From e8e31431469f347b9dae8c0e33db23faafa51965 Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Mon, 5 Oct 2026 10:15:49 -0400 Subject: STATE-CURRENT: 10:12 check-back snapshot (hold-all-unreadable experiment committed, module e7ff3bf7, campaign 239-262 validating) --- STATE-CURRENT.md | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) (limited to 'STATE-CURRENT.md') diff --git a/STATE-CURRENT.md b/STATE-CURRENT.md index d65eab9..7a52b80 100644 --- a/STATE-CURRENT.md +++ b/STATE-CURRENT.md @@ -1,7 +1,7 @@ # Open-IOV Current State > **Snapshot: 2026-10-05 (reorganized; simulator status current 2026-10-04, -> physical/guest campaign data as of 2026-10-05 ~06:50; debugging-options +> physical/guest campaign data as of 2026-10-05 ~10:12; debugging-options > catalogue added 2026-10-05).** This is a dated public > status page, not live state; it is refreshed on every progress check. Live > working notes are maintained outside this repository; the public @@ -47,8 +47,10 @@ isolation, performance, portability). effect: first-attempt acceptance moved from 86% to ~94-95% across campaigns and fakes/run fell 3.39 -> 0.61. A further experiment (hold every unreadable CE entry for the bounded grace, delete the silent pre-rescue fake, grace - 25 s; module `97eba5b7`) is live at check with campaign 229-236 at 3/3 green - so far. Residual classes: late-decode corruption (~3-5%), an early UVM + 25 s) is now committed (`4115f1dd`, module `e7ff3bf7`) and under live + validation: campaign `239..262` is running with `237-240` green on the + deterministic acceptance and only a harness push failure (`241a`, retried). + Residual classes: late-decode corruption (~3-5%), an early UVM channel-manager stall (~5-10%), and a guest init panic (~1/10, retried). The vadd executes via the host CUDA bridge daemon; forwarding guest engine work to the physical GPU remains the open backend wall. @@ -84,9 +86,9 @@ isolation, performance, portability). only with a named hypothesis and supervision. 2. **Hardening the accepted no-claim path.** The first green guest CUDA acceptance has landed and is holding; the residual classes are (a) corruption - via a late first decode behind pump backlog (~3-5% of runs; an experiment + via a late first decode behind pump backlog (~3-5% of runs; the experiment deleting the silent pre-rescue fake and holding every unreadable CE entry - for a 25 s bounded grace is under live validation), (b) an early stall + for a 25 s bounded grace is committed and under live validation), (b) an early stall before any push reaches the service (client waits in `uvm_channel_manager_create`/`channel_pool_add`; `ring_auto=6` vs 26 is the discriminator; ~5-10%, retried by the campaign), and (c) the guest init @@ -273,7 +275,7 @@ chain succeeds. | ID | Milestone | When | State | |---|---|---|---| -| MS-20261005-01 | Hardening the accepted no-claim path (hazard classes closed; rates up) | 2026-10-05 overnight | per-op once bitmap + epoch/content-hash gate + grace 15 s (`b645cf6b`, `3b094c2d`, `c3cd4631`); first-attempt 86% -> ~94-95%; fakes/run 3.39 -> 0.61; live experiment `97eba5b7` campaign 229-236 at 3/3 | +| MS-20261005-01 | Hardening the accepted no-claim path (hazard classes closed; rates up) | 2026-10-05 overnight | per-op once bitmap + epoch/content-hash gate + grace 15 s (`b645cf6b`, `3b094c2d`, `c3cd4631`); first-attempt 86% -> ~94-95%; fakes/run 3.39 -> 0.61; hold-all-unreadable/25 s experiment committed (`4115f1dd`, module `e7ff3bf7`), campaign `239..262` validating (`237-240` green) | | MS-20261004-04 | **First green end-to-end guest CUDA acceptance** | 2026-10-04 ~16:20 | `noclaim38/39/40` `MAIL` + `VADD n=1048576 bad=0 checksum=392344090.500000` + `STATUS OK`, deterministic, committed `cf6ff542`; 14/15 green in the repeat campaign | | MS-20261004-01 | No-claim bridge reaches the guest `vectorAdd` launch | 2026-10-04 ~14:45 | guest-truth pins + DtoH mail read-back fix + FB 512 MiB; `cudaMalloc` unblocked; no `STATUS OK` yet | | MS-20261004-02 | Latent bridge pending-slot oops found, fixed; reboot | 2026-10-04 ~14:45-15:00 | `cubb_pend_release` slot reuse -> NULL deref; fixed `85539844...`; approved reboot restored the GPU | @@ -317,8 +319,9 @@ chain succeeds. first-attempt acceptance 86% -> ~94-95% across campaigns, fakes/run 3.39 -> 0.61. Two further experiments were tested and reverted (a defer-the-release branch missed the late-first-decode path); a third (hold - every unreadable CE entry, delete the silent pre-rescue fake, 25 s grace, - module `97eba5b7`) is live at check with campaign 229-236 at 3/3 green. + every unreadable CE entry, delete the silent pre-rescue fake, 25 s grace) is + now committed (`4115f1dd`, module `e7ff3bf7`) and under live validation + (campaign `239..262`; `237-240` green, only an infra push failure at `241a`). Residual classes: late-decode corruption (~3-5%), early UVM channel-manager stall (~5-10%), guest init panic (~1/10, retried). - `MS-20261004-04` **First green end-to-end guest CUDA acceptance (2026-10-04 -- cgit v1.2.3