Additional. I got my hands on a different brand of headphones (Anker) to see if the manufacturer was the issue.
I still have the same problem. TL;DR: Clean install of Eoan, bluetooth pairs then bluetooth restarts, over and over. Sometimes, I'm lucky and it will stay connected. Most of the time it restarts. Same machine and headphones work fine under Windows 8.1 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1860935 Title: Unable to pair to Bluetooth earbuds on Eoan (MPOW M5) Status in alsa-driver package in Ubuntu: New Bug description: This is a clean install of Eoan (although I have copied the home directory files from my previous installation, though I don't think that should affect this problem) A fresh pairing attempt gives this in the syslog: ``` Jan 26 20:46:37 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:37 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy Jan 26 20:46:37 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:37 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy Jan 26 20:46:38 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:38 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy Jan 26 20:46:38 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:38 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy Jan 26 20:46:39 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:39 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy Jan 26 20:46:40 johnny-W35xSS-370SS bluetoothd[887]: connect error: Connection refused (111) Jan 26 20:46:40 johnny-W35xSS-370SS bluetoothd[887]: a2dp-source profile connect failed for 9A:25:5B:01:32:A8: Device or resource busy ``` ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13 Uname: Linux 5.3.0-26-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: johnny 1571 F.... pulseaudio /dev/snd/controlC1: johnny 1571 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Sun Jan 26 20:47:40 2020 InstallationDate: Installed on 2020-01-25 (1 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: Bluetooth sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/08/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: Tag 12345 dmi.board.name: W35xSS_370SS dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd04/08/2014:svnNotebook:pnW35xSS_370SS:pvrNotApplicable:rvnNotebook:rnW35xSS_370SS:rvrNotApplicable:cvnNotebook:ct9:cvrN/A: dmi.product.family: Not Applicable dmi.product.name: W35xSS_370SS dmi.product.sku: Not Applicable dmi.product.version: Not Applicable dmi.sys.vendor: Notebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1860935/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp