#!/bin/bash
echo "=== ollama arch + version ==="
file $(which ollama); ollama --version; uname -m
echo
echo "=== does nvidia-smi work on Jetson? ==="
nvidia-smi 2>&1 | head -5 || echo "NO nvidia-smi (expected on JetPack 5 — Tegra uses tegrastats)"
echo
echo "=== tegrastats (Jetson GPU util) — 2 s sample ==="
timeout 2 tegrastats 2>&1 | head -2
echo
echo "=== Ollama 'inference compute' line — THE answer ==="
journalctl -u ollama -n 200 --no-pager 2>/dev/null | grep -E "inference compute|vram|library=|starting runner|GPU" | tail -15
echo
echo "=== Ollama service env ==="
systemctl cat ollama 2>/dev/null | grep -E "Environment|ExecStart"
echo
echo "=== JetPack / CUDA on this box ==="
cat /etc/nv_tegra_release 2>/dev/null | head -1
ls /usr/local/cuda/lib64/libcudart.so* 2>/dev/null | head -3
echo
echo "=== does Ollama's own lib dir exist? (stock install) ==="
ls /usr/lib/ollama/ /usr/local/lib/ollama/ 2>/dev/null