This error occurs when the kubelet device manager fails to manage devices like GPUs, typically due to plugin issues or device unavailability.
The "Kubelet device manager error" indicates that the kubelet cannot properly allocate devices to containers.
kubectl get daemonsets -n kube-system | grep device
kubectl logs -n kube-system <device-plugin-pod>
nvidia-smi || rocm-smi
kubectl apply -f device-plugin-manifest.yaml
Common device plugins: NVIDIA GPU, AMD ROCm, Intel GPU, custom accelerators.
kubectl describe node <node> | grep -i device