Rongsong Shen
d26ff8870d
The buglog was one 27K-line JSON file whose fields covered only symptom,
root cause and fix, as free text: 2% of entries named the code version a
bug was found on, 12% the build profile, 36% a way to reproduce, and 58% of
the file was OpenWolf hook auto-detections ("Missing guard clause",
"Function not marked async" on .md files).
- .claude/skills/buglog/bug-record.md: the record standard. Eight
sections (Summary as the title, Description, Environment, Reproduction;
Root cause, Fix, Verification, References once fixed), each with the
content it must contain -- e.g. Environment needs the OS, the libc the
failing binary loads (from its ELF interpreter: glibc 2.42 in the nix
shell vs 2.40 on the host), toolchain, build profile and commit.
- .wolf/bugs/<id>.md: 500 records migrated from buglog.json; every field
verified to round-trip. They carry legacy: true and an explicit "not
recorded" where the old log had no such field; component derived from
file paths, severity from keywords (else unknown), fix_commits from
hashes in status_note/fix that git resolves (91 of 463 fixed).
- .wolf/buglog-archive.json: the 710 hook auto-detections, verbatim.
- .wolf/buglog.json is now an index generated from the records, keeping
the fields OpenWolf's hooks and `openwolf bug search` read.
- scripts/buglog.py rewritten: new (template + Environment collected from
the machine and --binary), check, status (refuses a status the record
doesn't support; fixed needs Root cause, Fix, Verification and
--commit hashes git resolves), note, recur, set, show, list, triage,
env, index. 29 unittest cases in scripts/tests/test_buglog.py.
- scripts/git-hooks/pre-commit runs `check --staged`: incomplete staged
records, a legacy record hand-changed to fixed without the fix-time
sections, a new record claiming legacy: true, or a stale index refuse
the commit.
- scripts/gitea-sync.py reads the records: issue body = the record's
sections plus linked fix commits (origin remote, GITEA_COMMIT_REPO to
override), and a body hash so an issue's text is refreshed when the
record changes.
- bug-1866 rewritten to the full standard as the worked example.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
---
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id: "bug-1849"
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status: "fixed"
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status_updated: "2026-09-24"
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status_note: ""
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component: "scheduler"
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severity: "unknown"
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timestamp: "2026-09-24T05:30:00Z"
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files: ["src/scheduler/src/snapshot_load.c (xce_sched_core_load_snapshot)"]
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tags: ["scheduler", "sim", "snapshot", "logging"]
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related: []
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legacy: true
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gitea_issue: 292
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gitea_synced_status: "fixed"
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---
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# bug-1849: Every --sim run logged 'WARN xce_sched_core_load_snapshot failed to resolve job picker plugin…
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## Description
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Every --sim run logged 'WARN xce_sched_core_load_snapshot failed to resolve job picker plugin (rc=-2); picker rebuild will be skipped for this load' -- misleading; flagged as a suspect during the bug-1846 investigation.
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## Environment
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_Not recorded (migrated from buglog.json)._
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## Reproduction
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_Not recorded (migrated from buglog.json)._
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## Root cause
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Benign ordering, not a fault: the only caller (sim.c's sim_locate_and_load_snapshot()) loads the snapshot before any picker is registered; sim_bootstrap_picker() (sim_picker.c, bug-1567) then replays the full on_queue_update + on_job_push walk against the restored core (builtin_fcfs has no on_config, and on_job_push filters non-PEND jobs itself), so the picker ends up fully rebuilt.
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## Fix
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FIXED (2026-09-24). Downgraded to TRACE with a comment explaining the deferral; header comment updated. No test (log-level-only change).
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## Verification
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_Not recorded (migrated from buglog.json)._
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## References
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- Gitea: #292
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