# NousResearch/hermes-agent · Zombie subprocess reaping in web server and meet-bot

## Open now

- Nothing open on GitHub.

These issues and pull requests address zombie subprocess accumulation in web_server.py and meet-bot, where child processes were polled but never properly waited on or reaped. Multiple fix attempts target the _ACTION_PROCS handling and pcm_pump subprocess cleanup.

## TL;DR

- 7 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 5 PR(s) closed without merging.
- A fix was merged to main in PR #41651. Verify it addresses your case.
- **Recommended:** read PR #41651 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.29`: the share of member 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.

## Closed / duplicate issues

- #38032: \[Bug\]: web_server.py: dashboard action subprocesses become zombies — _ACTION_PROCS uses .poll() but never .wait()

## Prior & competing PRs

- **#38040: fix(web-server): reap zombie action subprocesses + fix meet_bot pcm_pump leak**. closed without merge · fix tier `suggested`
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `78e2101cd`, `#38049`, `#38032`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#38045: fix(web_server): reap finished action subprocesses to prevent zombie accumulation**. closed without merge · fix tier `suggested`
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `78e2101cd`, `#38049`, `#38032`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#41651: fix: batch salvage of 10 low-risk fixes (@islam666)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `agent/context_compressor.py`, `agent/image_routing.py`, `agent/model_metadata.py`, `gateway/platforms/weixin.py`, `hermes_cli/gateway.py`, `hermes_cli/profile_distribution.py`, `hermes_cli/profiles.py`, `hermes_cli/web_server.py`, `plugins/google_meet/meet_bot.py`, `plugins/model-providers/xiaomi/__init__.py`, `providers/base.py`, `run_agent.py`, `scripts/release.py`, `tests/agent/test_custom_providers_vision.py`, `tests/agent/test_model_metadata.py`, `tests/gateway/test_weixin_typing.py`, `tests/hermes_cli/test_profile_distribution.py`, `tests/hermes_cli/test_systemd_optional_directives.py`, `tests/hermes_cli/test_web_server.py`, `tests/run_agent/test_infinite_compaction_loop.py` (+2 more)
- **#41709: fix(web_server): reap zombie action subprocesses + preserve exit code**. closed without merge · fix tier `suggested`
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `78e2101cd`, `#38049`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#38049: fix: reap zombie subprocesses in web_server action status and meet_bo…**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#41651`
- **#41946: fix(meet-bot): reap pcm_pump subprocess on bot exit to prevent zombies**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `78e2101cd2a82671c1550f370381d3c70f9b1f93`, `#41651`, `#38049`

## Fix status

- Merged to main in PR #41651 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-06-08`.
- Subsystem: `agent`