Xubuntu 16.04 user here on EXT4. I don't use suspend on my Dell Latitude laptop at all. Was just trying to reboot after noticing my network manager indicator icon was in limbo and 'lo and behold:
% sudo -H shutdown -P now Failed to start poweroff.target: Transaction is destructive. See system logs and 'systemctl status poweroff.target' for details. % systemctl status poweroff.target ● poweroff.target - Power-Off Loaded: loaded (/lib/systemd/system/poweroff.target; disabled; vendor preset: disabled) Active: inactive (dead) Docs: man:systemd.special(7) % ps ax | grep systemd 359 ? Ss 0:00 /lib/systemd/systemd-journald 412 ? Ss 0:00 /lib/systemd/systemd-udevd 1187 ? Ss 0:00 /lib/systemd/systemd-logind 1217 ? Ss 0:02 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation 2014 ? Ss 0:00 /lib/systemd/systemd --user 27605 ? Ss 0:00 /lib/systemd/systemd-sleep suspend I work with the lid closed on a dual monitor system. Digging through the journal is interesting due to: dec 21 10:52:38 2-1b systemd-logind[1187]: Suspending... dec 21 10:52:38 2-1b NetworkManager[1253]: <info> [1482313958.2467] manager: sleep requested (sleeping: no enabled: yes) dec 21 10:52:38 2-1b NetworkManager[1253]: <info> [1482313958.2468] manager: sleeping... dec 21 10:52:38 2-1b NetworkManager[1253]: <info> [1482313958.2468] device (wlp3s0): state change: unavailable -> unmanaged (reason 'sleeping') [20 10 37] dec 21 10:52:38 2-1b NetworkManager[1253]: <info> [1482313958.2477] manager: NetworkManager state is now ASLEEP dec 21 10:52:38 2-1b whoopsie[1255]: [10:52:38] offline dec 21 10:52:38 2-1b obexd[2450]: Terminating dec 21 10:52:38 2-1b polkitd(authority=local)[1433]: Unregistered Authentication Agent for unix-session:c2 (system bus name :1.46, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus) dec 21 10:52:38 2-1b systemd[1]: Reached target Sleep. dec 21 10:52:38 2-1b lightdm[1688]: pam_unix(lightdm:session): session closed for user jeroenr dec 21 10:52:38 2-1b systemd[1]: Starting Suspend... dec 21 10:52:38 2-1b systemd-sleep[27605]: Failed to connect to non-global ctrl_ifname: (nil) error: No such file or directory dec 21 10:52:38 2-1b NetworkManager[1253]: <info> [1482313958.3907] dns-mgr: Writing DNS information to /sbin/resolvconf dec 21 10:52:38 2-1b dnsmasq[1706]: setting upstream servers from DBus dec 21 10:52:38 2-1b systemd-sleep[27613]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255. dec 21 10:52:38 2-1b dnsmasq[1706]: using nameserver 8.8.8.8#53 dec 21 10:52:38 2-1b systemd-sleep[27605]: Suspending system... dec 21 10:52:38 2-1b dnsmasq[1706]: using nameserver 8.8.4.4#53 dec 21 10:52:38 2-1b kernel: PM: Syncing filesystems ... done. dec 21 10:52:38 2-1b kernel: PM: Preparing system for sleep (mem) Somehow the system was trying to go to sleep with me actually working on it. Unless... I did log out and in again for fixing up my input methods. But why would systemd register a XFCE logout as a request to suspend? -- 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