我打开了蓝牙，但它却不断扫描设备。
以下是有关我的 Ubuntu 20.04.6 的一些信息：
~$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0bda:2852 Realtek Semiconductor Corp. Bluetooth Radio
Bus 003 Device 002: ID 30fa:0300 USB OPTICAL MOUSE
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 004: ID 04f3:0c00 Elan Microelectronics Corp. ELAN:ARM-M4
Bus 001 Device 003: ID 04f2:b6bb Chicony Electronics Co., Ltd HP Wide Vision HD Camera
Bus 001 Device 005: ID 22d9:2766 realme 真我GT 大师探索版
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
~$ dmesg | grep -i bluetooth
[ 3.003902] usb 3-3: Product: Bluetooth Radio
[ 4.002429] Bluetooth: Core ver 2.22
[ 4.002445] Bluetooth: HCI device and connection manager initialized
[ 4.002450] Bluetooth: HCI socket layer initialized
[ 4.002451] Bluetooth: L2CAP socket layer initialized
[ 4.002453] Bluetooth: SCO socket layer initialized
[ 4.008862] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000a lmp_ver=0b lmp_subver=8852
[ 4.008864] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8852, hci rev 000a, hci ver 000b
[ 4.008865] Bluetooth: hci0: RTL: assuming no firmware upload needed
[ 5.309217] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 5.309219] Bluetooth: BNEP filters: protocol multicast
[ 5.309226] Bluetooth: BNEP socket layer initialized
[ 22.732049] Bluetooth: RFCOMM TTY layer initialized
[ 22.732057] Bluetooth: RFCOMM socket layer initialized
[ 22.732062] Bluetooth: RFCOMM ver 1.11
[ 133.314888] Bluetooth: hci0: Ignoring error of Inquiry Cancel command
[ 137.834175] Bluetooth: hci0: Ignoring error of Inquiry Cancel command
[ 269.784718] Bluetooth: hci0: Ignoring error of Inquiry Cancel command
[ 440.650122] Bluetooth: hci0: urb 000000002944b2eb failed to resubmit (2)
[ 466.182303] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000a lmp_ver=0b lmp_subver=8852
[ 466.182309] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8852, hci rev 000a, hci ver 000b
[ 466.182311] Bluetooth: hci0: RTL: assuming no firmware upload needed
[ 477.765333] Bluetooth: hci0: urb 00000000077dd4af failed to resubmit (2)
[ 481.697712] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000a lmp_ver=0b lmp_subver=8852
[ 481.697716] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8852, hci rev 000a, hci ver 000b
[ 481.697718] Bluetooth: hci0: RTL: assuming no firmware upload needed
[ 489.406544] Bluetooth: hci0: HCI reset during shutdown failed
[ 1015.063308] Bluetooth: hci0: Ignoring error of Inquiry Cancel command
~$ sudo systemctl status bluetooth
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2023-12-28 12:18:50 CST; 23min ago
Docs: man:bluetoothd(8)
Main PID: 7287 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18329)
Memory: 1.8M
CGroup: /system.slice/bluetooth.service
└─7287 /usr/lib/bluetooth/bluetoothd
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx systemd[1]: Starting Bluetooth service...
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx bluetoothd[7287]: Bluetooth daemon 5.53
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx systemd[1]: Started Bluetooth service.
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx bluetoothd[7287]: Starting SDP server
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx bluetoothd[7287]: Bluetooth management interface 1.14 initialized
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx bluetoothd[7287]: Endpoint registered: sender=:1.85 path=/MediaEndpoint/A2DPSink/sbc
12月 28 12:18:50 sharve-HP-Pavilion-Aero-Laptop-13-be0xxx bluetoothd[7287]: Endpoint registered: sender=:1.85 path=/MediaEndpoint/A2DPSource/sbc