feat(intel-igpu): detector + installer routing for older Intel iGPUs#41
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Closes Issue #9 (substantively): older Intel iGPUs (Iris Pro / Iris / UHD / Gen 9 etc.) are now first-class in the install flow instead of silently falling through to CPU-only. # What changed ## scripts/check-iris-gpu.sh (new, +213 lines, executable) Standalone diagnostic tool that: - Detects Intel iGPU class (Arc / Iris-Xe-or-newer / older-Iris-class / none) - Verifies i915 driver, render node, render-group membership - For Vulkan-recommended classes: checks vulkaninfo + mesa-vulkan-drivers - Prints a clear VERDICT=<arc|vulkan|ambiguous|none> + concrete next-step Exits 0 (recommendation printed) or 1 (no Intel GPU or critical prerequisites missing). Verdict is parseable on the last line for scripted use. ## install.sh (modified, GPU auto-detect branch extended) Previous behavior: Intel iGPU not-matching-"Intel.*Arc" → silent fall through to CPU-only. New operators with older Intel hardware never learned the Vulkan path existed. New behavior: when a non-Arc Intel iGPU is detected, install.sh explicitly surfaces the Vulkan path with concrete commands: 1. scripts/check-iris-gpu.sh 2. scripts/install-vulkan-ollama.sh 3. ./install.sh --cpu (rest of ai-stack, native Ollama auto-discovered) Cross-references docs/hardware/intel-igpu-vulkan.md (the canonical procedure from PR #39) and the standalone hardware-target repo at growlf/intel_nuc_skullcanyon_ollama_with_gpu (per the new per-hardware OSS-contribution pattern). Operator can opt back into CPU-only Docker fallback (interactive [y/N]). # Test plan - [x] bash -n scripts/check-iris-gpu.sh — syntax OK - [x] bash -n install.sh — syntax OK - [x] tests/test_check_arc_gpu.sh — 15/15 still passing (no regression) - [x] check-iris-gpu.sh smoke-test on no-GPU host — correctly emits VERDICT=none with helpful guidance - [ ] On Intel NUC6i7KYB / Iris Pro 580 host: verify VERDICT=vulkan + install.sh new branch correctly routes (community test welcomed) Related: #38 (whole-dir mount), #39 (native Vulkan path docs+install), #9 (older-Intel hardware support). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Closes Issue #9 (substantively): older Intel iGPUs (Iris Pro / Iris / UHD / Gen 9 etc.) are now first-class in the install flow instead of silently falling through to CPU-only.
What changed
scripts/check-iris-gpu.sh (new, +213 lines, executable)
Standalone diagnostic tool that:
Exits 0 (recommendation printed) or 1 (no Intel GPU or critical prerequisites missing). Verdict is parseable on the last line for scripted use.
install.sh (modified, GPU auto-detect branch extended)
Previous behavior: Intel iGPU not-matching-"Intel.*Arc" → silent fall through to CPU-only. New operators with older Intel hardware never learned the Vulkan path existed.
New behavior: when a non-Arc Intel iGPU is detected, install.sh explicitly surfaces the Vulkan path with concrete commands:
Cross-references docs/hardware/intel-igpu-vulkan.md (the canonical procedure from PR #39) and the standalone hardware-target repo at growlf/intel_nuc_skullcanyon_ollama_with_gpu (per the new per-hardware OSS-contribution pattern).
Operator can opt back into CPU-only Docker fallback (interactive [y/N]).
Test plan
Related: #38 (whole-dir mount), #39 (native Vulkan path docs+install), #9 (older-Intel hardware support).
Summary
Type of change
Related issues
Testing
docker compose configpasses with no errorsshellcheckChecklist
.env.exampleis up to date (if env vars were added/removed)