This is a command-line that is useful for manually exercising the org.bluez DBus activiation. It might reproduce the timeout or otherwise give useful clues. Command should be all on one line (ignore Launchpad line wrapping):
dbus-send --system --print-reply --dest=org.bluez / org.freedesktop.DBus.ObjectManager.GetManagedObjects I won't reproduce the entire output here but this is the initial part when a BT hci device is available: method return time=1522790434.404190 sender=:1.2 -> destination=:1.399 serial=821 reply_serial=2 array [ dict entry( object path "/org/bluez" array [ dict entry( string "org.freedesktop.DBus.Introspectable" array [ ] ) dict entry( string "org.bluez.AgentManager1" array [ ] ) dict entry( string "org.bluez.ProfileManager1" array [ ] ) ] ) dict entry( object path "/org/bluez/hci0" -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1754836 Title: Xubuntu: ERROR:dbus.proxies:Introspect error on org.bluez:/org/bluez: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.TimedOut: Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms) Status in blueman package in Ubuntu: New Status in bluez package in Ubuntu: Confirmed Status in pulseaudio package in Ubuntu: Confirmed Bug description: Xubuntu seeing long first time boot to desktop from login. Also causing the long time to desktop from try/install livesession dialogue. Including xsession-errors from the first time boot on installed system. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: bluez 5.48-0ubuntu3 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: XFCE Date: Sat Mar 10 11:32:59 2018 InstallationDate: Installed on 2018-03-08 (1 days ago) InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) InterestingModules: bluetooth MachineType: NOVATECH LTD MBB-44608 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=8d9f054a-4c7a-481f-966e-fc2cd6f51aca ro quiet splash SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/19/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F5 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: H81M-DS2V dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: 7383241-001 dmi.chassis.type: 3 dmi.chassis.vendor: NOVATECH LTD dmi.chassis.version: V1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5:bd06/19/2014:svnNOVATECHLTD:pnMBB-44608:pvrV1.0:rvnGigabyteTechnologyCo.,Ltd.:rnH81M-DS2V:rvrTobefilledbyO.E.M.:cvnNOVATECHLTD:ct3:cvrV1.0: dmi.product.family: AMI PLATFORM dmi.product.name: MBB-44608 dmi.product.version: V1.0 dmi.sys.vendor: NOVATECH LTD hciconfig: rfkill: syslog: Mar 10 11:30:16 test-MBB-44608 NetworkManager[679]: <info> [1520681416.8951] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-device-plugin- bluetooth.so) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/blueman/+bug/1754836/+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