Files
xenia-rs/audit-runs/review-a-step2-natural-trigger/differential-canary-tid17-vs-ours-tid13.txt
MechaCat02 ef93a4fa14 handoff: VSync/event-wedge fixes + iterate 2.A–2.BC research notes
Source changes (dormant parity infra, retained from iterate 2.AI/2.AO):
- xenia-kernel/exports.rs: nt_create_event manual_reset polarity +
  related event wiring
- xenia-gpu/mmio_region.rs: D1MODE_VBLANK_VLINE_STATUS hardcode parity

Also lands the audit-runs/ analysis notes (.md/.txt/.json digests) for the
iterate 2.x VSync/0x10e8/0x1004 wedge investigation. Raw trace dumps
(.jsonl/.gz/.csv/.stdout) and agent worktrees (.claude/) are gitignored as
regenerable local artifacts — see memory + HANDOFF for the running findings.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-05 07:19:08 +02:00

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Differential canary tid=17 (sub_821748F0 worker) vs ours tid=13
canary tid=17 total events: 4140, ours tid=13 total: 435
canary tid=17 duration: 1.9378s..2.0918s (154ms, terminates)
ours tid=13 duration: until wedge, never terminates
kernel.call canary ours delta
RtlEnterCriticalSection 607 58 +549
RtlLeaveCriticalSection 607 58 +549
NtClose 19 2 +17
NtCreateEvent 18 3 +15
NtDuplicateObject 16 2 +14
RtlInitAnsiString 11 1 +10
NtWaitForSingleObjectEx 11 2 +9
RtlInitializeCriticalSectionAndSpinCount 15 6 +9
NtQueryFullAttributesFile 9 1 +8
NtReleaseSemaphore 9 1 +8
RtlNtStatusToDosError 9 1 +8
NtSetEvent 8 1 +7
KeTlsSetValue 2 0 +2
NtCreateFile 2 0 +2
ExCreateThread 1 0 +1
ExTerminateThread 1 0 +1
KeQueryPerformanceFrequency 0 1 -1
KeTlsGetValue 1 0 +1
ExGetXConfigSetting 1 1 +0
KeSetAffinityThread 1 1 +0
ObDereferenceObject 1 1 +0
ObReferenceObjectByHandle 1 1 +0
XNotifyPositionUI 1 1 +0