cv2(gpu-death): compose guest GPU-death fix onto the deployed capstats+rearm lineage (deploy-ready superset) #42

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triform-admin merged 1 commit from cv2/gpu-death-recycle into capstats-plus-rearm

2026-07-10 07:53:05 +00:00

triform-admin commented

2026-07-10 07:52:53 +00:00

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Deploy-ready superset for the CV2 WebRTC ≥90% gate

The deployed cb-chromium image cr7727-f5dcb6087fa9 = this base branch capstats-plus-rearm (getCaptureStats health-gate + capture-rearm). The last measured residual (~15-20%) is the guest run11 zero-production GPU death — root-caused live: full WebRTC handshake completes (offer+answer+ICE delivered, ICE connected) yet the guest sends 0 RTP.

The fix (guest self-detect GPU death → kSessionUnhealthy envelope → recycle; physics consumer #157 already landed) lives on cv2/gpu-death-recycle. It was merged to main (PR #41), but main lacks getCaptureStats — building from main would regress the poisoned-golden health-gate the isolator + recycler depend on.

This PR composes the fix onto the correct lineage: capstats-plus-rearm + the gpu-death commit = getCaptureStats + capture-rearm + gpu-death (verified all three coexist; merge-base is #37 so only the gpu-death delta lands). Merging here yields the exact image to build → cr7727-<sha> → cb-rootfs bake → pin → roll → re-measure ≥90%.

🤖 Generated with Claude Code

## Deploy-ready superset for the CV2 WebRTC ≥90% gate The deployed cb-chromium image `cr7727-f5dcb6087fa9` = this base branch `capstats-plus-rearm` (getCaptureStats health-gate + capture-rearm). The last measured residual (~15-20%) is the guest run11 zero-production GPU death — root-caused live: full WebRTC handshake completes (offer+answer+ICE delivered, ICE connected) yet the guest sends 0 RTP. The fix (guest self-detect GPU death → `kSessionUnhealthy` envelope → recycle; physics consumer #157 already landed) lives on `cv2/gpu-death-recycle`. It was merged to `main` (PR #41), but **main lacks getCaptureStats** — building from main would regress the poisoned-golden health-gate the isolator + recycler depend on. This PR composes the fix onto the **correct lineage**: `capstats-plus-rearm` + the gpu-death commit = getCaptureStats + capture-rearm + gpu-death (verified all three coexist; merge-base is #37 so only the gpu-death delta lands). Merging here yields the exact image to build → `cr7727-<sha>` → cb-rootfs bake → pin → roll → re-measure ≥90%. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

triform-admin added 1 commit

2026-07-10 07:52:53 +00:00

cv2(gpu-death): guest self-detect permanent renderer/GPU death -> signal + recycle

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0a997b2142

Run11-class residual (~8% after the =15 GPU-crash fix): guest whose BeginFrame ack-loop is healthy but renderer produces ZERO frames forever. Guest detects (captured_delta==0 for 30s once armed) -> session_unhealthy wire envelope -> CloseUnhealthy -> clean exit so physics re-pins a fresh guest. Review-hardened: arm-gate prevents warm-boot latch-burnout; PrepareForTeardown before close; +tests. Strings-gate marker CV2-GPU-DEATH.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>