Hello, I’ve recently bought the TBW-108UB network (wireless + bluetooth) adapter from Trendnet and installed the rtl8723bu driver to support it. The wifi works great and the bluetooth seems fine, but scanning for devices yield no result.
Here is some info:
$ inxi --full --verbosity=7 --filter --no-host
System:
Kernel: 5.10.59-1-MANJARO x86_64 bits: 64 compiler: gcc
v: 11.1.0 Desktop: i3 4.19.1 info: i3bar vt: 1 dm: startx
Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop System: ASUS product: N/A v: N/A
serial: <filter>
Mobo: ASUSTeK model: PRIME B550M-K v: Rev X.0x
serial: <filter> UEFI: American Megatrends v: 2407
date: 07/13/2021
Battery:
Device-1: hidpp_battery_0
model: Logitech MX Keys Wireless Keyboard serial: <filter>
charge: 100% (should be ignored) rechargeable: yes
status: Discharging
Device-2: hidpp_battery_1
model: Logitech M720 Triathlon Multi-Device Mouse
serial: <filter> charge: 55% (should be ignored)
rechargeable: yes status: Discharging
Memory:
RAM: total: 15 GiB used: 2.56 GiB (17.1%)
RAM Report:
permissions: Unable to run dmidecode. Root privileges required.
CPU:
Info: 8-Core model: AMD Ryzen 7 PRO 4750G with Radeon Graphics
bits: 64 type: MT MCP arch: Zen 2 rev: 1 cache: L2: 4 MiB
bogomips: 115255
Speed: 3786 MHz min/max: 1400/3600 MHz boost: enabled
Core speeds (MHz): 1: 3786 2: 1812 3: 1869 4: 4223 5: 1400
6: 1400 7: 1400 8: 1400 9: 1895 10: 3709 11: 1400 12: 1400
13: 1400 14: 1400 15: 3937 16: 1891
Flags: 3dnowprefetch abm adx aes aperfmperf apic arat avic avx
avx2 bmi1 bmi2 bpext cat_l3 cdp_l3 clflush clflushopt clwb
clzero cmov cmp_legacy constant_tsc cpb cpuid cqm cqm_llc
cqm_mbm_local cqm_mbm_total cqm_occup_llc cr8_legacy cx16 cx8
de decodeassists extapic extd_apicid f16c flushbyasid fma fpu
fsgsbase fxsr fxsr_opt ht hw_pstate ibpb ibrs ibs irperf
lahf_lm lbrv lm mba mca mce misalignsse mmx mmxext monitor
movbe msr mtrr mwaitx nonstop_tsc nopl npt nrip_save nx osvw
overflow_recov pae pat pausefilter pclmulqdq pdpe1gb
perfctr_core perfctr_llc perfctr_nb pfthreshold pge pni popcnt
pse pse36 rdpid rdpru rdrand rdseed rdt_a rdtscp rep_good sep
sha_ni skinit smap smca smep ssbd sse sse2 sse4_1 sse4_2 sse4a
ssse3 stibp succor svm svm_lock syscall tce topoext tsc
tsc_scale umip v_vmsave_vmload vgif vmcb_clean vme vmmcall
wbnoinvd wdt xgetbv1 xsave xsavec xsaveerptr xsaveopt xsaves
Graphics:
Device-1: AMD Renoir vendor: ASUSTeK driver: amdgpu v: kernel
bus-ID: 0a:00.0 chip-ID: 1002:1636 class-ID: 0300
Display: server: X.Org 1.20.13 compositor: picom v: git-dac85
driver: loaded: amdgpu,ati unloaded: modesetting
alternate: fbdev,vesa resolution: 1: 1920x1080~60Hz
2: 1920x1080~60Hz s-dpi: 96
OpenGL:
renderer: AMD RENOIR (DRM 3.40.0 5.10.59-1-MANJARO LLVM 12.0.1)
v: 4.6 Mesa 21.1.6 direct render: Yes
Audio:
Device-1: AMD vendor: ASUSTeK driver: snd_hda_intel v: kernel
bus-ID: 0a:00.1 chip-ID: 1002:1637 class-ID: 0403
Device-2: AMD Family 17h HD Audio
vendor: ASUSTeK PRIME B450M-A driver: snd_hda_intel v: kernel
bus-ID: 0a:00.6 chip-ID: 1022:15e3 class-ID: 0403
Device-3: Nam Tai E&E Products or OmniVision Sony Playstation
Eye
type: USB driver: ov534,snd-usb-audio bus-ID: 3-1:2
chip-ID: 1415:2000 class-ID: 0102
Sound Server-1: ALSA v: k5.10.59-1-MANJARO running: yes
Sound Server-2: JACK v: 1.9.19 running: no
Sound Server-3: PulseAudio v: 15.0 running: no
Sound Server-4: PipeWire v: 0.3.33 running: yes
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit
Ethernet
vendor: ASUSTeK PRIME B450M-A driver: r8169 v: kernel
port: f000 bus-ID: 09:00.0 chip-ID: 10ec:8168 class-ID: 0200
IF: enp9s0 state: up speed: 1000 Mbps duplex: full
mac: <filter>
IP v4: <filter> type: dynamic noprefixroute scope: global
broadcast: <filter>
IP v6: <filter> type: noprefixroute scope: link
IF-ID-1: wlp1s0f0u7i2 state: down mac: <filter>
WAN IP: <filter>
Bluetooth:
Device-1: TRENDnet TBW-108UB USB Adapter type: USB
driver: btusb,rtl8723bu bus-ID: 1-7:2 chip-ID: 20f4:108a
class-ID: e001 serial: <filter>
Report: hciconfig ID: hci0 rfk-id: 1 state: up
address: <filter> bt-v: 2.1 lmp-v: 4.0 sub-v: 8723 hci-v: 4.0
rev: b
Logical:
Message: No logical block device data found.
