codex - 💡(How to fix) Fix Error running remote compact task: timeout waiting for child process to exit [5 comments, 4 participants]

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openai/codex#17802Fetched 2026-04-15 06:27:57
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Error Message

Error running remote compact task: timeout waiting for child process to exit No error

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What version of Codex CLI is running?

0.128.0

What subscription do you have?

API Key

Which model were you using?

gpt-5.5 high

What platform is your computer?

Linux 7.0.0-14-realtime x86_64 unknown

What terminal emulator and version are you using (if applicable)?

bash

What issue are you seeing?

Error running remote compact task: timeout waiting for child process to exit

What steps can reproduce the bug?

Uploaded thread: 019ddea5-02cb-7063-84bc-0460d7ec7f3b

What is the expected behavior?

No error

Additional information

No response

extent analysis

TL;DR

The issue can be mitigated by reducing the size of the context or optimizing the model-visible history to prevent timeouts during compaction.

Guidance

  • Investigate the large Neon MCP doc fetch and its impact on the thread's model-visible history to understand why compaction is timing out.
  • Review the logs at /home/kox/.t3/userdata/logs/provider/aa59955c-ee49-4b6d-8a39-07ae0234c689.log to identify patterns or common factors leading to compaction failures.
  • Consider reducing the context size or optimizing the model usage to minimize large payload additions to the thread's history.
  • Verify if the issue persists with smaller context sizes or optimized model usage to isolate the root cause.

Example

No specific code snippet can be provided without more context on the Codex CLI or model usage, but optimizing model inputs or reducing context sizes might look like adjusting parameters or preprocessing data before passing it to the model.

Notes

The provided information suggests a timeout issue during compaction due to large payloads, but without more details on the model, Codex CLI version, or specific usage, it's challenging to provide a definitive fix. The suggestions are based on the information given and may need further refinement based on additional context or logs.

Recommendation

Apply workaround: Reduce context size or optimize model usage to mitigate compaction timeouts, as this approach directly addresses the identified issue of large payloads causing timeouts during compaction.

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codex - 💡(How to fix) Fix Error running remote compact task: timeout waiting for child process to exit [5 comments, 4 participants]