Public bug reported:
In a stock ubuntu 20.04.3, g-s-d will notify the critical action when battery
is lower than warned critical threshold.
The notification is "The battery is below the critical level and this computer
is about to hibernate."
When hitting critical threshold, it takes "HybirdSleep" as the action.
```
九 29 11:24:48 ubuntu-HP-ZBook-Studio-15-6-Inch-G8-Mobile-Workstation-PC
systemd[1]: Reached target Sleep.
九 29 11:24:48 ubuntu-HP-ZBook-Studio-15-6-Inch-G8-Mobile-Workstation-PC
systemd[1]: Starting Hybrid Suspend+Hibernate...
九 29 11:24:48 ubuntu-HP-ZBook-Studio-15-6-Inch-G8-Mobile-Workstation-PC
kernel: PM: Image not found (code -22)
九 29 11:24:48 ubuntu-HP-ZBook-Studio-15-6-Inch-G8-Mobile-Workstation-PC
systemd-sleep[3212]: Suspending system...
九 29 11:24:48 ubuntu-HP-ZBook-Studio-15-6-Inch-G8-Mobile-Workstation-PC
kernel: PM: hibernation: hibernation entry
```
You could see the hibernation called by logind but it will fail to
restore since either not enough SWAP or resume address is not specify to
kernel.
It confusing users about the critical actions.
In UPower.conf:
```
$ tail etc/UPower.conf
# reached for the batteries (UPS or laptop batteries) supplying the computer
#
# Possible values are:
# PowerOff
# Hibernate
# HybridSleep
#
# If HybridSleep isn't available, Hibernate will be used
# If Hibernate isn't available, PowerOff will be used
CriticalPowerAction=HybridSleep
```
In g-s-d:
```
/* We don't make the difference between HybridSleep and Hibernate */
if (g_strcmp0 (action, "PowerOff") == 0)
policy = GSD_POWER_ACTION_SHUTDOWN;
else
policy = GSD_POWER_ACTION_HIBERNATE;
...
/* use different text for different actions */
if (policy == GSD_POWER_ACTION_HIBERNATE) {
/* TRANSLATORS: computer will hibernate */
message = g_strdup (_("The battery is below the
critical level and "
"this computer is about to
hibernate."));
```
There are two approach if possible:
1) change "CriticalPowerAction" to "PowerOff" because the suspend to ram is
almost useless when battery is in critical threshold and the suspend to disk is
usually not working in default installed ubuntu.
2) have a new "GsdPowerActionType" type for "HybridSleep" to show the
appropriate message but taking the same action (notify logind).
---
$ dpkg -l | grep -i 'upower\|gnome-settings-daemon'
ii gir1.2-upowerglib-1.0:amd64 0.99.11-1build2
amd64 GObject introspection data for upower
ii gnome-settings-daemon 3.36.1-0ubuntu1.1
amd64 daemon handling the GNOME session settings
ii gnome-settings-daemon-common 3.36.1-0ubuntu1.1
all daemon handling the GNOME session settings - common files
ii libupower-glib3:amd64 0.99.11-1build2
amd64 abstraction for power management - shared library
ii upower 0.99.11-1build2
amd64 abstraction for power managemen
** Affects: oem-priority
Importance: High
Assignee: jeremyszu (os369510)
Status: Confirmed
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Affects: upower (Ubuntu)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1911231 originate-from-1943959 stella
** Also affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Tags added: oem-priority originate-from-1943959 stella
** Tags added: originate-from-1911231
** Summary changed:
- Hibernate is not the default action in Ubuntu when critical power
+ Hibernate doesn't support as the default action in Ubuntu when critical power
** Changed in: oem-priority
Assignee: (unassigned) => jeremyszu (os369510)
** Changed in: oem-priority
Importance: Undecided => High
** Changed in: oem-priority
Status: New => Confirmed
--
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https://bugs.launchpad.net/bugs/1945418
Title:
Hibernate doesn't support as the default action in Ubuntu when
critical power
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