Questions tagged [bluez]

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Android refuses to connect to AVRCP service (BlueZ-5.69)

I have an old car with no native Bluetooth for audio, so to use my phone for music, I have a Bluetooth receiver connected to the 3.5mm aux jack in my car. The problem is controlling the playback on ...
Patrik's user avatar
  • 61
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8 views

Bluetoth LE and Linux

I recently bought a Bluetooth LE keyboard and was able to connect to it only once with my Ubuntu 22.04 Thinkpad X1 Tablet, with failed connections every other time. As far as I can tell command line ...
brett stevens's user avatar
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0 answers
8 views

Fail to connect Bluetooth LE keyboard with bluetoothctl

I am running Ubuntu 20.04 on a Lenovo Thinkpad X1 Tablet gen 2. I recently bought a Lenovo Trackpoint Keyboard II which uses Bluetooth LE. Using a Stack Exchange post, I was able to get the ...
brett stevens's user avatar
0 votes
0 answers
17 views

Detecting bluetooth headphones connection with udev / bluez

What I'm trying to achieve: set bluetooth headphones as the default sink in pulseaudio when they are connected, and set back to laptop speakers when disconnected. Why: my laptop detects all four ...
GTF's user avatar
  • 123
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0 answers
6 views

Bluez way to tell if connected device has BT Classic, BLE or both

Is there a programmatic way to tell which transport layer (BD/BLE/Both) is used to connect to dev? I use sd_bus lib with C++ to handle DBus calls and signals. Thanks!
JWZ1996's user avatar
  • 41
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16 views

AVRCP volume change event fails in bluez 5.49

While connecting device with One plus phones, I am facing volume sync issue. Phone does not give absolute volume changes to device. I suspect while connection happening, Some capabilities exchange ...
Abdul Asik's user avatar
0 votes
1 answer
25 views

Bluez + BlueAlsa: AVRCP commands not received

I cannot see any AVRCP communication when using dbus-monitor. Not a single signal nor property changed. I use Bluez 5.68 and BlueAlsa v4.1.0-7-ge6218b5 Logs on BT speaker connection: Aug 02 10:18:03 ...
JWZ1996's user avatar
  • 41
1 vote
1 answer
121 views

Bluetooth keyboard/mouse issue on Alpine Linux

I'm using Alpine Linux with the following bluetooth related packages installed: bluez-5.68-r1 x86_64 {bluez} (GPL-2.0-or-later AND BSD-2-Clause AND MIT) [installed] bluez-btmgmt-5.68-r1 x86_64 {bluez} ...
Invarianz's user avatar
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23 views

Pairing of bluetooth device fails although PIN should be ok

I am attempting to pair a DataLogic QBT2400 Scanner to a Linux Host system (a Kubuntu 22.04 box). The scanner should support the bluetooth serial port profile. I do see the scanner, but pairing always ...
user52366's user avatar
  • 201
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0 answers
16 views

Debian based arm SBC can not use bluetooth

I have arm64 SBC with Debian 11 installed on it. As a communication I need to use bluetooth, for which sparkfun WPEQ-261ACNI(BT) was provided. it uses qualcomm chip on it and Debian 11 detect the wifi ...
silent-mobius's user avatar
2 votes
0 answers
181 views

How to use serial communication over bluetooth (using linux kernel 5.10 and bluez 5.55)

Basically I want to use a serial interface of a bluetooth device. In my particular example its the meshtastic-matrix-relay connecting via serial/bluetooth to a RAK4631 (NRF52 based) device. The ...
Christoph Lösch's user avatar
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0 answers
73 views

MAC detection in bluetooth

I have bluetooth dongle connected to my system which is having kali linux installed on VM . Now in kali linux When i run hcitool or l2ping command it detects other bluetooth devices mac addresses but ...
rahul sharma's user avatar
2 votes
0 answers
109 views

Difference between bluetoothctl "power off" and kernel "state = 0"

I usually switch off my bluetooth adapter using bluetoothctl power off. Recently, I noticed that /sys/class/bluetooth/hci0/rfkill0/state still is 1, so the kernel considers the bluetooth adapter to be ...
severin's user avatar
  • 121
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0 answers
48 views

Which numbers of those displayed by bluetoothctl are the attribute handles?

bluetoothctl is displaying the following information (once connected to an ESP32 BLE device): Primary Service (Handle 0x0920) /org/bluez/hci0/dev_0C_B8_15_F6_61_3E/service0028 000000ff-0000-...
Martel's user avatar
  • 113
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0 answers
115 views

Optimize Bluetooth LE L2CAP throughput between Linux running bluer l2cat and iOS

In transferring a raw stream of data over Bluetooth LE L2CAP between Linux and iOS, I get a throughput of approx. 9 kilobyte payload per sec. I expected to be able to transfer approx. 25 kB/s. How can ...
jksoegaard's user avatar
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0 answers
23 views

How to add an own service to bluez and recover it when the periphal connects?

I am playing around with Zephyr and microcontrollers. So I created an own bt le device that offers an own unique service. Via bluetoothctl I like to access the characteristics and start playing with ...
Stefan Jaritz's user avatar
1 vote
0 answers
316 views

Changing default profile from A2DP to HSP on every new bluetooth headset using pipewire/wireplumber

I want to dynamically ensure every bluetooth headset are using HSP audio profile. I can easily set it manually but that has to be done actively for every device. I have attempted to change default ...
Jakob Kaae's user avatar
0 votes
0 answers
200 views

Unable to connect two identical Bluetooth devices simultaneously

I have two generic brand PS4 controllers. I am dual-booting my laptop with Windows 11 and Ubuntu 22.10 (Kubuntu) with kernel version 5.19.0-26-generic. I am using BlueZ version 5.65. From windows 11 I ...
Petahanks's user avatar
2 votes
0 answers
744 views

What does org.bluez.Error.Failed br-connection-timeout mean?

I am using a linux OS which uses bluez v5.64 and alsa. Whenever I try to connect to my bluetooth earphones, I get the following error:- Failed to connect: org.bluez.Error.Failed br-connection-timeout ...
L_R's user avatar
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0 answers
46 views

bluez immediately drops audio device

[bluetooth]# connect FC:58:FA:66:92:A8 Attempting to connect to FC:58:FA:66:92:A8 [CHG] Device FC:58:FA:66:92:A8 Connected: yes Failed to connect: org.bluez.Error.Failed br-connection-unknown [CHG] ...
Vorac's user avatar
  • 2,957
1 vote
1 answer
3k views

Bluetooth not recognized in debian testing

After performing a clean install of debian testing, installing the proprietary firmware, everything works fine, except bluetooth. This seems to be recognized only by lsusb: lsusb | grep Blue Bus 001 ...
Teo7's user avatar
  • 31
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0 answers
66 views

bluetooth clients limit on PAN linux

I'm trying to setup a PAN to create a bluetooth network for 4 clients, but unfortunally after the second client connects sucessfully, it doesn't accept more clients. Is there any limit configuration ...
RioHazuki's user avatar
0 votes
0 answers
638 views

Bluetooth on Linux - are there alternatives to bluez

I have pretty bad experience with bluez (sometimes it works, sometimes not), but are there any alternatives or scripts ? I want to connect Ubuntu to iPhone without Bluetooth passkey because I don't ...
MN_XD's user avatar
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1 vote
0 answers
87 views

I removed Bluez, but now cannot get back to GUI

Bluetooth has always been a problem. In the past, I tinkered with a few things in the command line and got it to work. then it stopped again, so I just left it alone. Well, it turns out I wanted to ...
user542453's user avatar
1 vote
0 answers
53 views

Which GTK libgio API's will allow a GATT client to read/write a characteristic?

I would like to connect with multiple similar BLE devices simultaneously, with one task (thread) accessing each device. I do: g_dbus_connection_signal_subscribe(...,"InterfacesAdded",...) ...
John Klug's user avatar
  • 303
1 vote
1 answer
143 views

Sony XM4 Disable Mich to Get Better Audio?

So I have the Sony XM4 and sometimes I see the headset bluetooth instead of the others which give me better quality 261 bluez_output.14_3F_A6_83_08_17.headset-head-unit PipeWire ...
jrock2004's user avatar
  • 131
1 vote
0 answers
287 views

Bluetooth mouse random lag

Cursor randomly freezes. Seems to lag more often when mouse moves often Mouse MX Anywhere 2S Ubuntu 21.10 bluetoothd 5.60 blueman-manager 2.2.2 Blueman applet disabled at startup USB suspend disabled. ...
ngc3o34's user avatar
  • 21
0 votes
1 answer
327 views

What is the alternative for bccmd?

I am trying to learn about Bluetooth stack. In many blogs, they mention a tool called bccmd. But when I download the package bluez and compile it, I didn't found it. It seems it was in the tools ...
kimaNO's user avatar
  • 37
0 votes
1 answer
3k views

Systemd cannot find bluetooth service

I am on Manjaro with kernel 5.15.28-1 My problem relates to bluetooth. I have bluez 5.61-1 (which I downgraded from 5.63-2). I can activate bluetooth with systemctl but not from a systemd service that ...
kart-able's user avatar
1 vote
1 answer
183 views

Bluez: Difference between "Connect()" method return and "Connected" signal

According to the Bluez API documentation (Device API) the return of the Connect() method indicates a successful connection of one or more profiles: void Connect() (skipped) If at least one profile ...
VL-80's user avatar
  • 198
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0 answers
128 views

Sending string using python in a raspberry pi 3b+ mesh connection via bluetooth

I am currently working with three raspi 3b+ that should have a mesh connection via Bluetooth. The devices sense a sound and will try to send it to the other devices. Now, my questions are: How will I ...
ambangeles's user avatar
3 votes
1 answer
4k views

Names of device not being shown in bluetoothctl

Bluetooth works like a charm on my machine. However, bluetoothctl doesn't show the device names in discovery. What's stranger is that when running bluetoothctl info <whatever-the-mac-adress-is>, ...
Eolien55's user avatar
1 vote
0 answers
797 views

Mouse (Logitech MX Anywhere 3) keeps changing its bluetooth MAC address on every pair

The problem: I pair my mouse over bluetooth and everything works fine I turn my mouse off, turn it back on, it does not connect I have to pair the mouse again The thing i noticed is, that on every ...
Siggi's user avatar
  • 11
2 votes
1 answer
1k views

Sony WH-1000XM4 Pipewire microphone forces the switch to mSBC

I recently purchased some headphones Sony WH-1000XM4. I have also switched from pulse to pipewire mostly for bluetooth auto-connect. I managed to connect them, but I have several issues (1 where LDAC,...
cosmin.danisor's user avatar
1 vote
2 answers
1k views

Bluetooth Adapter not found on Linux Mint

I have an HP Pavilion-15 laptop with Linux Mint and Windows in dual boot config and have been having bluetooth issues for a long while. Off-late my PC has been unable to detect any Bluetooth adapter ...
psk1993's user avatar
  • 11
1 vote
0 answers
303 views

How can I run a script via bluetooth and issue commands?

I am fairly new to Linux and I am trying to use beaglebone black (debian) to try and run a script via bluetooth that will allow me to issue some simple commands and have the board do stuff. I am able ...
sudomarq's user avatar
3 votes
1 answer
13k views

How to solve `bluez` connection attempts failing with `br-connection-adapter-not-powered`

My bluetooth controller appears in bluetoothctl: [bluetooth]# list Controller 08:D8:33:xx:xx:xx BlueZ 5.62 [default] But when I try to connect to a device it gives an error I haven't seen a mention ...
rakslice's user avatar
  • 1,147
10 votes
2 answers
8k views

Connecting to Bluetooth but Connection Failed: No audio endpoints registered

I do dual boot Kali-Linux with Windows11. So the problem is I want to connect with my Bluetooth speaker (JBL GO), but unfortunately I cannot connect. I use both GUI and CLI to connect to my speaker. ...
Andrew Virya Victorio's user avatar
1 vote
0 answers
84 views

