From 9ce9e7dd32ae618a3bcd8cb88257fe700bf7537d Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Thu, 15 Oct 2026 18:17:09 -0400 Subject: STATE-CURRENT: 2026-10-15 resume snapshot - r155 mail/matmul/vecadd green, bigpath/dual/lottery branches pushed --- STATE-CURRENT.md | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'STATE-CURRENT.md') diff --git a/STATE-CURRENT.md b/STATE-CURRENT.md index d62b16b..d26ffec 100644 --- a/STATE-CURRENT.md +++ b/STATE-CURRENT.md @@ -216,6 +216,23 @@ isolation, performance, portability). (3) the cold-context launch race (cold GR-sem pre-warm designed); (4) then multi-mdev, two guests, VRAM sizes and the concurrent/full soak. Host clean, GPU green, no reboots. + **Update 2026-10-15 ~18:15 (resume + parallel workstreams; pause snapshot):** + the host rebooted (the OS moved the kernel to 6.8.0-147; the module was rebuilt + for it). The r155 cycle on the physical backend: ladder green; `victory_mail` + (`VADD bad=0` + `STATUS OK`) and `victory_matmul` (`MATMUL n=256 bad=0` + + `STATUS OK`) both green end-to-end, and a 100-launch `vecadd_loop` passed; the + sequential battery then hit the known acked-no-write class on `streams2` + (all-zero output despite `qmd_rel=0x6` completion acks -> `STATUS FAIL`). Three + offline workstreams landed as pushed branches: (a) `bigpath` - a 64 MiB + boot-fixed data-bounce region (stage-3-planted PTEs) with fail-closed cap + semantics, unblocking large operands (victory_math 512 KB, vector_add 4 MB, + memcpy_roundtrip 8 MB); (b) `dual` - per-mdev separation (per-guest channel + keys, session records, guest-RAM records, forward-request ownership) for two + simultaneous guests; (c) `lottery` - analysis proving the completion ack is not + an execution witness, rejecting naive fail-closed (idempotent-client false + positives), and ranking the next experiments (win0 bank rotation, qmdwin + double-buffer, warm-sem retry, executed-vs-wedged discriminator). Host clean, + GPU green, VM left live; user-requested poweroff at pause. - **Guest frontier: FIRST GREEN END-TO-END GUEST CUDA, NOW UNDER HARDENING (2026-10-04 ~16:20; hardening 2026-10-05 overnight).** The emulation-only ("no-claim") campaign runs an unmodified guest CUDA program to completion -- cgit v1.2.3