macOS: ChatGPT process accumulates defunct children. Eventually causes: fork: Resource temporarily unavailable and posix_spawn failed.
Resolved 💬 3 comments Opened Aug 5, 2026 by superax23 Closed Aug 5, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
26.730.61639
What subscription do you have?
yes
What platform is your computer?
_No response_
What issue are you seeing?
macOS: ChatGPT process accumulates defunct children.
Eventually causes: fork: Resource temporarily unavailable
and posix_spawn failed.
What steps can reproduce the bug?
macOS: ChatGPT process accumulates defunct children.
Eventually causes: fork: Resource temporarily unavailable
and posix_spawn failed.
What is the expected behavior?
_No response_
Additional information
_No response_
3 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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After updating the codex version in the afternoon, I encountered the same problem
This fix worked for me: