Public bug reported:
HP Spectre x360 15" notebook: Battery drains off during the laptop sleep
(with or without connected USB-C dock) and not possible to enable deep
sleep.
Enabling deep sleep results into failure:
$ sudo echo deep > /sys/power/mem_sleep
bash: /sys/power/mem_sleep: Permission denied.
Additionally also not possible to enable deep sleep by updating grub.
# editing /etc/default/grub
# Adding
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash mem_sleep_default=deep"
sudo update-grub
# reboot laptop
# and still gets
$ cat /sys/power/mem_sleep
[s2idle]
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-power-manager 3.26.0-1
ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 16 18:22:25 2019
InstallationDate: Installed on 2019-02-13 (3 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: gnome-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1816251
Title:
HP Spectre x360 15" notebook: Battery drains off during the laptop
sleep
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