Files
jakeaturner ac437f8429 fix(gpu): detect Ollama CPU fallback on AMD and offer the right fix
GpuPassthroughRemediationProvider returned early unless the NVIDIA
runtime was registered with Docker. AMD doesn't register one, so the
log-based CPU-fallback detection added in v1.35.0-rc.1 never ran on
AMD boxes. On a Phoenix1 iGPU running ollama:rocm with /dev/kfd and
/dev/dri passed through, Ollama logged library=cpu while gpuHealth
reported status "ok".

The gpuHealth side had its own bug. hasNvidiaRuntime and
hasRocmRuntime were set only inside the lspci probe branch. When lspci
returned a plausible controller, the else branch reported "ok" without
probing and left both flags false. A blind reinstall would not have
helped either: gfx1103 needs HSA_OVERRIDE_GFX_VERSION=11.0.0, and
without the gfx marker or ai.amdHsaOverride a reinstall rebuilds the
same CPU-bound container.

- Add resolveExpectedGpuVendor(). It reads the nomad_ollama container
  config first (nvidia DeviceRequest, ROCm image tag, /dev/kfd), then
  the nvidia runtime, then the AMD GPU type when no container exists.
  /dev/dri alone is not treated as AMD. A CPU container on an AMD box
  is trusted as deliberate (#1232 fallback, acceleration disabled).
- Gate the provider on the expected vendor. NVIDIA auto-reinstall is
  unchanged but now skips when the container requests a GPU with no
  runtime registered. AMD is detect-only: the provider logs whether a
  reinstall would change the container and never reinstalls itself.
- In gpuHealth, set the runtime flags up front and let Ollama's
  startup log decide health whenever a GPU is expected, whatever lspci
  returned. A CPU-only log now reports passthrough_failed and skips
  the nvidia-smi exec. lspci stays the display source when clean.
- Parse the first GPU "inference compute" line instead of the last
  line, which could be the CPU fallback device, and recognize Vulkan.
  Move the startup-log reader into ollama_compute so both callers
  share it.
- Report amdReinstallWouldChange, amdGfxTarget, currentHsaOverride and
  suggestedHsaOverride on AMD passthrough_failed. The gfx target is
  parsed from Ollama's "amdgpu is not supported" line (best-effort).
- Add GpuPassthroughAlert, shared by Settings > System and Settings >
  Models. When a reinstall would rebuild the same AMD container, it
  offers "Fix: Set GFX Override" instead of a reinstall. The dialog
  saves ai.amdHsaOverride and then reinstalls.
- Expose ai.amdHsaOverride through the settings API. The value lands
  in the container env, so only x.y.z, "none" or empty is accepted.
- Silence the HSA override resolver's logging on the gpuHealth poll.

The #1325 case where no GPU runtime is expected and lspci reports a
controller still returns "ok" unprobed.

Fixes #1344
Refs #1325, #1232
2026-09-29 15:54:41 -07:00
..
2025-06-29 15:51:08 -07:00
2026-02-11 15:44:46 -08:00
2026-09-29 15:54:41 -07:00
2025-06-29 15:51:08 -07:00