Bluetooth settings doesnt detect any BT devices

Manjaro 21.1 Gnome 40.3, in the Settings/Bluetooth panel Bluetooth is ON & it shows searching for devices, but neither my Logitech M590 mouse or Elecom HS10 headset will be detected.
I have Ubuntu 21.1 Gnome 3.38 on another partition & both devices are detected & work.

Where should I begin to fix this? Thanks.

Lenovo Thinkbook 14 G2 AMD

>  inxi --admin --verbosity=7 --filter --no-host                 1 ✘  33s  
> System:
>   Kernel: 5.10.59-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0 
>   parameters: BOOT_IMAGE=/boot/vmlinuz-5.10-x86_64 
>   root=UUID=0b90181d-1eb7-44d7-bc37-80c878000293 rw quiet splash apparmor=1 
>   security=apparmor udev.log_priority=3 iommu=soft 
>   Desktop: GNOME 40.3 tk: GTK 3.24.30 wm: gnome-shell dm: GDM 40.1 
>   Distro: Manjaro Linux base: Arch Linux 
> Machine:
>   Type: Laptop System: LENOVO product: 20VF v: ThinkBook 14 G2 ARE serial: <filter> 
>   Chassis: type: 10 v: ThinkBook 14 G2 ARE serial: <filter> 
>   Mobo: LENOVO model: LNVNB161216 v: SDK0J40700 WIN serial: <filter> UEFI: LENOVO 
>   v: FACN28WW(V1.11) date: 05/18/2021 
> Battery:
>   ID-1: BAT1 charge: 38.9 Wh (88.6%) condition: 43.9/45.0 Wh (97.6%) volts: 13.1 
>   min: 11.5 
>   model: 0x43 0x65 0x6C 0x78 0x70 0x65 0x 0x4C 0x31 0x39 0x43 0x33 0x50 0x4500 
>   type: Li-ion serial: <filter> status: Charging cycles: 35 
> Memory:
>   RAM: total: 19.42 GiB used: 2.3 GiB (11.8%) 
>   RAM Report: permissions: Unable to run dmidecode. Root privileges required. 
> CPU:
>   Info: 6-Core model: AMD Ryzen 5 4500U with Radeon Graphics bits: 64 type: MCP 
>   arch: Zen 2 family: 17 (23) model-id: 60 (96) stepping: 1 microcode: 8600106 
>   cache: L2: 3 MiB bogomips: 28454 
>   Speed: 1397 MHz min/max: 1400/2375 MHz boost: enabled Core speeds (MHz): 1: 1397 
>   2: 1397 3: 1397 4: 1397 5: 1397 6: 1397 
>   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 
>   Vulnerabilities: Type: itlb_multihit status: Not affected 
>   Type: l1tf status: Not affected 
>   Type: mds status: Not affected 
>   Type: meltdown status: Not affected 
>   Type: spec_store_bypass 
>   mitigation: Speculative Store Bypass disabled via prctl and seccomp 
>   Type: spectre_v1 
>   mitigation: usercopy/swapgs barriers and __user pointer sanitization 
>   Type: spectre_v2 mitigation: Full AMD retpoline, IBPB: conditional, IBRS_FW, 
>   STIBP: disabled, RSB filling 
>   Type: srbds status: Not affected 
>   Type: tsx_async_abort status: Not affected 
> Graphics:
>   Device-1: AMD Renoir vendor: Lenovo driver: amdgpu v: kernel bus-ID: 05:00.0 
>   chip-ID: 1002:1636 class-ID: 0300 
>   Device-2: IMC Networks Integrated Camera type: USB driver: uvcvideo bus-ID: 1-3:2 
>   chip-ID: 13d3:56ff class-ID: 0e02 
>   Display: wayland server: X.org 1.20.13 compositor: gnome-shell driver: 
>   loaded: amdgpu,ati unloaded: modesetting alternate: fbdev,vesa display-ID: 0 
>   resolution: <missing: xdpyinfo> 
>   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: Lenovo driver: snd_hda_intel v: kernel bus-ID: 05:00.1 
>   chip-ID: 1002:1637 class-ID: 0403 
>   Device-2: AMD Raven/Raven2/FireFlight/Renoir Audio Processor vendor: Lenovo 
>   driver: N/A alternate: snd_pci_acp3x, snd_rn_pci_acp3x bus-ID: 05:00.5 
>   chip-ID: 1022:15e2 class-ID: 0480 
>   Device-3: AMD Family 17h HD Audio vendor: Lenovo driver: snd_hda_intel v: kernel 
>   bus-ID: 05:00.6 chip-ID: 1022:15e3 class-ID: 0403 
>   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: yes 
>   Sound Server-4: PipeWire v: 0.3.33 running: yes 
> Network:
>   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Lenovo 
>   driver: r8169 v: kernel port: 3000 bus-ID: 03:00.0 chip-ID: 10ec:8168 
>   class-ID: 0200 
>   IF: eno1 state: down mac: <filter> 
>   Device-2: Realtek vendor: Lenovo driver: rtw89_pci v: N/A modules: rtw89pci 
>   port: 2000 bus-ID: 04:00.0 chip-ID: 10ec:8852 class-ID: 0280 
>   IF: wlp4s0 state: up mac: <filter> 
>   IP v4: <filter> type: dynamic noprefixroute scope: global broadcast: <filter> 
>   IP v6: <filter> type: noprefixroute scope: link 
>   WAN IP: <filter> 
> **Bluetooth**:
>   **Device-1: Realtek Bluetooth Radio type: USB driver: btusb v: 0.8 bus-ID: 3-4:3** 
>   chip-ID: 0bda:4852 class-ID: e001 serial: <filter> 
>   Report: rfkill ID: hci0 rfk-id: 3 state: up address: see --recommends 
> Logical:
>   Message: No logical block device data found. 
> RAID:
>   Message: No RAID data found. 
> Drives:
>   Local Storage: total: 704.24 GiB used: 242.62 GiB (34.5%) 
>   SMART Message: Required tool smartctl not installed. Check --recommends 
>   ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: MZALQ256HAJD-000L2 
>   size: 238.47 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s 
>   lanes: 4 type: SSD serial: <filter> rev: BL2QFXV7 temp: 34.9 C scheme: GPT 
>   ID-2: /dev/sda maj-min: 8:0 vendor: Crucial model: CT500MX500SSD1 size: 465.76 GiB 
>   block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s type: SSD 
>   serial: <filter> rev: 032 scheme: MBR 
>   Message: No optical or floppy data found. 
> Partition:
>   ID-1: / raw-size: 118.99 GiB size: 116.56 GiB (97.96%) used: 34.82 GiB (29.9%) 
>   fs: ext4 dev: /dev/nvme0n1p3 maj-min: 259:3 label: N/A 
>   uuid: 0b90181d-1eb7-44d7-bc37-80c878000293 
>   ID-2: /boot/efi raw-size: 512 MiB size: 511 MiB (99.80%) used: 4.6 MiB (0.9%) 
>   fs: vfat dev: /dev/nvme0n1p1 maj-min: 259:1 label: N/A uuid: EB07-8818 
>   ID-3: /mnt/SSD500 raw-size: 465.76 GiB size: 457.45 GiB (98.22%) 
>   used: 207.8 GiB (45.4%) fs: ext4 dev: /dev/sda1 maj-min: 8:1 label: SSD500 
>   uuid: a1936d96-6ea6-4cb5-b62d-618a8ec8a2a8 
> Swap:
>   Alert: No swap data was found. 
> Unmounted:
>   ID-1: /dev/nvme0n1p2 maj-min: 259:2 size: 118.99 GiB fs: ext4 label: N/A 
>   uuid: 0f80e24b-1488-4fd7-b5a4-c563182bf4f7 
> USB:
>   Hub-1: 1-0:1 info: Full speed (or root) Hub ports: 4 rev: 2.0 speed: 480 Mb/s 
>   chip-ID: 1d6b:0002 class-ID: 0900 
>   Device-1: 1-3:2 info: IMC Networks Integrated Camera type: Video driver: uvcvideo 
>   interfaces: 2 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 13d3:56ff 
>   class-ID: 0e02 
>   Hub-2: 2-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1 speed: 10 Gb/s 
>   chip-ID: 1d6b:0003 class-ID: 0900 
>   Hub-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: 3-3:2 info: Elan Micro ELAN:Fingerprint type: <vendor specific> 
>   driver: N/A interfaces: 1 rev: 2.0 speed: 12 Mb/s power: 100mA chip-ID: 04f3:0c4b 
>   class-ID: 0000 
>   Device-2: 3-4:3 info: Realtek Bluetooth Radio type: Bluetooth driver: btusb 
>   interfaces: 2 rev: 1.0 speed: 12 Mb/s power: 500mA chip-ID: 0bda:4852 
>   class-ID: e001 serial: <filter> 
>   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 
> Sensors:
>   System Temperatures: cpu: 47.4 C mobo: N/A gpu: amdgpu temp: 39.0 C 
>   Fan Speeds (RPM): N/A 
> Info:
>   Processes: 256 Uptime: 1h 14m wakeups: 17 Init: systemd v: 248 tool: systemctl 
>   Compilers: gcc: 11.1.0 Packages: pacman: 1503 lib: 465 flatpak: 0 Shell: Zsh 
>   v: 5.8 running-in: gnome-terminal inxi: 3.3.06 

rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no

bluetooth --help
bluetooth = on

> sudo systemctl status bluetooth    
> [sudo] password for rico: 
> ● bluetooth.service - Bluetooth service
>      Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset:>
>      Active: active (running) since Wed 2021-08-25 11:10:08 JST; 1h 23min ago
>        Docs: man:bluetoothd(8)
>    Main PID: 565 (bluetoothd)
>      Status: "Running"
>       Tasks: 1 (limit: 23837)
>      Memory: 2.4M
>         CPU: 35ms
>      CGroup: /system.slice/bluetooth.service
>              └─565 /usr/lib/bluetooth/bluetoothd
> 
>  8月 25 11:10:08 Sulaco bluetoothd[565]: Bluetooth management interface 1.18 initialized
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>
>  8月 25 11:10:12 Sulaco bluetoothd[565]: Endpoint registered: sender=:1.36 path=/MediaE>

Have you tried this yet as Logitech is notorious for having crappy no Linux support?

:crossed_fingers:

Yes, thank you. I tried it.
The mouse works fine with Ubuntu on the same computer.

Actually I have just this moment fixed it, the problem was Kernel 5.10, I have changed to 5.13 & now Bluetooth scans & finds devices!

My laptop is fairly new (end 2020), Lenovo Thinkbook 14 G2 AMD. It seems only Kernel 5.11 or higher support the Reaktek BT module in this laptop.

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