myxce/.wolf/bugs/bug-1849.md
Rongsong Shen d26ff8870d
feat(buglog): one Markdown record per bug, checked against a record standard
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>
2026-09-28 03:40:11 +00:00

1.4 KiB

id status status_updated status_note component severity timestamp files tags related legacy gitea_issue gitea_synced_status
bug-1849 fixed 2026-09-24 scheduler unknown 2026-09-24T05:30:00Z
src/scheduler/src/snapshot_load.c (xce_sched_core_load_snapshot)
scheduler
sim
snapshot
logging
true 292 fixed

bug-1849: Every --sim run logged 'WARN xce_sched_core_load_snapshot failed to resolve job picker plugin…

Description

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.

Environment

Not recorded (migrated from buglog.json).

Reproduction

Not recorded (migrated from buglog.json).

Root cause

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.

Fix

FIXED (2026-09-24). Downgraded to TRACE with a comment explaining the deferral; header comment updated. No test (log-level-only change).

Verification

Not recorded (migrated from buglog.json).

References

  • Gitea: #292