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Why does my system freeze during suspend in Debian?
A common issue found on systems upgrading from old versions of Debian is the enabling of quirk-s3-bios freezes the system during suspend. If your system freezes during suspend, check the pm-suspend.log carefully after enabled debugging and make sure quirk-s3-bios is not used. The kernel has a Suspend testing facility changelog.
How does suspend work in different versions of Debian?
Because the core system components change rapidly among Debian versions, software suspend works differently on different versions of Debians. This page is divided according to Debian versions from new to old. For more reading material, see also the links at the bottom of this page about hibernate and suspend.
How to re-enable hibernate and suspend in Debian?
To re-enable hibernate and suspend use the following command: If you just want to prevent suspending when the lid is closed you can set the following options in /etc/systemd/logind.conf: I made the changes in /etc/gdm3/greeter.dconf-defaults and indeed this does stop the sleep while waiting at the GDM screen.
How to know if power management is suspended in Debian?
The Battery and Brightness item in your system tray will let you know if power management is suspended, and what process is currently suspending it. For systems which should never attempt any type of suspension, these targets can be disabled at the systemd level with the following: To re-enable hibernate and suspend use the following command:
How to get Software Suspend to work in Debian?
Help on software suspend This page gathers bits of information about getting software suspend to work in Debian. For more reading material, see also the links at the bottom of this page about hibernate and suspend. Another option, under Gnome shell, is to simply press ALT before clicking the shutdown button in the user menu.
How does the Linux kernel suspend a device?
If “platform” is written to /sys/power/pm_test , then after suspending devices the kernel will additionally invoke the global control methods (eg. ACPI global control methods) used to prepare the platform firmware for hibernation. Next, it will wait a configurable number of seconds and invoke the platform (eg.
What happens if I do a release upgrade to Debian?
Performing a release upgrade is not without risk. The upgrade may fail, leaving the system in a non-functioning state. USERS SHOULD BACKUP ALL DATA before attempting a release upgrade. Upgrades are done with the package management tool apt-get or apt, and generally involve the following steps.
How to enter suspend mode in Debian Linux?
Now you should be able to enter suspend-mode, either by closing the lid, or via systemctl suspend, and have the system suspend immediately, and be ready to wake up quickly for 5 minutes (300 seconds). After that time, the system should briefly wake up on its own, and immediately hibernate.
What happens when a laptop suspends to ram?
When the laptop suspends to ram, it uses very little power, but the current session is not persisted to disk, so if the battery runs out, the system will be forced to do a full boot on resume.