Resolving Supervisor Timeout Issues in Home Assistant

I recently encountered a frustrating issue with my Home Assistant setup where the Supervisor was causing timeouts and system freezes. After days of troubleshooting, I finally pinpointed the problem and found a solution. Here’s my journey and how you can avoid the same pitfalls.

The Problem
My system started experiencing freezes and automatic reboots, which were traced back to the Supervisor. Logs showed frequent timeouts when connecting to the Home Assistant API, particularly when Node-RED was running. The errors were consistent, and the system would freeze for several minutes at a time.

The Investigation
I tried downgrading the Core to a previous version, suspecting the issue might be related to the latest updates. However, the problem persisted. I reviewed the logs meticulously and noticed that the issue occurred when Node-RED attempted to connect to the Mosquitto broker. This led me to explore the Supervisor’s WebSocket API configuration.

The Solution
After some research, I discovered that adjusting the Supervisor’s WebSocket settings could resolve the timeout issues. Specifically, increasing the timeout threshold and ensuring proper handling of WebSocket connections proved effective. I also updated my Node-RED flows to handle disconnections more gracefully.

Key Takeaways

  1. Monitor Logs Regularly: Early detection can prevent minor issues from becoming major headaches.
  2. Update and Optimize Add-ons: Ensure all add-ons are up-to-date and configured correctly.
  3. Test Configurations: After making changes, test thoroughly to confirm everything works as expected.

If you’re experiencing similar issues, I recommend checking your Supervisor settings and reviewing your add-on configurations. Happy troubleshooting! :rocket: