Affected versions: 24.04

๐Ÿ“– ~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.

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Environment & Reproduction

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

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Root Cause Analysis

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

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Quick Triage

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

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Step-by-Step Diagnosis

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

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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.

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Verification & Acceptance Criteria

systemctl hibernate completes and restores session correctly.

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Rollback Plan

Remove custom logind and grub edits if resume failures occur.

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Prevention & Hardening

Keep swap sizing aligned with memory and encryption policy.

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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 โ†’

Browse all common problems & solutions on the Tutorials Hub.

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References & Further Reading

Ubuntu hibernation community docs and systemd sleep config.

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