Questions tagged [bluez]

Questions related to BlueZ, the official Linux Bluetooth protocol stack.

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16 views

When I pair my Bluetooth speaker, Bluetooth automatically turns off

When I pair my Bluetooth speaker (JBL 5) to my laptop (ASUS Inspiron N751JK with Ubuntu 18.04) the Bluetooth device automatically restarts (turns off and on again). I mention that I have bluez version ...
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21 views

Why bluetooth audio stops, then starts again (log file clearly shows the two states)

My system is Lenovo G50 with Ubuntu 20.04 64bit (8Gb RAM). After a fresh install of the OS I had bluetooth issue like always. This time I somehow managed to get the bt mouse and the bt headphones to ...
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48 views

Bluetooth devices not getting connected Ubuntu 18.04

Although my laptop is being able to detect and pair with my headphones, they don't get connected after pairing. I updated bluez using the following code sudo add-apt-repository ppa:bluetooth/bluez ...
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33 views

Why do my BT headphones default to HSP/HFP upon connection >80% of the time?

I'm using Ubuntu 19.10 on a Dell XPS 13 9380. I've looked everywhere, even gone so far as digging through the Bluez source online to find the exact line of code or configuration that causes this ...
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74 views

Bluetooth disconnects automatically when connected with Redmi airdots

When I connect Bluetooth with Redmi Airdots, Bluetooth turns off in just 5 to 7 seconds. And then automatically turns on. I don't know whats the reason. Moreover, I'm new to Linux/ubuntu and I don't ...
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32 views

Ubuntu 19.10 stuttering sound via Bluetooth

My system suffers this issue for a long time now and I have not found a solution. So I like to provide all needed information to fix this problem, hopefully for now and any time being. The Issue is, ...
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60 views

“Alternate browser” to have Bluez/Blueman support browsing files in a mobile

Situation Using Ubuntu 16.04 I managed to activate the connection between a desktop computer and a Nokia 206 (with Bluetooth standard 2.1 EDR) mobile via a Bluetooth dongle. Please take note: The ...
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18 views

Bluetooth speaker is not able to connect

I am using Ubuntu 16.04 LTS. I have a BLAUPKUNT Bluetooth speaker. It's not connecting to my laptop. Also, the ON/OFF switch which appears in the BlueTooth devices list in Bluetooth manager is ...
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164 views

CSR/Qualcomm USB Bluetooth 5.0 not working on Ubuntu 18.04

I am unble to bring up USB bluetooth 5.0 dongle in Ubuntu/Fedora. I have tried all the google methods hciconfig hci0 reset hciconfig hci0 up rfkill unblock all start bluetoothd restart OS ubuntu 18....
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1answer
44 views

Why is there no pulse-audio sink created after connection to bluetooth device

I'm using Ubuntu 16.04.6 LTS. There is no pulse-audio sink created after connection to bluetooth device : Here's what I do : $ bluetoothctl [NEW] Controller 00:1A:7D:DA:71:04 sebastien-B206 [...
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79 views

How to make bluetooth audio work with Ubuntu 19.10?

Inspired by this article I tried to use my Samsung U Flex bluetooth headsets but I failed. It is not shown in the list of available devices although the headphones are put in the pairing mode and the ...
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184 views

bluez v5.50 - Cannot connect to Bluetooth earphones on Ubuntu 19.10

I have been running Ubuntu 19.10 for months on my notebook without a problem connecting my Bose Soundsport earphones. However, starting from a few days ago I could not connect the earphones using the ...
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48 views

Problems with Insignia Bluetooth mouse continually losing connection, then restablishes. HID connection errors

I have recently moved from 18.04 to 19.04 and started having problems with my Insignia Bluetooth mouse maintaining its connection. Looking at /var/log/syslog, it appears the root cause is the HID ...
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45 views

How can I fix Ubuntu not detecting my internal Bluetootth Interface Card?

I am new on AskUbuntu. I would like to ask if anybody has evere encountered and fixed my same problem. I have an ASUS N56JN and I am dualbooting Ubuntu with Windows10. Windows is correctly working ...
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35 views

I cannot connect to bluetooth device : the bluetooth service seems faulty on Ubuntu 16.04 LTS

I cannot succeed connecting to my "PROZOR RX5.0" anymore (no idea why) : $ bluetoothctl [NEW] Controller 00:1A:7D:DA:71:04 sebastien-B206 [default] [NEW] Device 97:40:B1:EF:BD:54 PROZOR RX5.0 [...
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139 views

