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 --- userspace/cuda/570.144/docs/ANALYSIS-cuctxcreate-segv.md | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'userspace/cuda/570.144/docs') diff --git a/userspace/cuda/570.144/docs/ANALYSIS-cuctxcreate-segv.md b/userspace/cuda/570.144/docs/ANALYSIS-cuctxcreate-segv.md index db38802..666a4e2 100644 --- a/userspace/cuda/570.144/docs/ANALYSIS-cuctxcreate-segv.md +++ b/userspace/cuda/570.144/docs/ANALYSIS-cuctxcreate-segv.md @@ -3,8 +3,9 @@ > **Status: historical (2026-09-23 PART 9).** The segfault described here was > fixed in PART 10 (the RM allocation reply now echoes the request parameters, > which prevents a 16-byte class-params copy-back from zeroing the caller's -> saved frame pointer). The current blocker is the missing async copy engine in -> the emulated engine list (`cuCtxCreate` returns `999`). For the corrected, +> saved frame pointer). The engine-topology blocker that followed was also +> since resolved (the async copy engine is included); the current frontier is +> the completion/execution path. For the corrected, > current analysis see > [`../../docs/05-570.144-decompilation.md`](../../docs/05-570.144-decompilation.md) > and [`../../READ-ME-FIRST.md`](../../READ-ME-FIRST.md). The runtime @@ -22,7 +23,7 @@ First analysis note for the CUDA userspace driver under Open-IOV. Companion to |---|---| | `cuInit(0)` | **OK** (previous sessions: failed) | | `cuDeviceGetCount` / `cuDeviceGet` | **OK** (device 0) | -| `cuCtxCreate` | **SIGSEGV inside libcuda** - the current blocker | +| `cuCtxCreate` | **SIGSEGV inside libcuda** - the blocker at this snapshot (since fixed) | | `cuMemAlloc` / copies / `ALL OK` | not reached yet | Guest: Ubuntu 24.04, driver **570.144** (open kernel modules + libcuda -- cgit v1.2.3