Had a couple of reports of this on System76 Machines. It appears this is manifests as an incomplete resume, where some job in the resume doesn't terminate, leading systemd to think the machine is still resuming, while at the same time the system appears to be up and running normally.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1441253 Title: hanging suspend job prevents shutdown Status in systemd package in Ubuntu: Won't Fix Bug description: poweroff (systemd poweroff) and reboot no longer work running sudo sytemd poweroff generates this: Failed to start poweroff.target: Transaction is destructive. journal log also shows: Apr 07 18:30:12 alice polkitd(authority=local)[1088]: Registered Authentication Agent for unix-process:32412:2895609 (system bus name :1.194 [/usr/bin/pkttyagent --notify-fd 5 --fallback], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) Apr 07 18:30:12 alice systemd[1]: Requested transaction contradicts existing jobs: Transaction is destructive. Apr 07 18:30:12 alice polkitd(authority=local)[1088]: Unregistered Authentication Agent for unix-process:32412:2895609 (system bus name :1.194, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus) Output of systemctl list-jobs JOB UNIT TYPE STATE 6009 suspend.target start waiting 6010 systemd-suspend.service start running 6014 anacron-resume.service start waiting ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: systemd 219-6ubuntu1 ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3 Uname: Linux 3.19.0-12-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.17-0ubuntu1 Architecture: amd64 Date: Tue Apr 7 18:32:27 2015 MachineType: Hewlett-Packard HP EliteBook 8560w ProcEnviron: LANGUAGE=en_US:en TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.19.0-12-generic root=UUID=90fa42f5-708d-4432-9241-315b9c08ba98 ro nomodeset rootflags=subvol=@ SourcePackage: systemd UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: Upgraded to vivid on 2015-03-02 (36 days ago) dmi.bios.date: 08/04/2014 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68SVD Ver. F.50 dmi.board.name: 1631 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 01.3D dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68SVDVer.F.50:bd08/04/2014:svnHewlett-Packard:pnHPEliteBook8560w:pvrA0001D02:rvnHewlett-Packard:rn1631:rvrKBCVersion01.3D:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP EliteBook 8560w dmi.product.version: A0001D02 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1441253/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp