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Asked: 2024-09-25T22:22:12+05:30 In:

How can I troubleshoot the issue of my Ubuntu 24 system not transitioning from suspend to hibernate mode as intended?

I’ve been having this annoying issue with my Ubuntu 24 system. I usually put it in suspend mode to save power, and it works just fine. But when I try to transition to hibernate mode, it just doesn’t work as intended. I thought it would be a straightforward setting, but it feels like I’m stuck in a loop.

I’ve looked through the settings, and everything seems in place. I go to “Power Settings” and click on “Hibernate,” but when I try to enable it, nothing happens. It’s frustrating because I need hibernate for when I’m going to be away from my computer for a while but still want to save my session. I’ve tried using the terminal to set it up, but nothing seems to change.

At one point, I thought it might be a problem with my swap partition because I heard it needs to be larger than the RAM for hibernation to work correctly. Mine is a bit less than my RAM, so I’m wondering if that could be the issue. I’ve also seen some people mentioning configuration files that might need tweaking, but honestly, I don’t want to mess things up more than they are.

I’ve done some searching online and stumbled upon a few potential solutions—stuff about updating the GRUB settings and checking system logs for errors after trying to hibernate. But I could really use some guidance on where to start. Has anyone else experienced this issue? Is there a simple fix, or am I looking at a more complex situation? I’d appreciate any advice or steps you’ve taken if you’ve faced something similar. It seems like something that should work seamlessly, yet here I am, stuck with my system not behaving as it should!

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    2 Answers



    1. Hibernate Issue on Ubuntu 24

      Hibernate Troubleshooting on Ubuntu 24

      It sounds like you’re really frustrated with the hibernate feature not working as expected on your Ubuntu 24 system. It can be super annoying when something that should work easily just doesn’t!

      First Steps to Check:

      • **Swap Partition Size**: You mentioned that your swap is less than your RAM. That’s a common culprit! For hibernation to work, the swap space should indeed be at least equal to your RAM. If you can, consider resizing it.
      • **Power Settings**: Sometimes, the GUI doesn’t fully register the change. After trying to enable hibernate in “Power Settings,” check if you can run sudo systemctl hibernate in the terminal as a quick test.

      Check Logs:

      After attempting to hibernate, checking system logs might give you clues. You can use:

      journalctl -xe

      Look for any warnings or errors related to hibernate—it might point you to what’s wrong.

      GRUB Configuration:

      Sometimes, messing with GRUB settings is necessary. You could try adding or editing the line in your /etc/default/grub file:

      GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID="

      Replace with your actual swap UUID, which you can find using blkid.

      Hibernate Enable Command:

      If hibernate is still not showing up, try running this in the terminal to ensure it’s enabled:

      sudo systemctl enable hibernate.target

      Last Resort—Configuration Files:

      If you’re feeling brave, you could check the /etc/systemd/sleep.conf file to ensure nothing is preventing hibernation there. Remember to back it up before making changes!

      Final Thoughts:

      Don’t hesitate to ask for help in forums or communities, as others may have gone through the same thing. Good luck!


    2. Hibernation issues in Ubuntu can indeed be frustrating, especially when you’ve already checked the basic settings. Given that you’ve already identified your swap partition as potentially being too small, that’s a good place to start. For hibernation to function properly, your swap space should generally be equal to or larger than the amount of RAM installed; otherwise, the system won’t have enough space to save the current session. Since yours is smaller, this could definitely be a contributing factor to your hibernation problems. You could consider resizing your swap partition or creating additional swap space by using a swap file if resizing isn’t feasible.

      In addition to managing your swap, you may need to verify your GRUB configuration and ensure that hibernation is enabled as a boot option. You can do this by editing the GRUB configuration file and possibly adding a `resume` parameter to the kernel command line, specifying the appropriate UUID of your swap partition. Additionally, checking the system logs for any error messages related to hibernation (using `journalctl` or reviewing `/var/log/syslog`) could provide insights into why the hibernate function fails. If modifying these settings feels daunting, consider looking for community support on forums or ensuring you have backups before making significant changes. While the steps might seem complex, with careful modifications, you can often navigate through these hurdles effectively.

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