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openclaw - 💡(How to fix) Fix [Bug]:TUI Fatal Deadlock [1 comments, 2 participants]

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openclaw/openclaw#75844•Fetched 2026-05-02 05:29:10
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Section I Environment Details

A Operating System Windows 11 Pro B Linux Subsystem WSL2 Ubuntu 24.04 C Workstation Configuration BigGun Core Ultra 9 285K 96GB RAM D Software Version OpenClaw 2026.4.29

Section II Technical Issue Summary

A TUI Fatal Deadlock 1 The terminal user interface freezes during the initial handshake at the connecting idle state 2 The application enters a synchronous execution lock making it completely unresponsive to SIGINT Control C 3 Recovery requires a hard termination of the terminal process or window

B Diagnostic Tooling Regressions 1 The openclaw status command incorrectly identifies valid service commands as non-standard when wrapped in a Linux group switch wrapper 2 The openclaw doctor repair command reverts systemd service units to a baseline that lacks necessary permission wrappers for Docker orchestration

Section III Diagnostic Findings

A Gateway Resilience 1 Despite the TUI failure the background gateway remains fully operational 2 Local and proxied connections to the Web UI at port 18789 function perfectly 3 The core engine continues to process agentic logic and manage WebSocket sessions during the TUI freeze

B Log Output Analysis 1 Debug logs terminate after rendering initial session metadata 2 No network timeout or error stack is generated suggesting the event loop is blocked prior to handshake completion 3 Clearing the local TUI cache does not resolve the deadlock

Section IV Steps to Reproduce

1 Install OpenClaw 2026.4.29 on a WSL2 environment 2 Configure a systemd user service with an explicit lan binding flag 3 Establish a port proxy from the Windows host to the Linux NAT IP 4 Launch openclaw tui from within the Ubuntu terminal while a Web UI session is either active or available

Section V Current Status

A The Web UI serves as the primary and stable control surface B The terminal interface is confirmed bugged in the current patch according to upstream GitHub Issue 75806 C Service configuration must be manually maintained to preserve the sg docker wrapper required for MCP container management

Error Message

2 No network timeout or error stack is generated suggesting the event loop is blocked prior to handshake completion

Root Cause

Section I Environment Details

A Operating System Windows 11 Pro B Linux Subsystem WSL2 Ubuntu 24.04 C Workstation Configuration BigGun Core Ultra 9 285K 96GB RAM D Software Version OpenClaw 2026.4.29

Section II Technical Issue Summary

A TUI Fatal Deadlock 1 The terminal user interface freezes during the initial handshake at the connecting idle state 2 The application enters a synchronous execution lock making it completely unresponsive to SIGINT Control C 3 Recovery requires a hard termination of the terminal process or window

B Diagnostic Tooling Regressions 1 The openclaw status command incorrectly identifies valid service commands as non-standard when wrapped in a Linux group switch wrapper 2 The openclaw doctor repair command reverts systemd service units to a baseline that lacks necessary permission wrappers for Docker orchestration

Section III Diagnostic Findings

A Gateway Resilience 1 Despite the TUI failure the background gateway remains fully operational 2 Local and proxied connections to the Web UI at port 18789 function perfectly 3 The core engine continues to process agentic logic and manage WebSocket sessions during the TUI freeze

B Log Output Analysis 1 Debug logs terminate after rendering initial session metadata 2 No network timeout or error stack is generated suggesting the event loop is blocked prior to handshake completion 3 Clearing the local TUI cache does not resolve the deadlock

Section IV Steps to Reproduce

1 Install OpenClaw 2026.4.29 on a WSL2 environment 2 Configure a systemd user service with an explicit lan binding flag 3 Establish a port proxy from the Windows host to the Linux NAT IP 4 Launch openclaw tui from within the Ubuntu terminal while a Web UI session is either active or available

