{ "number": 36679, "input_hash": "5551f990a8d4dbbc", "model": "ledger", "prompt_hash": null, "created": "2026-10-30T01:12:40+00:00", "result": { "summary": "Enables IPC in the 32-bit x86 (i686) continuous integration job. It renames the CI environment setup script and drops the configuration flag that disabled IPC for that job.", "problem": "The i686 CI job was arbitrarily chosen to test building with `-DENABLE_IPC=OFF`, leaving IPC functionality untested on 32-bit x86 where compiler ABI differences can cause failures.", "card": "Enables IPC testing in the 32-bit x86 (i686) continuous integration job. The i686 job previously explicitly disabled IPC to provide coverage for -DENABLE_IPC=OFF, leaving 32-bit IPC configurations untested in CI. Compiler ABI differences on 32-bit platforms have previously caused failures in libmultiprocess, making CI coverage desirable to catch regressions. The change affects only CI configuration.", "evidence": [ "Commit message: \"Exercise IPC on 32-bit x86, where compiler ABI differences have caused failures.\"", "Description points to bitcoin-core/libmultiprocess#383 as an example of 32-bit ABI issues requiring coverage." ], "scope_notes": "", "changed_since_previous": "Diff is now available; the implementation renames `ci/test/00_setup_env_i686_no_ipc.sh` to `00_setup_env_i686.sh` and updates the workflow job definition.", "thread": { "last_event_at": "2026-10-28T16:05:34Z", "events": 10, "head_sha": "65ddcb4f35c5fd315ecb9d9a6d0f076b37edcadd", "schema_floor": 2, "schema": 2 }, "waiting_on": [ { "at": "2026-10-28", "id": "c:6474076294", "on": "reviewer", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6474076294", "what": "input from ryanofsky as requested by fanquake" }, { "at": "2026-10-28", "id": "c:6474076294", "on": "reviewer", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6474076294", "what": "feedback from ryanofsky as requested by fanquake" }, { "at": "2026-10-28", "id": "c:6468220320", "on": "author", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6468220320", "what": "response to l0rinc's remark regarding 32-bit architecture support" } ], "risk": { "level": "low", "touches": [ "tests", "tooling" ], "why": "A mistake would only cause failures or misconfigurations in the i686 CI job." }, "discussion": { "author_status": "last statement processed 2026-10-28", "open_concerns": [ "l0rinc: Questioned the value of spending project time supporting 32-bit architectures" ], "resolved_concerns": [ "maflcko: Did CI ever catch a failure due to -DENABLE_IPC=OFF? (accepted by maflcko 2026-10-28)" ] }, "reviewability": { "state": "Ready", "label": "Ready", "reason": "Nothing known that would invalidate a review now." }, "agreement": { "state": "Strong", "summary": "Strong: substantive support, no open objection (maflcko)", "reason": "Initial record for PR #36679. maflcko provided a substantive ACK after discussing -DENABLE_IPC=OFF coverage, while l0rinc noted skepticism regarding 32-bit support without blocking. / Initial record. maflcko provided an ACK after confirming CI history. l0rinc questioned spending effort on 32-bit support, and fanquake pinged ryanofsky for thoughts.", "evidence": [ "l0rinc (suggestion, usefulness, must be answered, open): Questioned the value of spending project time supporting 32-bit architectures", "maflcko: ACK \u2014 The changes here should be fine since 0136e17c0a963e82bf47c223d41f4d5c009520c0" ], "objections": [ { "reviewer": "maflcko", "association": "MEMBER", "type": "question", "kind": "usefulness", "harm": "", "request": "", "question": "Did CI ever catch a failure due to -DENABLE_IPC=OFF?", "text": "Did CI ever catch a failure due to -DENABLE_IPC=OFF?", "clears_with": "answer", "blocking": false, "status": "accepted", "status_note": "author replied and maflcko confirmed it is not a blocker", "cleared": true, "author_replied": true, "others_replied": false, "fix_pushed": false, "replies": [ "c:6462883532", "c:6463348933" ], "evidence": "2026-10-28: 'Do you recall if this ci config