RAID:
Message: No RAID data found.
Drives:
Local Storage: total: 931.51 GiB used: 49.12 GiB (5.3%)
ID-1: /dev/sda vendor: Crucial model: CT1000MX500SSD4
size: 931.51 GiB speed: 6.0 Gb/s type: SSD serial: <filter>
rev: 023 scheme: GPT
Message: No optical or floppy data found.
Partition:
ID-1: / size: 899.35 GiB used: 49.12 GiB (5.5%) fs: ext4
dev: /dev/sda2 label: N/A
uuid: 87557324-30a0-46e1-affb-faca69fcfca2
ID-2: /boot/efi size: 299.4 MiB used: 312 KiB (0.1%) fs: vfat
dev: /dev/sda1 label: N/A uuid: 91E7-7EA9
Swap:
ID-1: swap-1 type: partition size: 16.51 GiB
used: 0 KiB (0.0%) priority: -2 dev: /dev/sda3 label: N/A
uuid: 36b4a98d-629c-4911-b7c4-1d4148aa1f18
Unmounted:
Message: No unmounted partitions found.
USB:
Hub-1: 1-0:1 info: Full speed (or root) Hub ports: 10 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 1-7:2 info: TRENDnet TBW-108UB USB Adapter
type: Bluetooth driver: btusb,rtl8723bu interfaces: 3 rev: 2.1
speed: 480 Mb/s power: 500mA chip-ID: 20f4:108a class-ID: e001
serial: <filter>
Device-2: 1-8:3 info: Logitech Unifying Receiver
type: Keyboard,Mouse,HID driver: logitech-djreceiver,usbhid
interfaces: 3 rev: 2.0 speed: 12 Mb/s power: 98mA
chip-ID: 046d:c52b class-ID: 0300
Hub-2: 2-0:1 info: Full speed (or root) Hub ports: 4 rev: 3.1
speed: 10 Gb/s chip-ID: 1d6b:0003 class-ID: 0900
Hub-3: 3-0:1 info: Full speed (or root) Hub ports: 4 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 3-1:2
info: Nam Tai E&E Products or OmniVision Sony Playstation Eye
type: Audio driver: ov534,snd-usb-audio interfaces: 3 rev: 2.0
speed: 480 Mb/s power: 500mA chip-ID: 1415:2000 class-ID: 0102
Hub-4: 4-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1
speed: 10 Gb/s chip-ID: 1d6b:0003 class-ID: 0900
Hub-5: 5-0:1 info: Full speed (or root) Hub ports: 4 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Hub-6: 6-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1
speed: 10 Gb/s chip-ID: 1d6b:0003 class-ID: 0900
Sensors:
System Temperatures: cpu: 33.6 C mobo: N/A gpu: amdgpu
temp: 27.0 C
Fan Speeds (RPM): N/A
Info:
Processes: 365 Uptime: 22m wakeups: 6 Init: systemd v: 248
Compilers: gcc: 11.1.0 clang: 12.0.1 Packages: pacman: 1248
Shell: Zsh v: 5.8 running-in: tmux: inxi: 3.3.06
$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
Active: active (running) since Mon 2021-08-23 20:34:43 -05; 23min ago
Docs: man:bluetoothd(8)
Main PID: 1068 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18335)
Memory: 2.0M
CPU: 39ms
CGroup: /system.slice/bluetooth.service
└─1068 /usr/lib/bluetooth/bluetoothd
Aug 23 20:34:43 dpc bluetoothd[1068]: Starting SDP server
Aug 23 20:34:43 dpc bluetoothd[1068]: Bluetooth management interface 1.18 initialized
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSource/ldac
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSink/aptx_hd
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSource/aptx_hd
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSink/aptx
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSource/aptx
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSource/aac
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSink/sbc
Aug 23 20:34:54 dpc bluetoothd[1068]: Endpoint registered: sender=:1.30 path=/MediaEndpoint/A2DPSource/sbc
$ rfkill list
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no
I’m not very experienced with Linux, so please bear with me. Any help is appreciated :^).