There are two problems in your logs that might be relevant:
1. Timeouts:
[1666806.664899] Bluetooth: hci0: command 0x200c tx timeout
[1666808.680839] Bluetooth: hci0: command 0x0401 tx timeout
2. BlueZ crashed:
[1666867.068257] bluetoothd[9515]: segfault at 0 ip 0000556e0bc36576 sp
00007fff1afb5c40 error 4 in bluetoothd[556e0bbcd000+f3000]
But since this bug is a couple of years old already, please tell us if
you still experience it.
** Changed in: pulseaudio (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1789758
Title:
bluetooth headphones a2dp profile does not function after suspend,
only HSP
Status in pulseaudio package in Ubuntu:
Incomplete
Bug description:
1) lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
2) $ apt-cache policy bluez
bluez:
Installed: 5.48-0ubuntu3.1
Candidate: 5.48-0ubuntu3.1
Version table:
*** 5.48-0ubuntu3.1 500
500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
100 /var/lib/dpkg/status
5.48-0ubuntu3 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
3) bluetooth headphones stay working in a2dp mode even after suspend
4) bluetooth headphones connect but no sound will come out of a2dp
mode, only in HSP profile
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: bluez 5.48-0ubuntu3.1
ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18
Uname: Linux 4.15.0-30-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 29 18:07:26 2018
InstallationDate: Installed on 2018-05-26 (95 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180525)
InterestingModules: rfcomm bnep btusb bluetooth
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-30-generic
root=UUID=9e84ffd4-d629-4dcd-a6c4-6648d1a34665 ro quiet splash vt.handoff=1
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/16/2015
dmi.bios.vendor: Intel Corp.
dmi.bios.version: RKPPT10H.86A.0041.2015.0316.1442
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: D53427RKE
dmi.board.vendor: Intel Corporation
dmi.board.version: G87971-406
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrRKPPT10H.86A.0041.2015.0316.1442:bd03/16/2015:svn:pn:pvr:rvnIntelCorporation:rnD53427RKE:rvrG87971-406:cvn:ct3:cvr:
dmi.product.family: To be filled by O.E.M.
hciconfig:
hci0: Type: Primary Bus: USB
BD Address: 48:51:B7:07:93:F5 ACL MTU: 1021:5 SCO MTU: 96:5
DOWN
RX bytes:5617087 acl:790 sco:22622 events:634625 errors:0
TX bytes:540631745 acl:632348 sco:22584 commands:537 errors:0
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