Bluetooth headphones crashes laptop

When I'm working I listen to music over my Bluetooth headphones (Sennheiser HD 4.40) through Spotify. After some random minutes I hear a bit of a delay in the music, my Bluetooth mouse is lagging and ...
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60 views

Bluetooth stopped working after messing up with drivers

I am an Ubuntu 18.04 user that is dual booted with Windows 10. The Bluetooth service worked fine until I messed up with the sources.txt file and also tried to install some driver in order to make the ...
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159 views

Ubuntu 19.10 - Issues with bluetooth connecting then immediately disconnecting

When I was on Ubuntu 18.04 I had the same issue, and after trying multiple thing online (related to bluez) I was able to make it work. But I had to reinstall that Ubuntu and install a new Ubuntu 19....
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195 views

Unable to search for Bluetooth devices

After I switch on Bluetooth on Ubuntu 18.04, it's not able to search any devices. I ran rfkill list, and all was unblocked. rfkill list all 0: dell-rbtn: Wireless LAN Soft blocked: no Hard ...
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479 views

Unable to connect any bluetooth devices, but devices found

Kernel version: 5.0.0-37-generic. Using a wifi/ bluetooth intel card. Firmware is installed. Wifi is working probably. Rfkill is unblocked. I am very new to linux, and have read many similar ...
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1k views

Bluetooth headset pairs successfully, but does not play audio (18.04)

I'm trying to connect a bluetooth headset (Insignia NS-CAHBTEB01-B) to my computer, which is running an up-to-date install of Kubuntu 18.04. Everything seems to go smoothly at first -- I am able to ...
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1answer
117 views

Bluez stuck at high CPU and bluetooth not working

I am trying to get bluetooth running according to https://wiki.ubuntuusers.de/Bluetooth/Einrichtung/. However, as soon as I install bluez, the process bluetoothd takes very high CPU share and wont ...
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1k views

Cannot connect Airpods to 19.04 as Headset; can connect as Headphones

With Ubuntu 19.04, I try to connect some Airpods using Bluetooth. For that I've installed: Package: bluez Architecture: amd64 Version: 5.50-0ubuntu2 Multi-Arch: foreign Priority: optional Section: ...
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492 views

Bluez on DBus: Connection is not allowed / Name already in use

I am writing a BLE library for JavaScript and after I restarted my computer Bluez stopped working When I write bluetoothd -n I get this: ➜ bluetoothd -n bluetoothd[2728]: Bluetooth daemon 5.48 D-...
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1answer
431 views

19.04 bluetooth adapter goes missing after sleep

summary of the problem: bluetooth stops working upon resume from a "sleep", on 19.04 (using latest bluez version that is available right now) hardware / software: Description: Ubuntu 19.04 % ...
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1answer
1k views

Logitech M720 mouse pairs and connects but doesn't do anything

I have read Logitech MX Anywhere 2 mouse pairs but doesn't do anything and tried using bluetoothctl to get my M720 set up. It's not working, to summarize. I've also got an M557 which does work, so I ...
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1answer
523 views

Bluetooth not working on Ubuntu Gnome 19.04

I built my own PC a few months back however, both the sound and Bluetooth have not worked. With Bluetooth, in settings, the option to turn on Bluetooth is greyed out and won't let me turn it on. If ...
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30 views

Turning on Bluetooth headphones resets keyboard

I have a pair of Bluetooth noise canceling headphones (Bose QC 35s if that's important) and whenever I turn them on they cause my keyboard and mouse settings to be reset back to default, which is ...
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77 views

Sound and Bluetooth do not work on Ubuntu Gnome 19.04

I built my own PC a few months back however, both the sound and Bluetooth have not worked. With sound, if I go to the settings, the output device is found and the volume is turned on but if i test ...
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39 views

Bluez 5 Disable Auto re-connection

I have configured bluez5 to use as A2DP and HFP profiles with the help of pulseaudio and ofono. Normally, when a device gets out of range that device disconnects (visible from bluetoothctl info). When ...
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134 views

Bluetooth headphones connected but not playing audio

I have the Audio Technicas ANC900BT They show as paired but for some reason nothing is playing, it will occasionally show as connected, but then I'll go into a youtube video and no sound will come out ...
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386 views

No default controller available bluetoothctl

I am having a strange issue with my bluetooth (headset). It connect but then the connection drops only on HSP/HFP profile and I won't be able to connect again and Bluetooth is disabled and can't ...
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2answers
213 views

Bluetooth is neither scanning devices nor visible in 18.04

Today only I installed Ubuntu 18.04 but I am facing issue of Bluetooth. Everything seems to be fine in it but while scanning, process continues for infinite time and not able to scan any device and ...
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1answer
3k views

