Engineering Logs for Troubleshooting & Debugging
Grafana RAG Document Loader OOM Crash on Edge Node During Embedding Problem Symptoms and Impact On edge computing nodes (2 GiB RAM, 2 vCPU) running Grafana 9.x with the RAG Document Loader plugin, the embedding generation step intermittently aborts with an out‑of‑memory (OOM) kill. The failure manifests as: Grafana UI shows a red error banner: Failed to generate … Read more
Problem A container that runs the data‑pipeline preprocessing and model‑inference stages crashes repeatedly when the node is equipped with an AMD GPU. The pod enters a CrashLoopBackOff after the preprocessing step completes, preventing the downstream inference from ever starting. Symptoms and Impact Pod status: CrashLoopBackOff after 0/1 containers ready. Container logs end with a stack … Read more
Problem During local development of a Meta LLaMA inference pipeline that incorporates audio inputs, the process aborts with a ValueError: unsupported audio sample rate. The exception is raised when the transformers audio preprocessing utilities attempt to load WAV or MP3 files whose sample rate or channel layout does not match the model’s expectations. Typical traceback … Read more
Problem In a development sandbox the container that runs an inference service based on ONNX Runtime repeatedly enters a crash‑loop. The container exits with a SIGSEGV during model initialization: 2026-10-22 14:03:12.345 INFO [onnxruntime] Loading model from /models/large_model.onnx 2026-10-22 14:03:12.347 FATAL [onnxruntime] Segmentation fault (core dumped) 2026-10-22 14:03:12.348 ERROR container runtime: container terminated with exit code … Read more
Mistral speech‑to‑text pod crashes with segmentation fault after codec removal Problem The mistral-stt StatefulSet runs on GPU‑enabled nodes (Kubernetes v1.27). After a routine image update that removed unused audio codec packages, the pod starts but crashes during the first inference request. The container logs end with a segmentation fault (SIGSEGV) inside the audio preprocessing library. … Read more
Problem – Qwen Controller Manager Crashes Under High‑Throughput Event Spikes The controller manager component of the Qwen event‑driven platform intermittently terminates with a SIGSEGV when the system processes a sudden surge of inbound events (e.g., 50 k events/s for a few seconds). The crash propagates to the control plane, causing: Loss of in‑flight control messages Stalled … Read more
Problem Description The GPT‑4o inference service runs in a Kubernetes pod that launches a Docker container with GPU acceleration (A100/H100). After upgrading the NVIDIA driver from 525.xx to 550.xx, the pod entered a crash loop: Container exit code 1 with log line: Failed to initialize NVML: Driver/library version mismatch Subsequent restarts showed Segmentation fault (core … Read more
Problem Description A canary rollout of a Hugging Face transformers model on a Kubernetes cluster results in the newly created pods entering CrashLoopBackOff. The failure manifests during the model initialization phase, before the inference server becomes ready. Typical log excerpts include: 2024-08-30T12:15:42.123Z ERROR [model_loader] RuntimeError: CUDA out of memory. Tried to allocate 12.34 GiB. This … Read more
Problem Description During long‑running AI training jobs inside a Docker container, the AMD GPU controller manager (amdgpu) crashes repeatedly. The symptom manifests as the container exiting with code 137 (SIGKILL) and loss of GPU access. Typical log excerpts are: dmesg: amdgpu: controller manager crashed, resetting GPU Docker log: error while creating device /dev/kfd: No such … Read more
Problem Description In a staging environment a tgi:latest container is deployed in a Kubernetes pod with 16 GiB of RAM. During startup the container crashes with an out‑of‑memory (OOM) termination: kubectl describe pod tgi-staging-abc123 … State: Waiting Reason: OOMKilled … Events: Type Reason Age From Message —- —— —- —- ——- Warning OOMKill 2m kubelet, node-01 … Read more