请问有人知道如何解决这个问题吗？
我试图连接蓝牙扬声器/鼠标。
我尝试了很多方法，但没有解决。
以下是我尝试过的一些信息。
aejaz@aejaz-HP-Laptop-15-bs1xx:~$ lsusb; dmesg | egrep -i 'blue|firm'
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 1bcf:2c9b Sunplus Innovation Technology Inc.
Bus 001 Device 002: ID 0bda:b009 Realtek Semiconductor Corp.
[ 24.983563] RTW: rtl8723d_FirmwareDownload((null)) tmp_ps=0
[ 24.983565] RTW: rtl8723d_FirmwareDownload fw: FW_NIC, size: 26498
[ 24.983566] RTW: rtl8723d_FirmwareDownload: fw_ver=1d fw_subver=0002
sig=0x23d1, Month=04, Date=14, Hour=11, Minute=13
[ 24.983566] RTW: rtl8723d_FirmwareDownload(): Shift for fw header!
[ 24.983568] RTW: rtl8723d_FirmwareDownload by IO write!
[ 24.986044] RTW: rtl8723d_FirmwareDownload: download FW count:1
[ 25.004247] RTW: rtl8723d_FirmwareDownload success. write_fw:1, 24ms
[ 25.004248] RTW: <=== rtl8723d_FirmwareDownload()
[ 29.490025] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 29.490027] Bluetooth: BNEP filters: protocol multicast
[ 29.490031] Bluetooth: BNEP socket layer initialized
[ 33.157484] RTW: rtl8723d_FirmwareDownload(wlo1) tmp_ps=0
[ 33.157485] RTW: rtl8723d_FirmwareDownload fw: FW_NIC, size: 26498
[ 33.157489] RTW: rtl8723d_FirmwareDownload: fw_ver=1d fw_subver=0002 sig=0x23d1, Month=04, Date=14, Hour=11, Minute=13
[ 33.157489] RTW: rtl8723d_FirmwareDownload(): Shift for fw header!
[ 33.157560] RTW: rtl8723d_FirmwareDownload by IO write!
[ 33.159957] RTW: rtl8723d_FirmwareDownload: download FW count:1
[ 33.178160] RTW: rtl8723d_FirmwareDownload success. write_fw:1, 20ms
[ 33.178161] RTW: <=== rtl8723d_FirmwareDownload()
[ 35.091787] RTW: rtl8723d_FirmwareDownload(wlo1) tmp_ps=0
[ 35.091787] RTW: rtl8723d_FirmwareDownload fw: FW_NIC, size: 26498
[ 35.091789] RTW: rtl8723d_FirmwareDownload: fw_ver=1d fw_subver=0002 sig=0x23d1, Month=04, Date=14, Hour=11, Minute=13
[ 35.091789] RTW: rtl8723d_FirmwareDownload(): Shift for fw header!
[ 35.091873] RTW: rtl8723d_FirmwareDownload by IO write!
[ 35.094271] RTW: rtl8723d_FirmwareDownload: download FW count:1
[ 35.112474] RTW: rtl8723d_FirmwareDownload success. write_fw:1, 24ms
[ 35.112475] RTW: <=== rtl8723d_FirmwareDownload()
[ 58.021783] RTW: rtl8723d_FirmwareDownload(wlo1) tmp_ps=0
[ 58.021784] RTW: rtl8723d_FirmwareDownload fw: FW_NIC, size: 26498
[ 58.021785] RTW: rtl8723d_FirmwareDownload: fw_ver=1d fw_subver=0002 sig=0x23d1, Month=04, Date=14, Hour=11, Minute=13
[ 58.021786] RTW: rtl8723d_FirmwareDownload(): Shift for fw header!
[ 58.021869] RTW: rtl8723d_FirmwareDownload by IO write!
[ 58.024341] RTW: rtl8723d_FirmwareDownload: download FW count:1
[ 58.042544] RTW: rtl8723d_FirmwareDownload success. write_fw:1, 20ms
[ 58.042544] RTW: <=== rtl8723d_FirmwareDownload()
[ 79.518970] RTW: rtl8723d_FirmwareDownload(wlo1) tmp_ps=0
[ 79.518971] RTW: rtl8723d_FirmwareDownload fw: FW_NIC, size: 26498
[ 79.518972] RTW: rtl8723d_FirmwareDownload: fw_ver=1d fw_subver=0002 sig=0x23d1, Month=04, Date=14, Hour=11, Minute=13
[ 79.518973] RTW: rtl8723d_FirmwareDownload(): Shift for fw header!
[ 79.519056] RTW: rtl8723d_FirmwareDownload by IO write!
[ 79.521539] RTW: rtl8723d_FirmwareDownload: download FW count:1
[ 79.539817] RTW: rtl8723d_FirmwareDownload success. write_fw:1, 20ms
[ 79.539818] RTW: <=== rtl8723d_FirmwareDownload()
aejaz@aejaz-HP-Laptop-15-bs1xx:~$ inxi -Fxzd
System: Host: aejaz-HP-Laptop-15-bs1xx Kernel: 4.15.0-36-generic x86_64 (64 bit gcc: 5.4.0)
Desktop: Unity 7.4.0 (Gtk 3.18.9-1ubuntu3.3)
Distro: Ubuntu 16.04 xenial
Machine: System: HP product: HP Laptop 15-bs1xx v: Type1ProductConfigId
Mobo: HP model: 832A v: 23.61 Bios: Insyde v: F.42 date: 08/06/2018
CPU: Quad core Intel Core i5-8250U (-HT-MCP-) cache: 6144 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 14400
clock speeds: max: 3400 MHz 1: 902 MHz 2: 1804 MHz 3: 1322 MHz
4: 1925 MHz 5: 1803 MHz 6: 1935 MHz 7: 1644 MHz 8: 1494 MHz
Graphics: Card: Intel Device 5917 bus-ID: 00:02.0
Display Server: X.Org 1.19.3 drivers: (unloaded: fbdev,vesa)
Resolution: [email protected]
GLX Renderer: Mesa DRI Intel UHD Graphics 620 (Kabylake GT2)
GLX Version: 3.0 Mesa 18.0.5 Direct Rendering: Yes
Audio: Card Intel Device 9d71 driver: snd_hda_intel bus-ID: 00:1f.3
Sound: Advanced Linux Sound Architecture v: k4.15.0-36-generic
Network: Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
driver: r8169 v: 2.3LK-NAPI port: 4000 bus-ID: 01:00.0
IF: eno1 state: down mac: <filter>
Card-2: Realtek Device d723
driver: rtl8723de v: v5.1.1.8_21285.20171026 port: 3000
bus-ID: 02:00.0
IF: wlo1 state: up speed: N/A duplex: N/A mac: <filter>
Drives: HDD Total Size: 1000.2GB (4.4% used)
ID-1: /dev/sda model: ST1000LM035 size: 1000.2GB
Optical: /dev/sr0 model: hp DVDRW DA8AESH
rev: XH6M dev-links: cdrom,cdrw,dvd,dvdrw
Features: speed: 24x multisession: yes
audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r state: running
Partition: ID-1: / size: 235G used: 34G (16%) fs: ext4 dev: /dev/sda7
ID-2: swap-1 size: 8.50GB used: 0.00GB (0%) fs: swap dev: /dev/sda8
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 38.5C mobo: 29.8C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 243 Uptime: 1:24 Memory: 1610.9/7893.5MB
Init: systemd runlevel: 5 Gcc sys: 5.4.0
Client: Shell (bash 4.3.481) inxi: 2.2.35
aejaz@aejaz-HP-Laptop-15-bs1xx:~$ bluetoothctl
[bluetooth]# list
[bluetooth]# show
No default controller available
[bluetooth]# power on
No default controller available
[bluetooth]# scan on
No default controller available
[bluetooth]# exit