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#!/bin/bash
# Run vGPU dry-run validation
# Usage: sudo ./dry_run.sh
set -euo pipefail
VGPU_KERNEL="$OPEN_IOV_ROOT/kernel"
echo "=== Open-IOV vGPU Dry-Run Validation ==="
echo ""
# Check if host nvidia.ko is loaded
if ! lsmod | grep -q "^nvidia "; then
echo "ERROR: Host nvidia.ko not loaded. Load it first with:"
echo " rzsh nvidia vgpu load"
exit 1
fi
echo "Host nvidia.ko: LOADED ✓"
echo ""
# Load vGPU module in dry-run mode
echo "Loading nvidia-vgpu-vfio.ko in dry-run mode..."
sudo insmod "$VGPU_KERNEL/nvidia-vgpu-vfio.ko" dyndbg='+p' dry_run=1
# Check result
sleep 2
if dmesg -T | grep -q "DRY-RUN MODE: validating init without hardware changes"; then
echo ""
echo "✓ Dry-run validation PASSED"
echo " Firmware, BAR layout, IRQ caps, IOMMU validated"
else
echo ""
echo "✗ Dry-run validation FAILED"
echo "Check dmesg for errors:"
dmesg -T | grep -i -e nvidia-vgpu -e vgpu | tail -20
fi
# Unload
echo ""
echo "Unloading dry-run module..."
sudo rmmod nvidia-vgpu-vfio
echo ""
echo "=== Dry-Run Complete ==="
echo "If validation passed, load for real with:"
echo " sudo insmod $VGPU_KERNEL/nvidia-vgpu-vfio.ko dyndbg='+p'"
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