Robert Allan JamesandClaude Sonnet 5 16cc74243c std79 DoE campaign rerun post-Stage-4: 81/81, §XIV caught live by rerun's own harness bug (FABRIC-3.md §XXXI) ...

Reran the established 3x9x3 randomized full-factorial campaign
(std79-doe.fth) on all 3 architectures per standing project discipline
(any Stadium-adjacent change reruns the whole DoE from the top).

First amd64 attempt exposed a real test-harness bug that re-triggered
the already-known §XIV concurrent-attach gap: the sequential-attach wait
loop checked for any recent WIREBIND-attached line instead of the
specific identity requested, firing the next device_add before the
kernel finished the current one. Only 2 of 8 identities attached; the
campaign itself completed cleanly with graceful "VM-EXEC: VM not found"
refusals rather than corrupting anything. Fixed the wait loop, discarded
the invalid run's campaign result (its boot log kept for the record),
reran clean.

Corrected reruns: all 8 identities individually confirmed on all 3
architectures, zero VM-not-found errors, zero faults, 81/81 trials
correct against established baseline values. Raw logs archived at
experiments/std79-doe/results-20260915-stage4/.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BWpNjdwPtFLuVLaAq44L9K

2026-09-15 04:56:31 -04:00

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