Can't enable a pulse sink pointing to bluetooth headset

My qustion might be a dup of this one: Adding a pulse audio bluetooth sink configuration My situation: the device is paired, the pulse sink is created, it cannot be enabled. Details: Pairing: vorac@...
Vorac's user avatar
  • 2,957
1 vote
1 answer
943 views

Ubuntu / PopOS 21.04 intel 2760 Bluetooth audio randomly disconnects

I'm running into something which seems like a pretty exotic problem. The config is: Lenovo T440p with Intel 2760 WiFi/Bluetooth Ubuntu 20.04 -> updated to PopOS 20.04 -> updated to PopOs 21.04 ...
Vlad Dumitrache's user avatar
1 vote
0 answers
368 views

Making bluetooth adapter simulate bluetooth speaker

Use case: I have an Audio Technica turntable that can send a digital signal out over bluetooth. I want to be able to sample and/or digitize records, over bluetooth. When the turntable is in pairing ...
user717847's user avatar
1 vote
1 answer
913 views

How to make a Bluetooth Slave Device that Automatically connects

What I am trying to do is simple in concept: Make the linux computer be a bluetooth slave device that automatically accepts connections (from a phone). The overall goal is to connect automatically and ...
K W's user avatar
  • 11
0 votes
1 answer
796 views

Cannot get Bluetooth to work on Lenovo ThinkPad T15 Intel Gen 2 (Intel Wi-Fi 6E AX210 card) running Arch Linux

I hope someone here can help me get Bluetooth working on my Intel Wi-Fi 6E AX210 card (Lenovo ThinkPad T15 Intel Gen 2). I don't usually ask for help, but I'm at my wit's end now... Basic info about ...
Lonkey's user avatar
  • 1
2 votes
0 answers
4k views

Bluetooth Issues on PopOS 21.04

I am on PopOS 21.04. Until recently, everything was working perfectly, but after some updates, I could not enable bluetooth from the Settings panel. I tried enabling bluetooth from the command line ...
Nilanjan Mitra's user avatar
5 votes
3 answers
11k views

Impossible to set A2DP profile on bluetooth headset on Ubuntu 20.04

I know this was asked a lot of times, but honestly I've tried everything that I could find over the internet and still couldn't resolve this. I am a beginner user of Ubuntu 20.04 and I am having ...
labilouser's user avatar
-1 votes
1 answer
975 views

I uninstalled the bluetooth from linux mint

I accidentally uninstalled the bluetooth from my linux mint. and now i am not able to re-install again. I tried with : sudo apt-get install bluetooth bluez bluez-tools rfkill rfcomm the error I ...
Morad Abed's user avatar
1 vote
0 answers
405 views

btproxy fails to bind to Bluetooth socket while trying to proxy Bluetooth device to QEMU

I am following the guide for Zephyr to run on QEMU using the host system Bluetooth controller. I am on Ubuntu 20.10 which is lacking btproxy, so I built BlueZ as described in the guide linked below. I ...
Wouter's user avatar
  • 111
0 votes
1 answer
963 views

Bluetooth cannot connect to BT Keyboard

I recently invested in a new Intel NUC and put Arch Linux on it. I also invested in a Keychron K6 however I have hit a brick wall when it comes to connecting to it via Bluetooth. Here is what ...
Phillip Dews's user avatar
1 vote
0 answers
89 views

Configure bluetooth adapters individually

I have two bluetooth adapters on my laptop: one onboard and one usb dongle. I would like to configure them to have different defaults. For example, I want the onboard device to be brought up ...
shwoseph's user avatar
  • 315
0 votes
1 answer
521 views

Issues reconnecting to Bluetooth headphones in Fedora VM on Qubes OS

I have tried various ways to reconnect to my Bluetooth headphones in my Fedora VM after restarting my computer, but they all seem to either take a long time, or not work reliably. I have tried ...
Robin Green's user avatar
  • 1,250