Ops Development Stories

Jun 1, 2021 · Cloud Native

Why Do Readiness Probe Failures Show “OCI runtime exec failed: EOF” in Kubernetes?

A Kubernetes pod reported readiness probe warnings with an OCI runtime exec failure, which was traced through kubelet, Docker, dockershim, containerd, and runc, ultimately caused by a race condition with cpu‑manager updating the container state file, and resolved by disabling cpu‑manager or upgrading runc.