rtl8761 bluetooth adapter unable to view devices

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dannytom
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Joined: Sun Jan 23, 2022 5:03 pm

rtl8761 bluetooth adapter unable to view devices

Post by dannytom »

I have a USB 5.1 Bluetooth adapter (EVEO BT5.1) by EVEO and it shows to have a Realtek 8761 chipset. So I installed the 8761 firmware and it seems to be running but when I scan, it doesnt find anything and my other devices cannot even see this adapter. I have looked all over and just cant figure this one out. Maybe someone here might have some insight as to what I might be overlooking... included are some outputs ...

if there is anywhere else I should look on my system, im all ears...

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System Information
	Manufacturer: Hewlett-Packard
	Product Name: HP ENVY 15 Notebook PC

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$ cat /etc/*release
DISTRIB_ID=LinuxMint
DISTRIB_RELEASE=20.3
DISTRIB_CODENAME=una
DISTRIB_DESCRIPTION="Linux Mint 20.3 Una"
NAME="Linux Mint"
VERSION="20.3 (Una)"
ID=linuxmint
ID_LIKE=ubuntu
PRETTY_NAME="Linux Mint 20.3"
VERSION_ID="20.3"
HOME_URL="https://www.linuxmint.com/"
SUPPORT_URL="https://forums.linuxmint.com/"
BUG_REPORT_URL="http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/"
PRIVACY_POLICY_URL="https://www.linuxmint.com/"
VERSION_CODENAME=una
UBUNTU_CODENAME=focal

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$ dmesg | egrep -i 'usb 3-2|bluetooth|firmware'
[    0.111080] Spectre V2 : Enabling Restricted Speculation for firmware calls
[    0.148481] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[   22.145302] rtl8188ee: Using firmware rtlwifi/rtl8188efw.bin
[  143.909413] usb 3-2: new full-speed USB device number 3 using xhci_hcd
[  144.058516] usb 3-2: New USB device found, idVendor=2550, idProduct=8761, bcdDevice= 2.00
[  144.058529] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  144.058534] usb 3-2: Product: Bluetooth Radio
[  144.058537] usb 3-2: Manufacturer: Realtek
[  144.058541] usb 3-2: SerialNumber: 00E04C239987
[  144.220868] Bluetooth: Core ver 2.22
[  144.220914] Bluetooth: HCI device and connection manager initialized
[  144.220922] Bluetooth: HCI socket layer initialized
[  144.220924] Bluetooth: L2CAP socket layer initialized
[  144.220928] Bluetooth: SCO socket layer initialized
[  144.527089] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[  144.527096] Bluetooth: BNEP filters: protocol multicast
[  144.527102] Bluetooth: BNEP socket layer initialized
[  144.656747] Bluetooth: RFCOMM TTY layer initialized
[  144.656764] Bluetooth: RFCOMM socket layer initialized
[  144.656789] Bluetooth: RFCOMM ver 1.11

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$ systemctl | grep -i blue
  sys-devices-pci0000:00-0000:00:14.0-usb3-3\x2d2-3\x2d2:1.0-bluetooth-hci0.device         loaded active plugged   /sys/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/bluetooth/hci0         
  sys-subsystem-bluetooth-devices-hci0.device                                              loaded active plugged   /sys/subsystem/bluetooth/devices/hci0                                        
  bluetooth.service                                                                        loaded active running   Bluetooth service                                                            
  bluetooth.target                                                                         loaded active active    Bluetooth

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$ sudo /etc/init.d/bluetooth status
● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2022-01-23 14:31:39 CST; 1h 5min ago
       Docs: man:bluetoothd(8)
   Main PID: 1661 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 9278)
     Memory: 1.6M
     CGroup: /system.slice/bluetooth.service
             └─1661 /usr/lib/bluetooth/bluetoothd

Jan 23 14:31:39 mint20 systemd[1]: Starting Bluetooth service...
Jan 23 14:31:39 mint20 bluetoothd[1661]: Bluetooth daemon 5.53
Jan 23 14:31:39 mint20 systemd[1]: Started Bluetooth service.
Jan 23 14:31:39 mint20 bluetoothd[1661]: Starting SDP server
Jan 23 14:31:39 mint20 bluetoothd[1661]: Bluetooth management interface 1.20 initialized
Jan 23 14:31:39 mint20 bluetoothd[1661]: Endpoint registered: sender=:1.52 path=/MediaEndpoint/A2DPSink/sbc
Jan 23 14:31:39 mint20 bluetoothd[1661]: Endpoint registered: sender=:1.52 path=/MediaEndpoint/A2DPSource/sbc

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$ lsusb && lspci && rfkill list all && mokutil --sb-state
Bus 002 Device 003: ID 138a:0050 Validity Sensors, Inc. Swipe Fingerprint Sensor
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f2:b3a6 Chicony Electronics Co., Ltd 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 04e8:6860 Samsung Electronics Co., Ltd Galaxy series, misc. (MTP mode)
Bus 003 Device 003: ID 2550:8761 Realtek Bluetooth Radio
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 4 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network Adapter (rev 01)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no
SecureBoot disabled

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$ lsmod | grep blue
bluetooth             651264  41 btrtl,btintel,btbcm,bnep,btusb,rfcomm
ecdh_generic           16384  2 bluetooth

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$ hciconfig -a
hci0:	Type: Primary  Bus: USB
	BD Address: 00:E0:4C:19:C7:23  ACL MTU: 1021:6  SCO MTU: 255:12
	UP RUNNING PSCAN ISCAN 
	RX bytes:6610 acl:0 sco:0 events:1020 errors:0
	TX bytes:12674 acl:0 sco:0 commands:868 errors:0
	Features: 0xff 0xff 0xff 0xfe 0xdb 0xfd 0x7b 0x87
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH HOLD SNIFF PARK 
	Link mode: SLAVE ACCEPT 
	Name: 'Linux Mint 20.3'
	Class: 0x1c010c
	Service Classes: Rendering, Capturing, Object Transfer
	Device Class: Computer, Laptop
	HCI Version: 5.1 (0xa)  Revision: 0xb
	LMP Version: 5.1 (0xa)  Subversion: 0x8761
	Manufacturer: Realtek Semiconductor Corporation (93)
Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 1 time in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.
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