Linux Debian: HORN (Hibernate) Configuration Ignores resume option

Linux Debian: HORN (Hibernate) Configuration Ignores Resume Option

If you're having trouble with your Linux (Debian GNU/Linux) system and the HORN (Hibernate) configuration is ignoring the resume option, you're not alone. This article will provide a detailed explanation of the issue and offer solutions to help you get your system up and running again.

Understanding the Problem

Hibernation is a power-saving state that allows a computer to save its current state to disk and then turn off its power completely. When the computer is turned back on, it can restore its previous state from disk, allowing the user to pick up right where they left off. However, some users have reported that their Hibernate configuration is ignoring the resume option, causing the system to fail to resume from hibernation.

Possible Causes

There are several possible causes for this issue. One common cause is a misconfiguration of the Hibernate settings in the system's bootloader. Another possible cause is a problem with the swap partition or file, which is used to store the system's state during hibernation.

Solutions

Here are some possible solutions to try if you're experiencing this issue:

Check the Bootloader Configuration

The first step is to check the bootloader configuration to ensure that the Hibernate option is correctly configured. On a Debian system, the bootloader is typically GRUB. To check the GRUB configuration, follow these steps:

1. Open the terminal and type sudo nano /etc/default/grub to edit the GRUB configuration file.
2. Locate the line that starts with GRUB_CMDLINE_LINUX_DEFAULT and add resume=UUID=your-swap-partition-UUID to the end of the line. Replace your-swap-partition-UUID with the UUID of your swap partition.
3. Save the changes and exit the editor.
4. Run sudo update-grub to update the GRUB configuration.

Check the Swap Partition

If the bootloader configuration looks correct, the next step is to check the swap partition. To do this, follow these steps:

1. Open the terminal and type sudo swapon --show to display information about the swap partitions and files.
2. Check that the swap partition or file is listed and that it is active.
3. If the swap partition or file is not listed or is not active, type sudo swapon /dev/your-swap-partition to activate it. Replace your-swap-partition with the name of your swap partition.

If you're experiencing issues with the Hibernate configuration ignoring the resume option on your Debian system, it's likely due to a misconfiguration of the bootloader or a problem with the swap partition. By following the steps outlined in this article, you should be able to resolve the issue and get your system up and running again.

References

• Debian Wiki: Hibernation
• How to Set Up Hibernation on Debian 9
• Ask Ubuntu: Hibernate does not resume after suspend on Ubuntu 18.04