Affected versions: 24.04

📖 ~1 min read

Table of contents
  1. Symptom & Impact
  2. Environment & Reproduction
  3. Root Cause Analysis
  4. Quick Triage
  5. Step-by-Step Diagnosis
  6. Solution – Primary Fix
  7. Solution – Alternative Approaches
  8. Verification & Acceptance Criteria
  9. Rollback Plan
  10. Prevention & Hardening
  11. Related Errors & Cross-Refs
  12. References & Further Reading

Symptom & Impact

Hibernate is not shown in power menu and system cannot save memory state to disk.

Environment & Reproduction

Common when swap is too small or resume UUID is not configured.

Root Cause Analysis

Kernel resume path is incomplete, so logind disables hibernation capability.

Quick Triage

Run swapon –show and cat /sys/power/state.

Step-by-Step Diagnosis

Verify resume=UUID in /etc/default/grub and initramfs settings.

Solution – Primary Fix

Create adequate swap, configure resume UUID, then run sudo update-grub && sudo update-initramfs -u.

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Solution – Alternative Approaches

Use suspend only if storage or policy does not permit hibernation.

Verification & Acceptance Criteria

systemctl hibernate completes and restores session correctly.

Rollback Plan

Remove custom logind and grub edits if resume failures occur.

Prevention & Hardening

Keep swap sizing aligned with memory and encryption policy.

Related: Failed to hibernate system via logind.

Related tutorial: View the step-by-step tutorial for Ubuntu 24.04 LTS.

View all Ubuntu 24.04 LTS tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

Ubuntu hibernation community docs and systemd sleep config.

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