📖 ~1 min read
Table of contents
Symptom & Impact
Kernel package configuration fails and system may become unbootable on reboot.
Environment & Reproduction
Typically appears with low /boot space or broken hook scripts.
Root Cause Analysis
Insufficient boot partition space, missing firmware, or failing hook scripts interrupt initramfs creation.
Quick Triage
Check available /boot capacity and identify failing hook line.
Step-by-Step Diagnosis
Re-run initramfs in verbose mode and inspect hook outputs.
Solution – Primary Fix
Free /boot space, repair failing hooks, and regenerate initramfs.
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Solution – Alternative Approaches
Temporarily remove problematic third-party modules and rebuild.
Verification & Acceptance Criteria
Kernel packages configure cleanly and reboot succeeds.
Rollback Plan
Boot prior kernel and restore hook backups if new build fails.
Prevention & Hardening
Monitor /boot usage and validate kernel hook scripts after changes.
Related Errors & Cross-Refs
Common with DKMS failures and outdated firmware packages.
Related tutorial: View the step-by-step tutorial for Debian 13.
View all Debian 13 tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Debian initramfs-tools and kernel maintenance guides.
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