You can ignore comment #29 now. The proper official fix for 18.04 is: https://launchpad.net/ubuntu/+source/bluez/5.48-0ubuntu3.1/+build/15084683
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1759628 Title: bluez regression: Bluetooth audio fails to reconnect after resume Status in bluez package in Ubuntu: Fix Released Status in bluez source package in Bionic: Fix Committed Status in bluez package in Fedora: Fix Released Status in Suse: Fix Released Bug description: [Impact] Users of Bluetooth audio have no sound after they suspend and resume the system. [Test Case] 1. Connect to Bluetooth audio device 2. Suspend & Resume 3. Reconnect to Bluetooth device. [Regression Potential] Low. Although common Bluetooth code is modified in the fix, it has been released as a patch in other distros for some time already. [Other Info] Already released to cosmic as part of bluez version 5.50. This regression in bluez 5.48 has already been identified and fixed upstream. Report is here <https://marc.info/?l=linux- bluetooth&m=151616078627045&w=2> and patch is here <https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=d6e9539e31c6bb5afd39ec6f09c518d232e6345d>. Syslog reports messages as follows when this issue is happening (I have replaced my device's MAC address with [MAC]): Mar 28 12:34:29 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information about device /org/bluez/hci0/dev_[MAC] is invalid Mar 28 12:34:29 cue bluetoothd[984]: Endpoint replied with an error: org.bluez.Error.InvalidArguments Mar 28 12:34:33 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information about device /org/bluez/hci0/dev_[MAC] is invalid Mar 28 12:34:33 cue bluetoothd[984]: Endpoint replied with an error: org.bluez.Error.InvalidArguments Workaround is to run sudo systemctl restart bluetooth after resume. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: bluez 5.48-0ubuntu3 ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7 Uname: Linux 4.15.0-12-generic x86_64 ApportVersion: 2.20.9-0ubuntu1 Architecture: amd64 CurrentDesktop: KDE Date: Wed Mar 28 12:37:11 2018 InstallationDate: Installed on 2018-03-23 (5 days ago) InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) InterestingModules: rfcomm bnep btusb bluetooth MachineType: Hewlett-Packard HP ProBook 640 G1 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-12-generic root=/dev/mapper/internal-root ro quiet splash vt.handoff=1 SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/25/2018 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: L78 Ver. 01.43 dmi.board.name: 2101 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 16.3C dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrL78Ver.01.43:bd01/25/2018:svnHewlett-Packard:pnHPProBook640G1:pvrA3009DD10303:rvnHewlett-Packard:rn2101:rvrKBCVersion16.3C:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=PRO dmi.product.name: HP ProBook 640 G1 dmi.product.version: A3009DD10303 dmi.sys.vendor: Hewlett-Packard hciconfig: hci0: Type: Primary Bus: USB BD Address: 80:00:0B:C7:4D:1C ACL MTU: 310:10 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:5025 acl:32 sco:0 events:202 errors:0 TX bytes:5785 acl:32 sco:0 commands:103 errors:0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1759628/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp