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#1 2021-10-16 14:40:09

Vadosssss
Member
Registered: 2021-10-16
Posts: 2

Bluetooth not discover LE devices (Intel AX201)

I just discovered that my laptop discover BLE devices. Airpod's and redmi headphones works well, but my mouse Logitech M590 and Mi band 4 not discover (on other distro works normally). Kernel 5.14.12-zen1-1-zen (lts and vanilla kernel tested too). Chip Intel AX201
dmesg output

[    3.042429] Bluetooth: Core ver 2.22
[    3.043381] NET: Registered PF_BLUETOOTH protocol family
[    3.043383] Bluetooth: HCI device and connection manager initialized
[    3.043387] Bluetooth: HCI socket layer initialized
[    3.043389] Bluetooth: L2CAP socket layer initialized
[    3.043393] Bluetooth: SCO socket layer initialized
[    3.080620] Bluetooth: hci0: Bootloader revision 0.4 build 0 week 30 2018
[    3.081627] Bluetooth: hci0: Device revision is 2
[    3.081630] Bluetooth: hci0: Secure boot is enabled
[    3.081631] Bluetooth: hci0: OTP lock is enabled
[    3.081632] Bluetooth: hci0: API lock is enabled
[    3.081632] Bluetooth: hci0: Debug lock is disabled
[    3.081633] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    3.082894] Bluetooth: hci0: Found device firmware: intel/ibt-19-0-4.sfi
[    4.730238] Bluetooth: hci0: Waiting for firmware download to complete
[    4.730599] Bluetooth: hci0: Firmware loaded in 1609083 usecs
[    4.730640] Bluetooth: hci0: Waiting for device to boot
[    4.745610] Bluetooth: hci0: Device booted in 14638 usecs
[    4.745774] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-19-0-4.ddc
[    4.747617] Bluetooth: hci0: Applying Intel DDC parameters completed
[    4.750615] Bluetooth: hci0: Firmware revision 0.4 build 164 week 35 2021
[    4.794778] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.794782] Bluetooth: BNEP filters: protocol multicast
[    4.794787] Bluetooth: BNEP socket layer initialized
[    4.810604] Bluetooth: hci0: MSFT filter_enable is already on
[   11.108729] Bluetooth: RFCOMM TTY layer initialized
[   11.108734] Bluetooth: RFCOMM socket layer initialized
[   11.108738] Bluetooth: RFCOMM ver 1.11

systemctl status bluetooth

 ● bluetooth.service - Bluetooth service
     Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
     Active: active (running) since Sat 2021-10-16 17:12:21 EEST; 13min ago
       Docs: man:bluetoothd(8)
   Main PID: 19037 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 38262)
     Memory: 920.0K
        CPU: 21ms
     CGroup: /system.slice/bluetooth.service
             └─19037 /usr/lib/bluetooth/bluetoothd

окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Starting SDP server
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Bluetooth management interface 1.21 initialized
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSink/sbc
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSource/sbc
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSink/sbc_xq_453
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSource/sbc_xq_453
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSink/sbc_xq_512
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSource/sbc_xq_512
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSink/sbc_xq_552
окт 16 17:12:21 travelmate-p2 bluetoothd[19037]: Endpoint registered: sender=:1.112 path=/MediaEndpoint/A2DPSource/sbc_xq_552
~

hcitool dev && hcitool scan && hcitool lescan

 
Devices:
	hci0	64:6E:E0:C2:06:13
Scanning ...
	70:3A:51:23:B6:4B	Redmi
Set scan parameters failed: Operation not permitted

hciconfig -a

 hci0:	Type: Primary  Bus: USB
	BD Address: 64:6E:E0:C2:06:13  ACL MTU: 1021:4  SCO MTU: 96:6
	UP RUNNING PSCAN 
	RX bytes:22667 acl:0 sco:0 events:3367 errors:0
	TX bytes:813914 acl:0 sco:0 commands:3354 errors:0
	Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH SNIFF 
	Link mode: PERIPHERAL ACCEPT 
	Name: 'travelmate-p2'
	Class: 0x7c010c
	Service Classes: Rendering, Capturing, Object Transfer, Audio, Telephony
	Device Class: Computer, Laptop
	HCI Version: 5.2 (0xb)  Revision: 0x27a4
	LMP Version: 5.2 (0xb)  Subversion: 0x27a4
	Manufacturer: Intel Corp. (2)

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#2 2021-10-24 08:05:30

Vadosssss
Member
Registered: 2021-10-16
Posts: 2

Re: Bluetooth not discover LE devices (Intel AX201)

It was fixed by using btmgmt. Just type le on and all works. But have another problem. Connection to my logi m590 can't stay after turn off mouse/turn off laptop. I can not reconnect to the mouse after disconnecting it. And btmgmt settings resets after reboot.

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