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Modbus-integration crashes and won't get up again without reboot #85714
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Hey there @adamchengtkc, @janiversen, @vzahradnik, mind taking a look at this issue as it has been labeled with an integration ( Code owner commandsCode owners of
(message by CodeOwnersMention) modbus documentation |
You have stumbled across a known bug in pymodbus, this is actually solved in a newer pymodbus version. Once pymodbus v3.1 gets released I will update the integration. |
Alright! That is good news. Thanks for your quick reply. I will be sure to update as soon as it a part of an HA-release. |
#85961 should fix your problem. If not please let me know, because then I need to do more testing in the library. |
Hi, this problem is not solved. I had the problem when updating to 2023.02.01. Unfortunately there was no public information about the update to 3.x Neverless, great work! |
There was information, just look in the CHANGELOG. |
Keep cool buddy.. greetz |
CHANGELOG is a standard document that is part of every release. Just look at the release https://github.com/home-assistant/core/releases/tag/2023.2.1 |
but not for 2023.2.0. https://github.com/home-assistant/core/releases/tag/2023.2.0 have a nice day |
actually it has the list of commits: 2023.2.0...master and if yo look here, you can see it is our standard to show the commits in a release. |
Come on, no one's looking at that. |
The problem
I am using the Modbus-integration to communicate with my Systemair VSR500 ventilation system. I have configured several sensor. It crashed while having far less sensors as well, but I am sharing the current config as this crashes every day. The integration stops retrieving the Modbus data and I have not found any other way than restarting the entire HA. This makes it work for another day or so. I have setup debug logging to be able figure out what is wrong. Please see below.
![Screenshot 2023-01-11 at 21 16 00](https://user-images.githubusercontent.com/7596134/211908878-022eed8e-0465-4536-98d9-96f2f68b687c.png)
Showing a graph of one of the sensor and the last data point retrieved.Home Assistant Modbus.log
Additional logs from Home Assistant as it was too long to include in the logs textarea below.
FWIW: Systemair VSR500 Modbus variable reference: https://shop.systemair.com/upload/assets/SAVE_MODBUS_VARIABLE_LIST_20210301_REV36.PDF?58f78dfe
What version of Home Assistant Core has the issue?
Home Assistant 2023.1.2
What was the last working version of Home Assistant Core?
Home Assistant 2023.1.2
What type of installation are you running?
Home Assistant OS
Integration causing the issue
Modbus
Link to integration documentation on our website
https://www.home-assistant.io/integrations/modbus/
Diagnostics information
No response
Example YAML snippet
Anything in the logs that might be useful for us?
Additional information
No response
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