NousResearch/hermes-agent

WAL deletion detection fix for OpenZFS dentries

Cluster 107401. Data as of 2026-10-26 12:29 UTC

Nothing open on GitHub. Fix merged in #108082 on 11 Sep 2026. Check it covers your case.

open issues

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items grouped

Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #108082. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #108082. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #108082, then check it covers your case.

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These items address a bug where the deleted-WAL guard incorrectly identifies OpenZFS '(deleted)' directory entries as unlinked files, causing spurious DeletedWalGenerationError and related database wedging. The fix changes the identity check to compare file descriptors against the watched path rather than st_nlink.

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Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

#108082 state.db no longer wedges on a healthy WAL: OpenZFS/close() false DeletedWalGenerationError, unconfirmed-WAL read pool, transient read IOERR, stale lock banner (#107401 #105567 #86515 #100871 #108031, salvage #107411 #105578 #105711 #106958)

merged to main

files: agent/turn_explainers.py, contributors/emails/[redacted:email], contributors/emails/[email protected], gateway/run_notifications.py, hermes_state.py, hermes_state_dbfile.py, hermes_state_errors.py, hermes_state_readpool.py, hermes_state_wal.py, tests/gateway/test_session_db_warning_recheck.py, tests/hermes_state/test_deleted_wal_generation_guard.py, tests/hermes_state/test_read_path_transient_ioerr.py, tests/hermes_state/test_wal_active_confirmed.py, tests/run_agent/test_turn_completion_explainer.py, tests/test_hermes_state_wal_fallback.py

1 PR closed without merging

From the close comments: merged via another change 1

#107411 fix(state): compare fd identity against the watched path, not st_nlink · merged via another change → d956e05, #108082

Closed issues · 1

Closed#107401[Bug]: deleted-WAL guard misreads OpenZFS `(deleted)` dentries as unlinked sidecars — permanent DeletedWalGenerationError, JSONL fallback

How this cluster was grouped

Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Merged PRs: #108082
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 11 Sep 2026

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