# NousResearch/hermes-agent · cua-driver idle CPU usage and overlay fix

## Open now

- Nothing open on GitHub.

Reports and fixes for cua-driver consuming excessive CPU while idle, traced to a cursor-overlay vImage redraw loop, with proposed mitigations involving disabling or bypassing the overlay on Linux, WSL2, and macOS.

## TL;DR

- 4 member(s): 0 open issue(s), 2 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #69903. Verify it addresses your case.
- **Recommended:** read PR #69903 (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: `resolved` · deciding PR(s): `pr-69903`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.56`: 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

- #28152: computer-use / cua-driver can consume CPU while idle
- #47032: \[Bug\]: cua-driver pegs CPU at 100% indefinitely in cursor-overlay vImage redraw loop (concrete stack for #28152)

## Prior & competing PRs

- **#69903: fix(computer_use): disable cua-driver overlay by default on macOS/WSL (supersedes #53841)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `hermes_cli/config.py`, `tests/computer_use/test_cua_no_overlay.py`, `tests/tools/test_computer_use.py`, `tools/computer_use/cua_backend.py`
- **#53841: fix(computer_use): pass --no-overlay to cua-driver on Linux/WSL2 to prevent idle CPU**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`

## Fix status

- Merged to main in PR #69903 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-07-23`.
- Subsystem: `agent`