📖 ~1 min read
Table of contents
Symptom & Impact
Containers fail to start, impacting scheduled workloads and application availability.
Environment & Reproduction
Debian 13 hosts after kernel, Docker, or kubelet runtime configuration changes.
Root Cause Analysis
cgroup mode or driver mismatch between kernel, container runtime, and orchestrator.
Quick Triage
Check runtime and kernel cgroup settings for compatibility warnings.
Step-by-Step Diagnosis
Inspect service logs and startup arguments for conflicting cgroup driver values.

Solution – Primary Fix
Align runtime cgroup driver settings and restart dependent services in order.
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Solution – Alternative Approaches
Pin known-good runtime versions until full cgroup v2 migration is validated.
Verification & Acceptance Criteria
Containers launch successfully and health checks pass under normal load.
Rollback Plan
Reapply prior daemon settings and restart runtime stack if instability persists.
Prevention & Hardening
Document cgroup standard in platform baseline and enforce via config management.
Related Errors & Cross-Refs
Related logs include cgroup mountpoint does not exist and failed to create shim task.
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 kernel cgroup docs and container runtime configuration references.
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