It sounds like this file is corrupt: [/lib/systemd/system/bluetooth.service:1] Missing '='.
So please: 1. Attach a copy of your /lib/systemd/system/bluetooth.service 2. Run this command: dpkg -l > packages.txt and attach the resulting file 'packages.txt'. ** Changed in: bluez (Ubuntu) Status: New => Incomplete -- 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/1891853 Title: package bluez 5.37-0ubuntu5.3 [modified: lib/systemd/system/bluetooth.service usr/lib/bluetooth/bluetoothd usr/lib/bluetooth/mpris-proxy] failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 Status in bluez package in Ubuntu: Incomplete Bug description: system crashes ProblemType: Package DistroRelease: Ubuntu 16.04 Package: bluez 5.37-0ubuntu5.3 [modified: lib/systemd/system/bluetooth.service usr/lib/bluetooth/bluetoothd usr/lib/bluetooth/mpris-proxy] ProcVersionSignature: Ubuntu 4.15.0-101.102~16.04.1-generic 4.15.18 Uname: Linux 4.15.0-101-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.24 Architecture: amd64 Date: Mon Aug 17 14:09:02 2020 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2018-04-09 (861 days ago) InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) InterestingModules: bluetooth ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-101-generic root=UUID=33a2f2d6-ab6a-41bd-ac34-7add23ccb34e ro quiet splash RelatedPackageVersions: dpkg 1.18.4ubuntu1.6 apt 1.2.32ubuntu0.1 SourcePackage: bluez Title: package bluez 5.37-0ubuntu5.3 [modified: lib/systemd/system/bluetooth.service usr/lib/bluetooth/bluetoothd usr/lib/bluetooth/mpris-proxy] failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/23/2007 dmi.bios.vendor: Intel Corp. dmi.bios.version: PRG3110H.86A.0026.2007.0823.1840 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: DG31PR dmi.board.vendor: Intel Corporation dmi.board.version: AAD97573-203 dmi.chassis.type: 2 dmi.modalias: dmi:bvnIntelCorp.:bvrPRG3110H.86A.0026.2007.0823.1840:bd08/23/2007:svn:pn:pvr:rvnIntelCorporation:rnDG31PR:rvrAAD97573-203:cvn:ct2:cvr: hciconfig: rfkill: syslog: Aug 17 14:37:03 latrobytes systemd-sysv-generator[282]: [/lib/systemd/system/bluetooth.service:1] Missing '='. Aug 17 14:37:22 latrobytes NetworkManager[1002]: <info> [1597646242.8919] 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/bluez/+bug/1891853/+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