Also, I bought a new USB data logger as I thought that could be the issue. It was not.
Dave On Monday, May 9, 2022 at 8:32:18 AM UTC-5 David Hathaway wrote: > If you need another system to test on, mine reliably has this issue. I > talked about it in Unable to wake up Vantage console > <https://groups.google.com/g/weewx-user/c/tzEYLxJBVy8/m/691INrMDAAAJ> a > couple months ago. This is so persistent that I have jobs that starts > WeeWX every five minutes and then turn it off a minute later. Any longer > and WeeWX will abend. (Another job starts wee_reports to generate graphs, > etc) > > The log looks like this, > > May 9 08:20:00 HP-Iron weewx[2476847]: * Starting weewx weather system > weewx > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Initializing weewx > version 4.8.0 > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Using Python 3.8.10 > (default, Mar 15 2022, 12:22:08) #012[GCC 9.4.0] > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Platform > Linux-5.13.0-37-generic-x86_64-with-glibc2.29 > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Locale is > 'en_US.UTF-8' > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Using configuration > file /etc/weewx/weewx.conf > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: Debug is 0 > May 9 08:20:00 HP-Iron weewx[2476858] INFO __main__: PID file is > /var/run/weewx.pid > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Loading station > type Vantage (weewx.drivers.vantage) > May 9 08:20:00 HP-Iron weewx[2476847]: ...done. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: StdConvert > target unit is 0x1 > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.wxservices: > StdWXCalculate will use data binding wx_binding > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Archive will use > data binding wx_binding > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Record > generation will be attempted in 'hardware' > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Using archive > interval of 300 seconds (specified by hardware) > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: StationRegistry: > Station will be registered. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: Wunderground-PWS: > Data for station KTXSUGAR19 will be posted > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: PWSweather: > Posting not enabled. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: CWOP: Posting not > enabled. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: WOW: Posting not > enabled. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.restx: AWEKAS: Posting > not enabled. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: 'pyephem' not > detected, extended almanac data is not available > May 9 08:20:00 HP-Iron weewx[2476872] INFO __main__: Starting up weewx > version 4.8.0 > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Clock error is > -0.49 seconds (positive is fast) > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Using binding > 'wx_binding' to database 'weewx' > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.manager: Starting > backfill of daily summaries > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.manager: Daily summaries > up to date > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.wxxtypes: Type beaufort > has been deprecated. Use unit beaufort instead. > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.manager: Added record > 2022-05-09 08:20:00 CDT (1652102400) to database 'weewx' > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.manager: Added record > 2022-05-09 08:20:00 CDT (1652102400) to daily summary in 'weewx' > May 9 08:20:00 HP-Iron weewx[2476872] INFO weewx.engine: Starting main > packet loop. > May 9 08:20:01 HP-Iron weewx[2476872] INFO weewx.restx: Wunderground-PWS: > Published record 2022-05-09 08:20:00 CDT (1652102400) > May 9 08:20:01 HP-Iron weewx[2476872] INFO weewx.restx: StationRegistry: > Published record 2022-05-09 08:20:00 CDT (1652102400) > May 