Public bug reported: After a fresh Ubuntu 20.04 installation, the suspend is not "deep" but it is "idle". Deep is very important, otherwise the laptop/notebook might over heat (!) if you put it into a sleeve or bag while suspended. Which happened to my notebook.
How to reproduce: 1) install Ubuntu 20.04 on a notebook/laptop 2) suspend via lid close or suspend button or gnome shell system menu 3) wake up from suspend and type sudo journalctl | grep "PM: suspend" | tail -2 4) find the message "PM: suspend entry (s2idle)" How to fix the issue: 1) sudo nano /etc/default/grub 2) Replace the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" with GRUB_CMDLINE_LINUX_DEFAULT="quiet splash mem_sleep_default=deep" 3) recreate grub with sudo grub-mkconfig -o /boot/grub/grub.cfg 4) reboot 5) suspend via lid close or suspend button or gnome shell system menu 6) wake up from suspend and run sudo journalctl | grep "PM: suspend" | tail -2 7) find the message "PM: suspend entry (deep)" This fixes your suspend and makes your laptop go into deep sleep, which greatly increases suspended battery uptime and greatly decreases the heat the notebook creates. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: grub2 (not installed) ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41 Uname: Linux 5.4.0-37-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Jun 25 09:14:57 2020 InstallationDate: Installed on 2020-06-23 (1 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash SourcePackage: grub2 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ** Description changed: After a fresh Ubuntu 20.04 installation, the suspend is not "deep" but it is "idle". - Deep is very important, otherwise the laptop/notebook might overheight if you put it into a sleeve or bag while suspended. Which happening to my notebook. + Deep is very important, otherwise the laptop/notebook might over heat (!) if you put it into a sleeve or bag while suspended. Which happening to my notebook. How to reproduce: 1) install Ubuntu 20.04 on a notebook/laptop 2) suspend via lid close or suspend button or gnome shell system menu 3) wake up from suspend and type sudo journalctl | grep "PM: suspend" | tail -2 4) find the message "PM: suspend entry (s2idle)" How to fix the issue: 1) sudo nano /etc/default/grub 2) Replace the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" - with + with GRUB_CMDLINE_LINUX_DEFAULT="quiet splash mem_sleep_default=deep" - 3) recreate grub with + 3) recreate grub with sudo grub-mkconfig -o /boot/grub/grub.cfg 4) reboot 5) suspend via lid close or suspend button or gnome shell system menu - 6) wake up from suspend and run + 6) wake up from suspend and run sudo journalctl | grep "PM: suspend" | tail -2 7) find the message "PM: suspend entry (deep)" This fixes your suspend and makes your laptop go into deep sleep, which greatly increases suspended battery uptime and greatly decreases the heat the notebook creates. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: grub2 (not installed) ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41 Uname: Linux 5.4.0-37-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Jun 25 09:14:57 2020 InstallationDate: Installed on 2020-06-23 (1 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=de_DE.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=de_DE.UTF-8 + SHELL=/bin/bash SourcePackage: grub2 UpgradeStatus: No upgrade log present (probably fresh install) ** Description changed: After a fresh Ubuntu 20.04 installation, the suspend is not "deep" but it is "idle". - Deep is very important, otherwise the laptop/notebook might over heat (!) if you put it into a sleeve or bag while suspended. Which happening to my notebook. + Deep is very important, otherwise the laptop/notebook might over heat (!) if you put it into a sleeve or bag while suspended. Which happened to my notebook. How to reproduce: 1) install Ubuntu 20.04 on a notebook/laptop 2) suspend via lid close or suspend button or gnome shell system menu 3) wake up from suspend and type sudo journalctl | grep "PM: suspend" | tail -2 4) find the message "PM: suspend entry (s2idle)" How to fix the issue: 1) sudo nano /etc/default/grub 2) Replace the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" with GRUB_CMDLINE_LINUX_DEFAULT="quiet splash mem_sleep_default=deep" 3) recreate grub with sudo grub-mkconfig -o /boot/grub/grub.cfg 4) reboot 5) suspend via lid close or suspend button or gnome shell system menu 6) wake up from suspend and run sudo journalctl | grep "PM: suspend" | tail -2 7) find the message "PM: suspend entry (deep)" This fixes your suspend and makes your laptop go into deep sleep, which greatly increases suspended battery uptime and greatly decreases the heat the notebook creates. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: grub2 (not installed) ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41 Uname: Linux 5.4.0-37-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Jun 25 09:14:57 2020 InstallationDate: Installed on 2020-06-23 (1 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash SourcePackage: grub2 UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1885085 Title: Suspend is not deep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1885085/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs