Public bug reported:
https://unix.stackexchange.com/questions/448702
When my laptop attempts to suspend itself to avoid powerfail, instead of
successfully suspending, I get a popup from xfce4-power-manager: "Are
you sure you want to hibernate the system? An application is currently
disabling the automatic sleep. Doing this action now may damage the
working state of this application."
How do I prevent applications from preventing suspend when battery is
low?
$ dbus-send --print-reply --dest=org.freedesktop.PowerManagement
/org/freedesktop/PowerManagement/Inhibit
org.freedesktop.PowerManagement.Inhibit.GetInhibitors
reveals:
freedesktop/PowerManagement/Inhibit
org.freedesktop.PowerManagement.Inhibit.GetInhibitors method return
time=1528483300.093042 sender=:1.35 -> destination=:1.96 serial=81
reply_serial=2 array [ string "/usr/lib/chromium-browser/chromium-
browser" ]
but sometimes there are others too.
Needless to say this is disastrous to my laptop's state of charge and
battery health and results in recoverable filesystem corruption when
these apps idiotically force the system to powerfail by prematurely
depleting the battery and then preventing the life-saving suspend that
would have prevented them losing state.
Ideally some of these applications should still be able to prevent
suspend when the system is not low on battery, but I'd like be given an
opportunity to permit that behaviour. It should never have been made a
default setting that applications can overcome power management settings
which are in place to protect the hardware and filesystem consistency!
This error ironically only occurs when running on battery. The system suspends
fine 100% of the time when it is plugged in.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xfce4-power-manager 1.6.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Jun 8 12:16:51 2018
ExecutablePath: /usr/bin/xfce4-power-manager
InstallationDate: Installed on 2018-05-08 (31 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
LocalLibraries: /usr/local/lib/libffi.so.6.0.4
ProcEnviron:
LANGUAGE=en_CA
PATH=(custom, user)
XDG_RUNTIME_DIR=<set>
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: xfce4-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xfce4-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic local-libs third-party-packages
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https://bugs.launchpad.net/bugs/1775921
Title:
power manager causing catastrophic powerfail
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