{"repo":"NousResearch/hermes-agent","public_id":"105567","display_label":"WAL/close race bugs and serialization fixes","summary":"These items address race conditions and false errors involving WAL generation probes, SessionDB close(), and related state.db locking or I/O error scenarios. They include a bug report, a serialization fix, and a broader remediation effort targeting several interconnected WAL-related issues.","subsystem":null,"counts":{"members":3,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":108082,"merged_at":"2026-09-11T13:23:24+00:00"},"resolution":{"state":"resolved","by":"pr-108082"},"freshness":{"state":"verified","last_verified_at":"2026-09-11T13:23:24+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":30816,"pr_number":108082,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-11T13:23:24+00:00"},{"issue_number":86515,"pr_number":108082,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-11T13:23:24+00:00"},{"issue_number":100871,"pr_number":108082,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-11T13:23:24+00:00"},{"issue_number":105567,"pr_number":108082,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-11T13:23:24+00:00"},{"issue_number":107401,"pr_number":108082,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-11T13:23:24+00:00"},{"issue_number":108031,"pr_number":108082,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-11T13:23:24+00:00"}],"members":[{"kind":"issue","number":105567,"title":"[Bug]: clean SessionDB.close() racing append_message can trigger sticky DeletedWalGenerationError (synthetic repro)","url":null,"state":"closed"},{"kind":"pr","number":105578,"title":"fix(state): serialize replaced/generation probe with close() in _execute_write (#105567)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"d956e05e5e","number":0},{"kind":"pr","value":"#108082","number":108082}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":108082,"title":"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)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/turn_explainers.py","contributors/emails/[redacted:email]","contributors/emails/nikkoxgonzales@users.noreply.github.com","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"]}],"trust":{"default_tier":"verified","includes_suggested":false}}