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AdV-COM (AdV commissioning (1st part) )
masserot - 15:52 Tuesday 04 June 2024 (64420) Print this report
Sc_WI : Timing issue

This morning,  the channel monitoring the arrival time of the Sc_WI DSP  jumps from 10-15us to  67-72us (see the attached plot), as consequence the  DMS Timing_dsp  became red

At the same time period, the SUSP_Fb TolmFrameBuilder reports the following lines

2024-06-04-07h37m35-UTC>WARNING-[TolmFrameBuilderFrontEnd] Sc_WI: packet rejected: merging already done (packet: 1401521873.1004913890 < frame in construction: 1401521874.000000000) (49 times)
2024-06-04-07h37m36-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI: overflow at GPS 1401521874.199988880 (received 2001 / expected 2000) (61 times)
2024-06-04-07h37m36-UTC>WARNING-[TfbSourceManager::Merge] Times are different: dt: 0.200000-0.200000 / GTimeN: 0-1000000000 / GTimeS: 1401521874-1401521873
2024-06-04-07h37m37-UTC>WARNING-[TolmFrameBuilderFrontEnd] Sc_WI: packet rejected: merging already done (packet: 1401521874.1081887540 < frame in construction: 1401521875.000000000) (818 times)
2024-06-04-07h37m37-UTC>WARNING-[TolmFrameBuilderFrontEnd] Sc_WI: packet rejected: merging already done (packet: 1401521874.1995088790 < frame in construction: 1401521875.800000000) (9132 times)
2024-06-04-07h37m37-UTC>WARNING-[TolmFrameBuilder::ControlMerging] frame: 1401521875.000000000: merging is triggered on timeout (internal 1401521875.360415040 > max 1401521875.360000000)
2024-06-04-07h37m37-UTC>WARNING-[TfbSubFrame::Fill] GPS: 1401521875.000000000 - Source Sc_WI: 1999/2000 missing packet(s), 0 data break(s) (missing data are at the end of the vector)
2024-06-04-07h37m37-UTC>WARNING-[TfbSourceManager::Merge] Times are different: dt: 0.200000-0.200000 / GTimeN: 0-1000000000 / GTimeS: 1401521875-1401521874
2024-06-04-07h37m38-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI: overflow at GPS 1401521876.199972090 (received 2048 / expected 2000) (2928 times)
2024-06-04-08h17m15-UTC>WARNING-[TolmFrameBuilder::ControlMerging] frame: 1401524253.000000000: merging is triggered on timeout (internal 1401524253.361715080 > max 1401524253.360000000)

This channel is only a monitoring channel, used to check the correct DSP cycles running conditions. Up to now there is none logbook entry reported any activity of this DSP, so it's maybe an issue

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poulton - 16:17 Friday 07 June 2024 (64456) Print this report

It seems a different issue happened with SUSP_Fb at around 12:42 yesterday:

2024-06-05-12h42m58-UTC>INFO...-[TolmFrameBuilder::FrontEnd] source Sc_WI (64:v05) is back (after a stop or a FIFO reset) -> acquisition will resume at the next start-of-second
2024-06-05-12h42m59-UTC>INFO...-[TolmFrameBuilder::FrontEnd] source Sc_WI (64:v05) start acquisition aligned with the start-of-second
2024-06-05-12h42m59-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI channel Sc_WI_MIR_COIL_FLAG: substitution of missing data is over frame bound (16718 extra value(s)) (61 times)
2024-06-05-12h42m59-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI: overflow at GPS 1401626597.999914060 (received 2745 / expected 2000) (45445 times)
2024-06-05-12h42m59-UTC>INFO...-[TfbSourceManager::Reporting] Sources reporting: / nSrc: 63
2024-06-05-12h42m59-UTC>INFO...-CfgReachState> Golden(Golden) Ok
2024-06-05-12h43m50-UTC>WARNING-[TolmFrameBuilder::ControlMerging] frame: 1401626648.600000000: merging is triggered on timeout (internal 1401626648.962015100 > max 1401626648.960000000)
2024-06-05-12h43m50-UTC>WARNING-[TfbSubFrame::Fill] GPS: 1401626648.600000000 - Source Sc_WI: 1/2000 missing packet(s), 0 data break(s) (missing data are at the end of the vector)
2024-06-05-12h43m51-UTC>INFO...-[TfbSourceManager::Clean] source Sc_WI (64:v05) has stopped -> waiting for data...
2024-06-05-12h43m51-UTC>INFO...-[TfbSourceManager::Reporting] Sources reporting: / nSrc: 62, missing(1): Sc_WI
2024-06-05-12h43m51-UTC>INFO...-CfgReachState> Active(Active) Ok
2024-06-05-12h44m08-UTC>INFO...-[TolmFrameBuilder::FrontEnd] source Sc_WI (64:v05) is back (after a stop or a FIFO reset) -> acquisition will resume at the next start-of-second
2024-06-05-12h44m10-UTC>INFO...-[TolmFrameBuilder::FrontEnd] source Sc_WI (64:v05) start acquisition aligned with the start-of-second
2024-06-05-12h44m10-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI channel Sc_WI_MIR_COIL_FLAG: substitution of missing data is over frame bound (17687 extra value(s)) (61 times)
2024-06-05-12h44m10-UTC>ERROR..-[TfbSource::StoreData] producer Sc_WI: overflow at GPS 1401626668.399913980 (received 3511 / expected 2000) (92171 times)

It seems this issue also caused a spike in the latency of the low-latency data sent out (attached plot).

 

 

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