I started to get NULL values in realtime.txt (using crt plugin)
Davis Vantage Pro2 nad Davis Vue wireless
Raspberry Pi, USB - serial link
Weewx 4.4.0
Same config and setup have been working since end of January
Any idea what is cuasing this
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdReport
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdReport
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO __main__: Starting up weewx version 4.4.0
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.engine: Clock error is -0.13 seconds (positive is fast)
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.engine: Using binding 'wx_binding' to database 'weewx.sdb'
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Starting backfill of daily summaries
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Daily summaries up to date
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Getting archive packets since 2021-02-19 16:32:00 CET (1613748720)
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Retrieving 1 page(s); starting index= 3
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Added record 2021-02-19 16:33:00 CET (1613748780) to database 'weewx.sdb'
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Added record 2021-02-19 16:33:00 CET (1613748780) to daily summary in 'weewx.sdb'
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Added record 2021-02-19 16:34:00 CET (1613748840) to database 'weewx.sdb'
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.manager: Added record 2021-02-19 16:34:00 CET (1613748840) to daily summary in 'weewx.sdb'
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] INFO weewx.engine: Starting main packet loop.
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Requesting 200 LOOP packets.
Feb 19 16:34:17 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
Feb 19 16:34:22 aad-raspberry-01 weewx[21406] ERROR weewx.drivers.vantage: LOOP try #1; error: Expected to read 99 chars; got 0 instead
Feb 19 16:34:26 aad-raspberry-01 weewx[21406] ERROR weewx.drivers.vantage: LOOP try #2; error: Expected to read 99 chars; got 0 instead
Feb 19 16:34:30 aad-raspberry-01 weewx[21406] ERROR weewx.drivers.vantage: LOOP try #3; error: Expected to read 99 chars; got 0 instead
Feb 19 16:34:34 aad-raspberry-01 weewx[21406] ERROR weewx.drivers.vantage: LOOP try #4; error: Expected to read 99 chars; got 0 instead
Feb 19 16:34:34 aad-raspberry-01 weewx[21406] ERROR weewx.drivers.vantage: LOOP max tries (4) exceeded.
Feb 19 16:34:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: Main loop exiting. Shutting engine down.
Feb 19 16:34:34 aad-raspberry-01 weewx[21406] CRITICAL __main__: Caught WeeWxIOError: Max tries exceeded while getting LOOP data.
Feb 19 16:34:34 aad-raspberry-01 weewx[21406] CRITICAL __main__: **** Waiting 60 seconds then retrying...
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO __main__: retrying...
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO __main__: Using configuration file /etc/weewx/weewx.conf
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO __main__: Debug is 1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG __main__: Initializing engine
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: Loading station type Vantage (weewx.drivers.vantage)
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Driver version is 3.2.1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Option loop_request=1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Opened up serial port /dev/ttyUSB0; baud 19200; timeout 4.00
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Gentle wake up of console successful
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Hardware type is 16
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: ISS ID is 1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.drivers.vantage: Hardware name: Vantage Pro2
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdTimeSynch
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdTimeSynch
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdConvert
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: StdConvert target unit is 0x1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdConvert
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdCalibrate
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdCalibrate
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdQC
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdQC
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxservices.StdWXCalculate
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdQC
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxservices.StdWXCalculate
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.manager: Daily summary version is 4.0
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.wxservices.StdWXCalculate
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service user.crt.CumulusRealTime
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO user.crt: service version is 0.21
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO user.crt: realtime txt output goes to /home/weewx/realtime/realtime.txt
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO user.crt: 'None' values will be displayed as NULL
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO user.crt: zambretti forecast: False
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO user.crt: binding is loop
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service user.crt.CumulusRealTime
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxxtypes.StdWXXTypes
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.wxxtypes.StdWXXTypes
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxxtypes.StdPressureCooker
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.wxxtypes.StdPressureCooker
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxxtypes.StdRainRater
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.wxxtypes.StdRainRater
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.wxxtypes.StdDelta
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.wxxtypes.StdDelta
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdArchive
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: Archive will use data binding wx_binding
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: Record generation will be attempted in 'hardware'
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] ERROR weewx.engine: The archive interval in the configuration file (300) does not match the station hardware interval (60).
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.engine: Using archive interval of 60 seconds (specified by hardware)
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Use LOOP data in hi/low calculations: 1
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdArchive
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdStationRegistry
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: StationRegistry: Registration not requested.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdStationRegistry
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdWunderground
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: Wunderground: Posting not enabled.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdWunderground
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdPWSweather
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: PWSweather: Posting not enabled.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdPWSweather
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdCWOP
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: CWOP: Posting not enabled.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdCWOP
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdWOW
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: WOW: Posting not enabled.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdWOW
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.restx.StdAWEKAS
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO weewx.restx: AWEKAS: Posting not enabled.
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.restx.StdAWEKAS
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdPrint
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdPrint
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Loading service weewx.engine.StdReport
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] DEBUG weewx.engine: Finished loading service weewx.engine.StdReport
Feb 19 16:35:34 aad-raspberry-01 weewx[21406] INFO __main__: Starting up weewx version 4.4.0