Cannot find Bluetooth device - Ubuntu Core on Raspberry PI 3 B+

I don't see any bluetooth devices when I install the bluez snap and use either hcitool which results in nothing: $ sudo hcitool dev Devices: $ or bluetoothctl: $ sudo bluetoothctl Agent registered [...
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115 views

Can't get Bluetooth to work on Asus laptop

Before I switched my laptop to Ubuntu I had Bluetooth capability; but, now I can't get it to work. When I open Bluetooth, I get an error telling me bluez daemon is not running. I have followed the ...
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32 views

Bluetooth headset not discovered

I tried connecting my bluetooth headset to my Ubuntu 19.04 but didn't succeeded. However, it is able to connect my android phone and my android phone is able to connect my BT headset. So, there is ...
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375 views

How to permanently configure bluetooth hci device to run in piscan mode

I am trying to scan classic bluetooth devices using hcitool scan. hciconfig of my device is hci0: Type: Primary Bus: USB BD Address: 9C:B6:D0:3B:22:A8 ACL MTU: 1024:8 SCO MTU: 50:8 UP ...
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216 views

Bluetooth Operation already in progress… Error

Sorry, I'm a beginner on Ubuntu 18.10, also my English is not very good, but I will try my best. I bought a USB Bluetooth 4.0 dongle. When I plug the USB, everything is OK, the Bluetooth shows up. ...
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1answer
737 views

Bluetooth manager can't find new Bluetooth mouse, but my phone can

Running 18.04. I had been using a Bluetooth mouse for a couple months, but it stopped working one day and I assumed it had died because I couldn't find it as a Bluetooth device from my phone or a ...
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2answers
8k views

Connection to Bluez failed [closed]

When I start Bluetooth Manager, I get this Connection to Bluez failed. bluez daemon is not running, blueman-manager cannot continue... I tried re-installing bluez and blueman. I have several ...
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0answers
469 views

Bluetooth suddenly stops working Ubuntu 18.04

Bluetooth randomnly stopped working once i started my laptop. The "Adapter" tab is disabled in BluetoothManager. This is the output for the following : sudo systemctl status bluetooth ● bluetooth....
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0answers
791 views

Stable solution for Bluetooth connecting issue

I can see the Bluetooth connecting issue (More common with Bluetooth headset/speaker) is common problem in Ubuntu or Linux. (I use ubuntu 18.04). I could not get a fixed solution for that. I have a ...
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0answers
2k views

Ubuntu 18.10 Can't connect an Xbox controller via bluetooth

Recently, I've been unable to connect my Xbox One S gamepad via bluetooth. In the past, I had to delete (unpair) and then pair the gamepad again in order to get it to connect, but lately it doesn't ...
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1answer
2k views

Bluetoothctl can't find default device but hciconfig / hcitool can see my device

I was using BlueZ-5.49 at Linux with HCI-UART controller (Nordic Zephyr project). I already use btattach to connect with my adapter and can do scan through hcitool. $ hciconfig -a @ RAW Open: ...
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29 views

Use a2dp profile to have headphones be used as input [duplicate]

I was wondering if it's possible to use my headphones+microphone just as a microphone using a2dp profile. I have problems using HSP because the quality of sound is very poor so i was thinking of ...
2
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1answer
2k views

Upgrade to 18.x bluetooth problems: hci0: last event is not cmd complete (0x0f)

Since I've upgraded tot Ubuntu 18.04 (and afterwards to 18.10) I'm having problems with Bluetooth connection. For instance, the music with my Bluetooth speaker lags seriously. Upon investigating ...
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0answers
115 views

Bluetooth mouse does not reconnect

I have a Microsoft Wedge Touch Mouse that I can connect to both an Ubuntu 14.04 and an Ubuntu 18.04 systems. When the 14.04 system resets, wakes up or powers on, the mouse will reconnect automatically....
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1answer
791 views

Microsoft Sculpt Mouse connection issue

I recently updated to 18.04 and now I have problems with a mouse that I used before without any issues. I already tried updating my bluez Version to 5.50 but that didn't help. After the PC went to ...
2
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0answers
250 views

Bluetooth Network access point setup

I want to setup a ubuntu device as bluetooth NAP, then other linux device(Raspberry pi or UDOO) can access the internet by connecting the ubuntu device using bluetooth. My ubuntu device is server iso,...
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1answer
3k views

Installing BlueZ 5.50 doesn't update bluetoothd

I'm trying to install BlueZ 5.50 on Ubuntu 16.04 because I need MIDI support. I compiled and installed it as follows: sudo apt-get install libudev-dev sudo apt-get install libical-dev sudo apt-get ...