9 08:20:05 HP-Iron weewx[2476872] ERROR weewx.drivers.vantage: LOOP > try #1; error: Expected to read 99 chars; got 0 instead > May 9 08:20:09 HP-Iron weewx[2476872] ERROR weewx.drivers.vantage: LOOP > try #2; error: Expected to read 99 chars; got 0 instead > May 9 08:20:13 HP-Iron weewx[2476872] ERROR weewx.drivers.vantage: LOOP > try #3; error: Expected to read 99 chars; got 20 instead > May 9 08:20:17 HP-Iron weewx[2476872] ERROR weewx.drivers.vantage: LOOP > try #4; error: Expected to read 99 chars; got 19 instead > May 9 08:20:17 HP-Iron weewx[2476872] ERROR weewx.drivers.vantage: LOOP > max tries (4) exceeded. > May 9 08:20:17 HP-Iron weewx[2476872] INFO weewx.engine: Main loop > exiting. Shutting engine down. > May 9 08:20:17 HP-Iron weewx[2476872] CRITICAL __main__: Caught > WeeWxIOError: Max tries exceeded while getting LOOP data. > May 9 08:20:17 HP-Iron weewx[2476872] CRITICAL __main__: **** > Waiting 60 seconds then retrying... > May 9 08:21:00 HP-Iron weewx[2478821]: * Stopping weewx weather system > weewx > May 9 08:21:00 HP-Iron weewx[2476872] INFO __main__: Received signal TERM > (15). > > > On Monday, May 9, 2022 at 6:16:27 AM UTC-5 dave.m...@gmail.com wrote: > >> Tom >> >> The system was stable overnight, no errors at all. >> >> Upgraded to WeeWX v4.8 at lunchtime and it's been stable for the past two >> hours - finger's crossed that it was just a reset of the data logger >> required. >> >> Dave >> >> On Monday, 9 May 2022 at 03:44:35 UTC+1 tke...@gmail.com wrote: >> >>> Thanks for that, John. >>> >>> I think we're saying the same thing because a new LOOP request starts >>> with a wake-up. My intention was to catch the error lower down in the >>> stack, then restart the loop. >>> >>> It's good to hear that the strategy works! >>> >>> -tk >>> >>> On Sun, May 8, 2022 at 4:30 PM 'John Kline' via weewx-user < >>> weewx...@googlegroups.com> wrote: >>> >>>> Hi Tom, >>>> >>>> You don’t need to restart or try a wake up. You just need to return >>>> from genDavisLoopPackets so another request is made for packets. >>>> >>>> Below is what I have been running. You can simplify it as the bad_read >>>> variable is not necessary since it has NEVER occurred that two bad reads >>>> happened in a row. Returning from genDavisLoopPackets on this error >>>> always >>>> results in the next read working (of course, the loop command is reissued >>>> first since genDavisLoopPackets is called again). >>>> >>>> I have never sent this change because I’m running a copy of the vantage >>>> driver with many other changes. If the excerpts below don’t make sense, >>>> you can see the whole driver at: >>>> https://github.com/chaunceygardiner/weewx-vantagenext >>>> >>>> Declare an exception: >>>> class ShortReadIOError(weewx.WeeWxIOError): >>>> """Exception raised when too few bytes read from serial port.""" >>>> >>>> In read, raise the exception if too few bytes are read: >>>> N = len(_buffer) >>>> if N != chars: >>>> raise ShortReadIOError("Expected %d chars; got %d" % >>>> (chars, N)) >>>> >>>> And, in genDavisLoopPackets, catch the ShortReadIOError and simply >>>> return: >>>> try: >>>> loop_packet = self._get_packet() >>>> log.debug('%s: Loop packet success!' % >>>> weeutil.weeutil.timestamp_to_string(loop_packet['dateTime'])) >>>> except ShortReadIOError as e: >>>> log.info('get_packet: %s. (%d)' % (e, >>>> self.pkt_count)) >>>> # If already on a bad read, log that fact. >>>> if self.on_bad_read: >>>> log.info('genDavisLoopPackets: repeated bad >>>> read.') >>>> self.on_bad_read = True >>>> return >>>> except weewx.WeeWxIOError as e: >>>> log.error("LOOP try #%d; error: %s", count + 1, e) >>>> time.sleep(self.port.wait_before_retry) >>>> else: >>>> self.on_bad_read = False >>>> self.pkt_count += 1 >>>> yield loop_packet >>>> break >>>> >>>> On May 8, 2022, at 2:02 PM, Tom Keffer <tke...