📖 ~1 min read
Table of contents
Symptom & Impact
Container workloads fail to start, leading to service disruption and deployment failures.
Environment & Reproduction
Appears after runtime upgrades or kernel boot parameter changes.
Root Cause Analysis
Runtime and daemon settings are incompatible with cgroup hierarchy mode in use.
Quick Triage
Check daemon status, cgroup mode, and relevant runtime logs.
Step-by-Step Diagnosis
Validate runtime config files for systemd cgroup alignment.
Solution – Primary Fix
Set systemd cgroup driver consistently across Docker/containerd and restart runtimes.
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Solution – Alternative Approaches
Pin runtime versions known to work with current kernel/cgroup behavior during transition.
Verification & Acceptance Criteria
Containers start successfully and runtime reports expected cgroup driver.
Rollback Plan
Revert daemon configuration and restart services if workload compatibility issues appear.
Prevention & Hardening
Standardize runtime config baselines and validate upgrades in staging clusters.
Related Errors & Cross-Refs
Related to failed to create shim task and cgroup mountpoint does not exist.
Related tutorial: View the step-by-step tutorial for Debian 10.
View all Debian 10 tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Docker/containerd cgroup v2 migration and Debian container runtime guidance.
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