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LCN Integration Crashes after few days #130905

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mtessmer87 opened this issue Nov 18, 2024 · 5 comments · Fixed by #133638
Closed

LCN Integration Crashes after few days #130905

mtessmer87 opened this issue Nov 18, 2024 · 5 comments · Fixed by #133638
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integration: lcn

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@mtessmer87
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The problem

Hi,

I am a newbie at HA, the Change from OH to HA was really smooth, but now i have an Problem with the lcn Integration.
The lcn integration crashes after a few days. Most of the time the integration crashes after 2-3 days. All other HA components works at this time fine, only LCN is not available.

In the Log i can find the following error, after this error, lcn is not available.

2024-11-14 08:58:11.487 ERROR (MainThread) [homeassistant] Error doing job: Task exception was never retrieved (None)
Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/pypck/connection.py", line 106, in read_data_loop
data = await self.reader.readuntil(PckGenerator.TERMINATION.encode())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/asyncio/streams.py", line 660, in readuntil
await self._wait_for_data('readuntil')
File "/usr/local/lib/python3.12/asyncio/streams.py", line 545, in _wait_for_data
await self._waiter
File "/usr/local/lib/python3.12/asyncio/selector_events.py", line 1003, in _read_ready__data_received
data = self._sock.recv(self.max_size)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TimeoutError: [Errno 110] Operation timed out

After a HA restart, the LCN integration works again until the error occurs again.

Any idea to solve this issue?

regards

What version of Home Assistant Core has the issue?

Core-2024.11.2

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

Lcn

Link to integration documentation on our website

https://www.home-assistant.io/integrations/lcn/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response
@home-assistant
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Hey there @alengwenus, mind taking a look at this issue as it has been labeled with an integration (lcn) you are listed as a code owner for? Thanks!

Code owner commands

Code owners of lcn can trigger bot actions by commenting:

  • @home-assistant close Closes the issue.
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  • @home-assistant unassign lcn Removes the current integration label and assignees on the issue, add the integration domain after the command.
  • @home-assistant add-label needs-more-information Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue.
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lcn documentation
lcn source
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@alengwenus
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Hi @mtessmer87,
it looks like the connection to your host coupler was unexpectedly interrupted. Usually such a TimeoutError occurs if the remote side does not respond without closing the connection properly. The reason might be manifold but is usually due to network or firewall issues.
Which host coupler are you using (VISU, PKE, PCHK, ...)? If it's the PCHK software, on which system is it running?

@mtessmer87
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Hi @alengwenus ,

Thanks vor your quick replay. The PCHK (connected to pku) runs on an separate Windows Host.
I will Check the Connection and the Security settings.

@alengwenus
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alengwenus commented Nov 18, 2024 •
edited
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If the system HA is running on or the PCHK host is connected via Wifi this could also cause instabilities in the TCP connection...
I've started working on some functionality to reestablish a broken connection but I guess I need some time to get it into a reliable state.

@mtessmer87
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Hi @alengwenus,

I'm sorry for my late message..
The issue is unfortunately still present and is now happening several times per day.
I switched off the timeout setting in the LCN, but unfortunately, it didn’t resolve the issue. Disabling the firewall also didn’t resolve it.

Any other ideas you might have?

regards
Martin

@alengwenus alengwenus mentioned this issue Dec 20, 2024
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Reload on connection lost for LCN integration alengwenus/home-assistant-core
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@alengwenus @mtessmer87