Section V Current Status

A The Web UI serves as the primary and stable control surface B The terminal interface is confirmed bugged in the current patch according to upstream GitHub Issue 75806 C Service configuration must be manually maintained to preserve the sg docker wrapper required for MCP container management

Fix Action

Fix / Workaround

A The Web UI serves as the primary and stable control surface B The terminal interface is confirmed bugged in the current patch according to upstream GitHub Issue 75806 C Service configuration must be manually maintained to preserve the sg docker wrapper required for MCP container management

RAW_BUFFERClick to expand / collapse

Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

Section I Environment Details

A Operating System Windows 11 Pro B Linux Subsystem WSL2 Ubuntu 24.04 C Workstation Configuration BigGun Core Ultra 9 285K 96GB RAM D Software Version OpenClaw 2026.4.29

Section II Technical Issue Summary

A TUI Fatal Deadlock 1 The terminal user interface freezes during the initial handshake at the connecting idle state 2 The application enters a synchronous execution lock making it completely unresponsive to SIGINT Control C 3 Recovery requires a hard termination of the terminal process or window

B Diagnostic Tooling Regressions 1 The openclaw status command incorrectly identifies valid service commands as non-standard when wrapped in a Linux group switch wrapper 2 The openclaw doctor repair command reverts systemd service units to a baseline that lacks necessary permission wrappers for Docker orchestration

Section III Diagnostic Findings

A Gateway Resilience 1 Despite the TUI failure the background gateway remains fully operational 2 Local and proxied connections to the Web UI at port 18789 function perfectly 3 The core engine continues to process agentic logic and manage WebSocket sessions during the TUI freeze

B Log Output Analysis 1 Debug logs terminate after rendering initial session metadata 2 No network timeout or error stack is generated suggesting the event loop is blocked prior to handshake completion 3 Clearing the local TUI cache does not resolve the deadlock

Section IV Steps to Reproduce

1 Install OpenClaw 2026.4.29 on a WSL2 environment 2 Configure a systemd user service with an explicit lan binding flag 3 Establish a port proxy from the Windows host to the Linux NAT IP 4 Launch openclaw tui from within the Ubuntu terminal while a Web UI session is either active or available

Section V Current Status

A The Web UI serves as the primary and stable control surface B The terminal interface is confirmed bugged in the current patch according to upstream GitHub Issue 75806 C Service configuration must be manually maintained to preserve the sg docker wrapper required for MCP container management

Steps to reproduce

openclaw TUI

Expected behavior

Working TUI

Actual behavior

Frozen TUI

OpenClaw version

2026.4.29

Operating system

windows 11 / WSL / Ubuntu

Install method

Openclaw update

Model

N/A

Provider / routing chain

N/A

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

Web UI OK

Additional information

No response

extent analysis

TL;DR

The most likely fix is to wait for an update that addresses the known issue with the terminal interface, as indicated by upstream GitHub Issue 75806.

Guidance

  • Verify that the issue is indeed related to the known bug by checking the upstream GitHub issue for any updates or workarounds.
  • Use the Web UI as the primary control surface, as it is confirmed to be stable.
  • Manually maintain the service configuration to preserve the required Docker wrapper for MCP container management.
  • Consider downgrading to a previous version of OpenClaw if the bug is critical and an update is not available soon.

Example

No code snippet is provided as it is not clearly supported by the issue.

Notes

The issue seems to be a known regression, and the upstream GitHub issue should be monitored for updates. The provided information does not suggest a straightforward fix, and waiting for an update or using the Web UI as a workaround may be the best course of action.

Recommendation

Apply workaround: Use the Web UI as the primary control surface until an update is available that addresses the terminal interface issue. This is because the Web UI is confirmed to be stable, and the terminal interface bug is a known issue with no clear fix available.

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FAQ

Expected behavior

Working TUI

#logging issue#authentication issue#prompt issue#agent setup#task chaining

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openclaw - 💡(How to fix) Fix [Bug]:TUI Fatal Deadlock [1 comments, 2 participants]