piece ever failed?'", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6462410779", "id": "c:6462410779", "at": "2026-10-28", "status_at": "2026-10-28", "status_by": "maflcko", "resolution_evidence": "2026-10-28: maflcko: 'But not a blocker, just thinking for the future.'", "pin": null, "from_schema": 2 }, { "reviewer": "l0rinc", "association": "MEMBER", "type": "suggestion", "kind": "usefulness", "harm": "", "request": "Questioned the value of spending project time supporting 32-bit architectures", "question": "", "text": "Questioned the value of spending project time supporting 32-bit architectures", "clears_with": "answer", "blocking": false, "status": "open", "status_note": "", "cleared": false, "author_replied": false, "others_replied": false, "fix_pushed": false, "replies": [], "evidence": "2026-10-28: 'I don't think pretending like we fully support 32 bit architectures is the best use of our time'", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6468220320", "id": "c:6468220320", "at": "2026-10-28", "status_at": null, "status_by": null, "resolution_evidence": "", "pin": null, "from_schema": 2 } ], "support": [ { "reviewer": "maflcko", "reason": "The changes here should be fine since 0136e17c0a963e82bf47c223d41f4d5c009520c0", "substantive": true, "verdict": "ACK", "id": "c:6462410779", "url": "https://github.com/bitcoin/bitcoin/pull/36679#issuecomment-6462410779", "at": "2026-10-28", "association": "MEMBER", "evidence": "read", "areas": [] } ], "participants": [ { "login": "fanquake", "stance": "neutral", "note": "pointed out recent musl and 32-bit issues and pinged ryanofsky", "association": "MEMBER", "comments": 2, "first": "2026-10-28", "last": "2026-10-28" }, { "login": "l0rinc", "stance": "neutral", "note": "questioned whether supporting 32-bit architectures is the best use of time, but stated they won't block", "association": "MEMBER", "comments": 1, "first": "2026-10-28", "last": "2026-10-28" }, { "login": "maflcko", "stance": "support", "note": "ACKed after clarifying whether -DENABLE_IPC=OFF coverage ever caught CI failures", "association": "MEMBER", "comments": 4, "first": "2026-10-28", "last": "2026-10-28" } ], "derivation": "substantive support, no open objection (maflcko)", "model_state": null, "corrections": [], "notes": "Initial record for PR #36679. maflcko provided a substantive ACK after discussing -DENABLE_IPC=OFF coverage, while l0rinc noted skepticism regarding 32-bit support without blocking. / Initial record. maflcko provided an ACK after confirming CI history. l0rinc questioned spending effort on 32-bit support, and fanquake pinged ryanofsky for thoughts." }, "dependencies": { "depends_on": [], "enables": [] }, "categories": [ { "name": "build", "member": true, "evidence": "Modifies `.github/workflows/ci.yml` and `ci/test/` scripts to enable IPC in the i686 CI job.", "band": "P3", "reason_tag": "test coverage", "score": 0.35, "factors": { "bug_severity": 0, "leverage": 1, "performance": 0, "security_stability": 0, "user_value": 0 }, "rationale": "Enables IPC coverage on 32-bit x86 CI to catch compiler ABI issues. The commit message notes this exercises IPC on 32-bit x86 'where compiler ABI differences have caused failures', providing worthwhile platform test coverage without addressing an active release-blocking build failure." }, { "name": "tests", "member": true, "evidence": "Carries the Tests label and expands test matrix execution to cover IPC on 32-bit systems.", "band": "P3", "reason_tag": "test coverage", "score": 0.3, "factors": { "bug_severity": 0, "leverage": 1, "performance": 0, "security_stability": 0, "user_value": 0 }, "rationale": "Extends existing test suite execution to cover IPC under 32-bit x86. While primarily a CI configuration change, it closes a test coverage gap where 32-bit ABI differences previously went unexercised." } ], "confidence": "high", "uncertainties": [], "needs": [] }, "cost_usd": 0.0, "source": { "record": "2026-10-30T01:12:40+00:00", "code": "2026-10-30T01:17:00+00:00", "judgments": 2 } }