Ubuntu 20.04 LTS Kernel Panic After Installing NVIDIA Driver

📖 ~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

System panics on boot after graphics driver changes, causing downtime.

Environment & Reproduction

Ubuntu 20.04 LTS with proprietary NVIDIA drivers and recent kernel updates.

Root Cause Analysis

Driver module mismatch with running kernel or DKMS build failure.

Quick Triage

Boot a known-good kernel or recovery mode to regain shell access.

Step-by-Step Diagnosis

Review DKMS logs, kernel versions, and loaded module compatibility.

Solution – Primary Fix

Reinstall matching driver package and rebuild initramfs modules.

Solution – Alternative Approaches

Temporarily use open-source nouveau driver for service continuity.

Verification & Acceptance Criteria

System boots reliably and graphics or compute workloads initialize correctly.

Rollback Plan

Revert to prior kernel and driver combination from GRUB advanced options.

Prevention & Hardening

Test driver updates on staging hosts before production rollout.

Related Errors & Cross-Refs

Associated with DKMS compile errors and secure boot module signing failures.

Related tutorial: View the step-by-step tutorial for Ubuntu 20.04 LTS.

View all Ubuntu 20.04 LTS tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

Consult Ubuntu NVIDIA driver docs and DKMS troubleshooting references.