@gmail.com> wrote: >>>> >>>> >>>> Now that I think about it, there is an experiment I've been meaning to >>>> try. Right now, the Vantage driver tries 3 times, then gives up and >>>> restarts the program from the top. >>>> >>>> The experiment would be to do something not quite so drastic. Rather >>>> than restart the program, try a Vantage "wake up" sequence instead. >>>> >>>> I've never tried this strategy because there hasn't been a logger >>>> regularly showing this error that I could test. But it appears yours does. >>>> I'm tied up with something else, but give me a few days to come up with a >>>> solution. >>>> >>>> In the meantime, I've posted issue #772 >>>> <https://github.com/weewx/weewx/issues/772>. >>>> >>>> On Sun, May 8, 2022 at 1:03 PM Dave McCreath <dave.m...@gmail.com> >>>> wrote: >>>> >>>>> Spoke too soon. The error appears to back back up, is this a data >>>>> logger issue?: >>>>> >>>>> May 8 20:55:18 raspberrypi weewx[8172] INFO weewx.restx: AWEKAS: >>>>> Published record 2022-05-08 20:55:00 BST (1652039700) >>>>> May 8 20:55:18 raspberrypi weewx[8172] INFO weewx.restx: PWSWeather: >>>>> Published record 2022-05-08 20:55:00 BST (1652039700) >>>>> May 8 20:55:18 raspberrypi weewx[8172] INFO weewx.restx: >>>>> Wunderground-PWS: Published record 2022-05-08 20:55:00 BST (1652039700) >>>>> May 8 20:55:19 raspberrypi weewx[8172] INFO weewx.cheetahgenerator: >>>>> Generated 8 files for report SeasonsReport in 1.07 seconds >>>>> May 8 20:55:21 raspberrypi weewx[8172] INFO weewx.imagegenerator: >>>>> Generated 30 images for report SeasonsReport in 2.44 seconds >>>>> May 8 20:55:21 raspberrypi weewx[8172] INFO weewx.reportengine: >>>>> Copied 0 files to /var/www/html/weewx >>>>> May 8 20:55:28 raspberrypi weewx[8172] ERROR weewx.drivers.vantage: >>>>> LOOP try #1; error: Expected to read 99 chars; got 0 instead >>>>> May 8 20:55:32 raspberrypi weewx[8172] ERROR weewx.drivers.vantage: >>>>> LOOP try #2; error: Expected to read 99 chars; got 0 instead >>>>> May 8 20:55:36 raspberrypi weewx[8172] ERROR weewx.drivers.vantage: >>>>> LOOP try #3; error: Expected to read 99 chars; got 0 instead >>>>> May 8 20:55:40 raspberrypi weewx[8172] ERROR weewx.drivers.vantage: >>>>> LOOP try #4; error: Expected to read 99 chars; got 0 instead >>>>> May 8 20:55:40 raspberrypi weewx[8172] ERROR weewx.drivers.vantage: >>>>> LOOP max tries (4) exceeded. >>>>> May 8 20:55:40 raspberrypi weewx[8172] INFO weewx.engine: Main loop >>>>> exiting. Shutting engine down. >>>>> May 8 20:55:40 raspberrypi weewx[8172] INFO weewx.engine: Shutting >>>>> down StdReport thread >>>>> May 8 20:55:40 raspberrypi weewx[8172] CRITICAL __main__: Caught >>>>> WeeWxIOError: Max tries exceeded while getting LOOP data. >>>>> May 8 20:55:40 raspberrypi weewx[8172] CRITICAL __main__: **** >>>>> Waiting 60 seconds then retrying... >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO __main__: retrying... >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO __main__: Using >>>>> configuration file /etc/weewx/weewx.conf >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO __main__: Debug is 0 >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Loading >>>>> station type Vantage (weewx.drivers.vantage) >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: StdConvert >>>>> target unit is 0x1 >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Archive >>>>> will use data binding wx_binding >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Record >>>>> generation will be attempted in 'software' >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Using >>>>> archive interval of 300 seconds (software record generation) >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: >>>>> StationRegistry: Station will not be registered: no station_url specified. >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: >>>>> Wunderground-PWS: Data for station ICAMBSLE2 will be posted >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: PWSWeather: >>>>> Data for station WISBECH will be posted >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: CWOP: >>>>> Posting not