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openclaw - 💡(How to fix) Fix openclaw doctor hangs after banner on v2026.4.24 [4 comments, 5 participants]

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openclaw/openclaw#72566•Fetched 2026-04-28 06:34:25
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openclaw doctor (with or without --fix, --non-interactive, or --yes flags) hangs indefinitely after displaying the ASCII art banner. No further output is produced. The process must be manually killed.

Root Cause

openclaw doctor (with or without --fix, --non-interactive, or --yes flags) hangs indefinitely after displaying the ASCII art banner. No further output is produced. The process must be manually killed.

Code Example

openclaw doctor
# or
openclaw doctor --fix
# or
openclaw doctor --non-interactive

---

▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
...
                  🦞 OPENCLAW 🦞                    

┌  OpenClaw doctor
RAW_BUFFERClick to expand / collapse

Bug Report

Description

openclaw doctor (with or without --fix, --non-interactive, or --yes flags) hangs indefinitely after displaying the ASCII art banner. No further output is produced. The process must be manually killed.

Environment

  • OS: macOS (Darwin 25.4.0, Apple Silicon)
  • openclaw: 2026.4.24 (cbcfdf6)
  • Node: v25.9.0 (Homebrew)
  • Install method: npm install -g [email protected]

Steps to Reproduce

openclaw doctor
# or
openclaw doctor --fix
# or
openclaw doctor --non-interactive

All variants hang after displaying:

▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
...
                  🦞 OPENCLAW 🦞                    

┌  OpenClaw doctor

(no further output)

Additional Context

  • The gateway is running fine (openclaw-gateway PID active on port 18789)
  • Other CLI commands work (openclaw --version, openclaw --help, etc.)
  • Process stays in SN (sleeping + nice) state indefinitely
  • lsof shows no blocked file I/O — appears to be deadlocked on an internal check
  • Tried with piped input (echo "yes" | openclaw doctor), same result

Expected Behavior

Doctor should run health checks and display results (or errors) without hanging.

extent analysis

TL;DR

The openclaw doctor command may be deadlocked on an internal check, and a potential workaround is to investigate and resolve any issues with the openclaw-gateway or the environment.

Guidance

  • Investigate the openclaw-gateway process and its configuration to ensure it is running correctly and not causing the deadlock.
  • Check for any resource constraints or limitations on the system that could be contributing to the issue, such as memory or CPU usage.
  • Try running the command with increased verbosity or debugging output to gather more information about the point of failure.
  • Consider testing the command on a different environment or system to isolate the issue.

Example

No code snippet is provided as the issue is related to a specific command and environment.

Notes

The issue may be specific to the macOS environment or the version of openclaw being used. Further investigation is needed to determine the root cause.

Recommendation

Apply workaround: Investigate and resolve any issues with the openclaw-gateway or the environment, as the command is likely deadlocked on an internal check.

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#mixed precision#training loop#device allocation#model download#tokenizer error

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openclaw - 💡(How to fix) Fix openclaw doctor hangs after banner on v2026.4.24 [4 comments, 5 participants]