Public bug reported: I follow this bug, and still happend
https://bugs.launchpad.net/ubuntu/+source/bluez/+filebug/e91ee546-b48f- 11ea-a86b-68b5996a96c8 dpkg --status bluez | grep '^Version:' Version: 5.53-0ubuntu3 cat /etc/*-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=20.04 DISTRIB_CODENAME=focal DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS" NAME="Ubuntu" VERSION="20.04 LTS (Focal Fossa)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04 LTS" VERSION_ID="20.04" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal UBUNTU_CODENAME=focal ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: bluez 5.53-0ubuntu3 ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41 Uname: Linux 5.4.0-37-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Jun 22 10:54:05 2020 InstallationDate: Installed on 2020-05-19 (33 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) InterestingModules: rfcomm bnep btusb bluetooth MachineType: LENOVO 20NYS04V00 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-37-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7 SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/27/2020 dmi.bios.vendor: LENOVO dmi.bios.version: N2JET87W (1.65 ) dmi.board.asset.tag: Not Available dmi.board.name: 20NYS04V00 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2JET87W(1.65):bd03/27/2020:svnLENOVO:pn20NYS04V00:pvrThinkPadT490s:rvnLENOVO:rn20NYS04V00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T490s dmi.product.name: 20NYS04V00 dmi.product.sku: LENOVO_MT_20NY_BU_Think_FM_ThinkPad T490s dmi.product.version: ThinkPad T490s dmi.sys.vendor: LENOVO hciconfig: hci0: Type: Primary Bus: USB BD Address: 04:ED:33:30:BC:12 ACL MTU: 1021:4 SCO MTU: 96:6 UP RUNNING RX bytes:2532201 acl:38232 sco:36899 events:9437 errors:0 TX bytes:4236888 acl:2223 sco:36783 commands:6938 errors:0 mtime.conffile..etc.bluetooth.input.conf: 2020-06-10T09:52:46.145873 mtime.conffile..etc.bluetooth.main.conf: 2020-06-04T16:03:04.084396 ** Affects: bluez (Ubuntu) Importance: Undecided Status: New ** Tags: a2dp amd64 and apport-bug bluetooth focal mic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1884547 Title: can't activate the bluethooth headsed with a2dp sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1884547/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs