From 1fdbf4ea8c17dab2b8fca6b5e58c2a6d3bc7596d Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Tue, 29 Sep 2026 15:29:00 -0400 Subject: docs: record physical-GPU integration mechanism and refresh project status - add docs/03-architecture/08-physical-gpu-integration.md: interfaces that exist, mechanism options A-E, chosen path (module-owned GPU driven through its real GSP firmware), sharing policy, decision record - update 06-host-module-and-hybrid-model, 02-practical-challenges, system overview, known-knowns, docs/README reading order and CUDA-side docs to match - correct stale engine-topology/COPY14 blocker claims across the tree - add STATE-CURRENT.md as the dated public status snapshot --- docs/05-operations/02-debugging-and-maintenance-workflows.md | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'docs/05-operations/02-debugging-and-maintenance-workflows.md') diff --git a/docs/05-operations/02-debugging-and-maintenance-workflows.md b/docs/05-operations/02-debugging-and-maintenance-workflows.md index 52cee94..801cda6 100644 --- a/docs/05-operations/02-debugging-and-maintenance-workflows.md +++ b/docs/05-operations/02-debugging-and-maintenance-workflows.md @@ -136,13 +136,11 @@ userspace/cuda/tools/callwalk.py /callgraph.tsv callers 0xNNNNNN * **A/B harness**: `tools/cuda-ab/` runs one deterministic CUDA workload on bare metal and in the guest and diffs the stable result lines. -**Known current bugs (2026-09-23)**: `cuCtxCreate` returns `rc=999` -(`CUDA_ERROR_UNKNOWN`) because the emulated engine list is missing the async -copy engine `COPY14`; the guest kernel oopses in -`uvm_pmm_devmem_page_to_va_space` on teardown of the failed context; and -control `0x2080012b` (560-byte params, issued immediately before context -creation) is answered with a generic SUCCESS whose consumed fields are not yet -coherent. Start at +**Current frontier (2026-10-12)**: context creation and the full driver-API +smoke pass (`ALL OK`, 64-byte payload round-trips); a guest CUDA kernel +launch is forwarded but the engine does not execute the forwarded launch +descriptor yet, and green runs are not reproducible on every boot (tracked as +an open issue in the repository). Start at [`../../userspace/cuda/READ-ME-FIRST.md`](../../userspace/cuda/READ-ME-FIRST.md), [`../../userspace/cuda/docs/03-driver-and-gpu-interface.md`](../../userspace/cuda/docs/03-driver-and-gpu-interface.md) and -- cgit v1.2.3