No Pong received?

Installation
1

Hello all. My Home assistant suddenly became unbearably slow. To the point where it’s basically unusable. Rebooting hasnt helped.

All i can see in the logs is: 2025-06-11 06:23:16.711 WARNING (MainThread) [homeassistant.components.websocket_api.http.connection] [281472763282912] Nicholas Cheung from 192.168.1.32 (Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds

any help?

2

Also restart your router and you client machine.

3

I did, no improvement. Everything takes forever to load, as in, it takes 10 minutes to load my dashboard and sometimes it just shows a blank screen…

4

Details would help. What hardware, what installation method (HAOS or container), what version of HA etc?

5

Home assistant green, HAOS, core 2025.5.3, operatiing system 14.2.

will this suffice?

1 Like
6

I am receiving the same error. I’ve been receiving it for a while (a month or more?). What’s interesting is that its exactly the same amount of time (27.5 seconds).

Logger: homeassistant.components.websocket_api.http.connection
Source: components/websocket_api/http.py:553
integration: Home Assistant WebSocket API (documentation, issues)
First occurred: 6:34:32 PM (1 occurrence)
Last logged: 6:34:32 PM

[139677450077984] Jim from 10.0.2.81 (Mozilla/5.0 (X11; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds

I’m connecting from my laptop with Firefox. When I open the default overview dashboard, things start to load. They either stop loading immediately and then I can’t scroll, or they load about a page, but again, I can’t scroll. Luckily, if I click on SETTINGS, and then refresh the page, I can get into SETTINGS without issue and can move around. This makes me think that something on the dashboard is freaking out. I have the same issue on using the HA Companion app on my Pixel. Dashboard behaves exactly the same. I just can’t get into a menu and click on SETTINGS. I just don’t know what log to check to find out this info. Can anyone help?

I’ve uninstalled VS Code Server, and same result. I’ve verified that the SSD has space left (I’ve only used 6% space). I’m running bare metal install of HAOS, I’ve just upgraded to 2025.10.4 and still have the issue.

I just tried looking through some add-ons. I’ve got the OpenSprinkler integration, and when I look at the integration, it’s hanging. I wonder if this is the culprit…

7

The line you receive is an information line and not really important.
It just means your browser stopped responding, so maybe you used the browser to watch another page or you closed the browser or you shutdown or put the computer to sleep.

10 minutes hang indicate a timeout hang.
This could be the an issue with the integration you see hanging.

8

You were correct! It was the OpenSprinkler HACS integration. I had to search for it in the HACS store and I noticed there was an option to download. So I did, restarted HA, and the dashboard hang stopped! Now HA is useable again. Thanks!!