]: Not enough free handles to register service
Apr 19 23:44:21 liu-K401UQ bluetoothd[809]: Sap driver initialization failed.
Apr 19 23:44:21 liu-K401UQ bluetoothd[809]: sap-server: Operation not permitted (1)
Apr 19 23:44:25 liu-K401UQ bluetoothd[809]: Endpoint registered: sender=:1.40 path=/MediaEndpoint/A2DPSource
Apr 19 23:44:25 liu-K401UQ bluetoothd[809]: Endpoint registered: sender=:1.40 path=/MediaEndpoint/A2DPSink
Apr 19 23:44:31 liu-K401UQ bluetoothd[809]: Endpoint registered: sender=:1.69 path=/MediaEndpoint/A2DPSource
Apr 19 23:44:31 liu-K401UQ bluetoothd[809]: Endpoint registered: sender=:1.69 path=/MediaEndpoint/A2DPSink
Apr 19 23:44:31 liu-K401UQ bluetoothd[809]: RFCOMM server failed for Headset Voice gateway: rfcomm_bind: Address already in use (98)
Apr 19 23:44:48 liu-K401UQ bluetoothd[809]: Endpoint unregistered: sender=:1.40 path=/MediaEndpoint/A2DPSource
Apr 19 23:44:48 liu-K401UQ bluetoothd[809]: Endpoint unregistered: sender=:1.40 path=/MediaEndpoint/A2DPSink
蓝牙设备信息
$ lsusb; rfkill list; dmesg | egrep -i 'blue|firm'
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 13d3:3487 IMC Networks
Bus 001 Device 004: ID 0bda:57ed Realtek Semiconductor Corp.
Bus 001 Device 003: ID 046d:c084 Logitech, Inc.
Bus 001 Device 002: ID 24ae:4005
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: asus-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
2: asus-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
[ 0.054904] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.235227] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 2.791522] Bluetooth: Core ver 2.21
[ 2.791542] Bluetooth: HCI device and connection manager initialized
[ 2.791640] Bluetooth: HCI socket layer initialized
[ 2.791643] Bluetooth: L2CAP socket layer initialized
[ 2.791650] Bluetooth: SCO socket layer initialized
[ 3.891379] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.891383] Bluetooth: BNEP filters: protocol multicast
[ 3.891387] Bluetooth: BNEP socket layer initialized
[ 8.368496] Bluetooth: RFCOMM TTY layer initialized
[ 8.368502] Bluetooth: RFCOMM socket layer initialized
[ 8.368507] Bluetooth: RFCOMM ver 1.11
并且我已经下载了BCM.hcd并按照解决方案将其放入文件夹中：蓝牙 Broadcom 43142 无法正常工作，但仍然无法解决我的问题。
希望有人能帮助我，非常感谢！