sometimes I have this problem
ago 24 11:16:48 sdomotica homeassistant[24583]: 2021-08-24 11:16:48 INFO (SyncWorker_48) [custom_components.mi_water_purifier.sensor] Initializing Xiaomi water purifier with (water pfd 182…)
ago 24 11:27:39 sdomotica homeassistant[24583]: Killed
ago 24 11:27:39 sdomotica systemd[1]: home-assistant.service: Main process exited, code=exited, status=137/n/a
ago 24 11:27:39 sdomotica systemd[1]: home-assistant.service: Failed with result ‘exit-code’.
without any specific kill the system crashes