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Cumulus MX has recently started crashing
Posted: Thu 17 Nov 2022 5:11 pm
by cmr77
Hello,
I've been using Cumulus MX 3.16.1 build 3183 with my LaCrosse WS2300 for a few years now and it's been super reliable - not seen any issues at all.
In the past week it's started crashing every few hours.
Attached is a zip of the MXDiags folder. I cleaned the folder out - restarted the program and waited for it to crash so the folder isn't too busy.
Any help would be much appreciated.
Carl
Re: Cumulus MX has recently started crashing
Posted: Thu 17 Nov 2022 7:01 pm
by PaulMy
Hi,
v3.16.1 is not that old (likely May 2022) but updating generally cannot hurt.
The MXdiags file shows many new records for low pressure
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2022-11-16 18:01:12.515 New all-time record: New time = 2022-11-16 04:32, new value = 978.400 "Low pressure" prev time = 2022-11-15 10:57, prev value = 978.900
2022-11-16 18:01:12.552 New monthly record: month = 11: New time = 2022-11-16 04:32, new value = 978.400 "Low pressure" prev time = 2022-11-15 10:57, prev value = 978.900
Possibly this is correct, and pressure was dropping fast? or a sign of faulty sensor?
and
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2022-11-16 20:01:01.113 New all-time record: New time = 2022-11-16 20:00, new value = 963.200 "Low pressure" prev time = 2022-11-16 19:55, prev value = 963.300
2022-11-16 20:01:01.124 New monthly record: month = 11: New time = 2022-11-16 20:00, new value = 963.200 "Low pressure" prev time = 2022-11-16 19:55, prev value = 963.300
2022-11-16 20:01:36.027 !!! Unhandled Exception !!!
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at CumulusMX.WS2300Station.Ws2300PressureTrendAndForecast(String& pressuretrend, String& forecast)
at CumulusMX.WS2300Station.GetAndProcessData()
at CumulusMX.WS2300Station.Start()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
2022-11-16 20:03:00.457 *** Data input appears to have stopped
and the *** Data input appears to have stopped message continues until CumulusMX stopped.
Again, possibly sensor or station failure?
Also you should fix this:
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2022-11-17 00:00:00.153 Duplicate entry at line 1090 of dayfile.txt: 11/11/22. Please correct this by editing the file
2022-11-17 00:00:00.153 Duplicate entry at line 1091 of dayfile.txt: 12/11/22. Please correct this by editing the file
2022-11-17 00:00:00.153 Duplicate entry at line 1092 of dayfile.txt: 13/11/22. Please correct this by editing the file
2022-11-17 00:00:00.153 Duplicate entry at line 1093 of dayfile.txt: 14/11/22. Please correct this by editing the file
2022-11-17 00:00:00.154 Duplicate entry at line 1095 of dayfile.txt: 15/11/22. Please correct this by editing the file
Enjoy,
Paul
Re: Cumulus MX has recently started crashing
Posted: Thu 17 Nov 2022 7:57 pm
by mcrossley
I'll take a detailed look at this tomorrow, but meantime could you generate a log file with data logging enabled as well please?
Re: Cumulus MX has recently started crashing
Posted: Fri 18 Nov 2022 5:41 pm
by cmr77
I've removed the duplicate date entries from dayfile.txt and enabled data logging. I'll post the MXdiag folder again when it next crashes - It's been fine so far today.
Carl
Re: Cumulus MX has recently started crashing
Posted: Sat 19 Nov 2022 8:56 am
by cmr77
It ran most of yesterday then crashed later in the evening. Attached are the logs (with logging enabled) so hopefully that can shed some light onto what is going on.
The log file 20221118-192000.txt shows the Unhandled Exception error 2022-11-18 19:43:03.
Carl
Re: Cumulus MX has recently started crashing
Posted: Sat 19 Nov 2022 11:47 am
by mcrossley
Thanks, I've fixed this for the next release.
Re: Cumulus MX has recently started crashing
Posted: Sat 19 Nov 2022 2:22 pm
by cmr77
Mark,
Ok glad you found something - I'll upgrade when the next release is available. Thanks for your help.
Carl
Re: Cumulus MX has recently started crashing
Posted: Sat 19 Nov 2022 3:32 pm
by mcrossley
It fixes the crash, but the root cause is bad data being received. I see there are quite a few serial port timeouts occurring, is that a normal "station thing" or do you have a small problem with the serial connection? Given you say this only started happening recently, I'd guess the latter.
Re: Cumulus MX has recently started crashing
Posted: Sun 20 Nov 2022 10:12 am
by cmr77
I will look into the serial data timeouts. Nothing has changed recently but the WS2300 has a particularly nasty serial interface that references to one of the serial control lines rather than 0V - there is no 0V connection - very odd. I'll get the scope out and take a look at the quality of the received data.
Carl