NousResearch/hermes-agent

Session write-lock contention causing turn failures

Cluster 74478 · hermes cli. Data as of 2026-10-25 11:21 UTC

Nothing open on GitHub. Fix merged in #75885 on 1 Aug 2026. Check it covers your case.

open issues

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items grouped

Known?: Yes. 4 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #75885. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #74480. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #75885, then check it covers your case.

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A bug where sibling processes holding the state.db write lock for a few seconds could abort turns with session persistence failures. Fixes introduce time-based lock patience with backoff jitter to tolerate brief lock contention.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

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

#74480 fix(state): time-based write-lock patience so busy sibling processes can't destroy turns

merged to main

files: hermes_state.py, tests/state/test_write_lock_patience.py
#75885 fix(config): refuse writes over corrupt YAML; fix same-URL provider extra_headers shadowing

merged to main

files: hermes_cli/config.py, tests/hermes_cli/test_custom_provider_extra_headers.py, tests/hermes_cli/test_set_config_value.py

1 PR closed without merging

From the close comments: superseded by another PR 1

#74503 fix(sessiondb): time-based lock patience with backoff jitter (#74478) · superseded by another PR → 8da8a78, #74480, #75885

Closed issues · 1

Closed#74478[Bug]: Turn aborted as session_persistence_failed / SessionDB init disabled when a sibling process holds the state.db write lock for a few seconds

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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: 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

Subsystem: hermes cli
Merged PRs: #74480, #75885
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 1 Aug 2026

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