NousResearch/hermes-agent

Terminal tool hang blocking all asyncio timers fix

Cluster 94285. Data as of 2026-10-30 11:57 UTC

Nothing open on GitHub. Fix merged in #99506 on 31 Aug 2026. Check it covers your case.

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Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #99506. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #99506. That is separate from the fix event.
Still open: Nothing open on GitHub.

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A wedged synchronous poll in the terminal tool's env.execute path could silently disable all asyncio timers, causing hangs far beyond configured deadlines. The fix applies bounded execution to prevent the loop-thread block from starving the timer queue.

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Fixes on record

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

#99506 fix(terminal): bound env.execute wait so a wedged poll cannot disable every timer (#94285)

merged to main

files: agent/deadline.py, cron/scheduler.py, tests/agent/test_deadline.py, tests/cron/test_cron_inactivity_timeout.py, tests/tools/test_interrupt.py, tests/tools/test_terminal_bounded_execute.py, tools/environments/base.py, tools/interrupt.py

1 PR closed without merging

From the close comments: done elsewhere 1

#94305 fix(terminal): bound env.execute wait so a wedged poll cannot disable every timer (#94285) · done elsewhere → #99506

Closed issues · 1

Closed#94285[cron][tool-executor] terminal tool hung 4118s past both the tool deadline (420s) and inactivity limit (600s) — loop-thread block silently disables all asyncio timers; apply run_bounded_sync to the terminal path

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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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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: #99506
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 31 Aug 2026

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