enabled. >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: WOW: Posting >>>>> not enabled. >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.restx: AWEKAS: Data >>>>> will be uploaded for user DMacWx >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO __main__: Starting up >>>>> weewx version 4.5.1 >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Clock error >>>>> is 0.55 seconds (positive is fast) >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Using >>>>> binding 'wx_binding' to database 'weewx.sdb' >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.manager: Starting >>>>> backfill of daily summaries >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.manager: Daily >>>>> summaries up to date >>>>> May 8 20:56:40 raspberrypi weewx[8172] INFO weewx.engine: Starting >>>>> main packet loop. >>>>> May 8 21:00:16 raspberrypi weewx[8172] INFO weewx.manager: Added >>>>> record 2022-05-08 21:00:00 BST (1652040000) to database 'weewx.sdb' >>>>> May 8 21:00:16 raspberrypi weewx[8172] INFO weewx.manager: Added >>>>> record 2022-05-08 21:00:00 BST (1652040000) to daily summary in >>>>> 'weewx.sdb' >>>>> May 8 21:00:16 raspberrypi weewx[8172] INFO weewx.restx: AWEKAS: >>>>> Published record 2022-05-08 21:00:00 BST (1652040000) >>>>> May 8 21:00:16 raspberrypi weewx[8172] INFO weewx.restx: PWSWeather: >>>>> Published record 2022-05-08 21:00:00 BST (1652040000) >>>>> May 8 21:00:16 raspberrypi weewx[8172] INFO weewx.restx: >>>>> Wunderground-PWS: Published record 2022-05-08 21:00:00 BST (1652040000) >>>>> May 8 21:00:17 raspberrypi weewx[8172] INFO weewx.cheetahgenerator: >>>>> Generated 8 files for report SeasonsReport in 1.02 seconds >>>>> May 8 21:00:21 raspberrypi weewx[8172] INFO weewx.imagegenerator: >>>>> Generated 45 images for report SeasonsReport in 4.30 seconds >>>>> May 8 21:00:21 raspberrypi weewx[8172] INFO weewx.reportengine: >>>>> Copied 5 files to /var/www/html/weewx >>>>> >>>>> Any suggestions welcome. >>>>> >>>>> Dave >>>>> >>>>> On Sunday, 8 May 2022 at 20:20:45 UTC+1 Dave McCreath wrote: >>>>> >>>>>> Just noticed a couple of errors thrown up by WeeWX: >>>>>> >>>>>> ERROR weewx.drivers.vantage: LOOP try #1; error: Expected to read 99 >>>>>> chars; got 0 instead. >>>>>> >>>>>> Having then read through this forum I then reset the data logger in >>>>>> the Vantage console (removed all power, pulled the data logger out for >>>>>> 20 >>>>>> seconds, replaced and then powered back up) and all appears to be back >>>>>> up >>>>>> and running OK. >>>>>> >>>>>> My first data logger lasted about 5 years before giving up on me, >>>>>> this one is about 3 years old, is this a sign that it's on its way out >>>>>> as >>>>>> well? >>>>>> >>>>>> They're not cheap! >>>>>> >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> Dave >>>>>> >>>>>> >>>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "weewx-user" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to weewx-user+...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/weewx-user/9244ee2d-e630-4fd1-ae09-96e5815c52f8n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/weewx-user/9244ee2d-e630-4fd1-ae09-96e5815c52f8n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "weewx-user" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to weewx-user+...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/weewx-user/CAPq0zEDik39%2BLEOGTnrcMAtW3CorRJqUiGe_96iVFszAm53gbA%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/weewx-user/CAPq0zEDik39%2BLEOGTnrcMAtW3CorRJqUiGe_96iVFszAm53gbA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "weewx-user" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to weewx-user+...@googlegroups.com. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/weewx-user/D2A80355-C607-40DC-803C-813ACB968BB4%40johnkline.com >>>> >>>> <https://groups.google.com/d/msgid/weewx-user/D2A80355-C607-40DC-803C-813ACB968BB4%40johnkline.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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