ELOG DESPEC

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

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Entry time:	Sat Mar 29 11:38:22 2025
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11.28 DAQ continues OK - no storage ASIC settings 2019Dec19-16.19.51 DSSSD#1 slow comparator 0xa DSSSD#2 slow comparator 0xa DSSSD#3 slow comparator 0xd BNC PB-5 Pulser Amplitude1.0V Attenuation x1 Frequency 2Hz tau_d 1ms - polarity Delay 250ns, tail pulse 10.26 System wide checks FEE64 module aida09 global clocks failed, 6 Clock status test result: Passed 11, Failed 1 Understand status as follows Status bit 3 : firmware PLL that creates clocks from external clock not locked Status bit 2 : always logic '1' Status bit 1 : LMK3200(2) PLL and clock distribution chip not locked to external clock Status bit 0 : LMK3200(1) PLL and clock distribution chip not locked to external clock If all these bits are not set then the operation of the firmware is unreliable FEE64 module aida07 failed FEE64 module aida09 failed Calibration test result: Passed 10, Failed 2 If any modules fail calibration , check the clock status and open the FADC Align and Control browser page to rerun calibration for that module Base Current Difference aida05 fault 0x6acb : 0x6acc : 1 aida06 fault 0x8394 : 0x8395 : 1 aida07 fault 0x8c77 : 0x8c7a : 3 aida08 fault 0x1692 : 0x1693 : 1 White Rabbit error counter test result: Passed 8, Failed 4 Understand the status reports as follows:- Status bit 3 : White Rabbit decoder detected an error in the received data Status bit 2 : Firmware registered WR error, no reload of Timestamp Status bit 0 : White Rabbit decoder reports uncertain of Timestamp information from WR FPGA Timestamp error counter test result: Passed 12, Failed 0 If any of these counts are reported as in error The ASIC readout system has detected a timeslip. That is the timestamp read from the time FIFO is not younger than the last Returned 0 0 0 0 0 0 0 0 0 0 0 0 Mem(KB) : 4 8 16 32 64 128 256 512 1k 2k 4k aida01 : 25 16 3 6 1 3 2 2 3 4 10 : 54676 aida02 : 17 13 14 10 5 5 2 3 3 3 6 : 37516 aida03 : 19 10 8 3 2 3 2 4 2 3 6 : 36220 aida04 : 2 6 2 3 3 2 2 3 2 4 15 : 74360 aida05 : 89 48 20 3 3 34 21 20 6 4 7 : 64324 aida06 : 31 11 1 10 0 1 1 3 4 2 5 : 31140 aida07 : 21 13 8 4 3 2 4 4 3 3 6 : 37756 aida08 : 37 10 2 0 1 2 2 4 3 3 6 : 36932 aida09 : 4 18 6 3 1 3 1 2 3 3 6 : 35872 aida10 : 20 4 1 3 0 2 2 3 3 3 6 : 36320 aida11 : 2 6 6 2 2 4 2 3 2 3 6 : 35672 aida12 : 15 10 2 3 1 2 2 3 3 3 6 : 36428 FEE64 Temperatures OK - attachment 1 Good event, disc info #6 & good wave statistics - attachments 2, 3 & 4 note high disc rates (c. 200k) in FEE64s aida03, aida05 & aida07 Detector bias & leakage currents OK - attachment 5 Merger OK - 4.5M data items/s TapeServer OK - 15Mb/s Rate spectra - attachment 6 11.41 Merger errors since yesterday's Elog MERGE Data Link (20502): bad timestamp 2 3 0xc08e4cce 0x0c1c8460 0x0000f14c5c1c8460 0x166cf14c5c1c8460 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc0967f4f 0x0c1c8460 0x0000f14c5c1c8460 0x166cf14c5c1c8460 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc0807dc7 0x0c1c9bd0 0x0000f14c5c1c9bd0 0x166cf14c5c1c9bd0 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc0957ee9 0x0c1c9bd0 0x0000f14c5c1c9bd0 0x166cf14c5c1c9bd0 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc0857eea 0x0c1ca3a0 0x0000f14c5c1ca3a0 0x166cf14c5c1ca3a0 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc0977df3 0x0c1ca3a0 0x0000f14c5c1ca3a0 0x166cf14c5c1ca3a0 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc08a7edd 0x0c1cab70 0x0000f14c5c1cab70 0x166cf14c5c1cab70 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc09c7c7f 0x0c1cab70 0x0000f14c5c1cab70 0x166cf14c5c1cab70 0x166cf1515c1c74c0 MERGE Data Link (20502): bad timestamp 2 3 0xc09d7fd8 0x0c1cb340 0x0000f14c5c1cb340 0x166cf14c5c1cb340 0x166cf1515c1c74c0 : : MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c338 0x000018ff4433c338 0x166d18ff4433c338 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c356 0x000018ff4433c356 0x166d18ff4433c356 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263f080 0x0433c36a 0x000018ff4433c36a 0x166d18ff4433c36a 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x82630f7f 0x0433c374 0x000018ff4433c374 0x166d18ff4433c374 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c388 0x000018ff4433c388 0x166d18ff4433c388 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c3a6 0x000018ff4433c3a6 0x166d18ff4433c3a6 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263efff 0x0433c3c4 0x000018ff4433c3c4 0x166d18ff4433c3c4 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c3d8 0x000018ff4433c3d8 0x166d18ff4433c3d8 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263ffff 0x0433c3f6 0x000018ff4433c3f6 0x166d18ff4433c3f6 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x8263efff 0x0433c414 0x000018ff4433c414 0x166d18ff4433c414 0x166d18ff4e17c2c0 MERGE Data Link (20502): bad timestamp 2 3 0x82218ff4 0x0433c41e 0x000018ff4433c41e 0x166d18ff4433c41e 0x166d18ff4e17c2c0 From Tuesday, March 16, 2021 9:54:36.584 PM to Wednesday, March 17, 2021 10:02:05.935 AM 11.46 Grafana record of bias & leakage current for the 7 days to date - attachment 7 11.51 ASIC check load - all FEE64s, all ASICs 11.51 Disable 'no storage' mode and start writing to disk file S452/R58 12.01 R58_18 & R58_19 no change 12.16 R58_24 & R58_25 all waveforms disabled (Run Control tab) 12.23 R58_27 & R58_28 all discriminators disabled (Discriminator tab) but disc rates now low - see attachment 8 cf. attachment 3 12.27 Enable 'no storage' mode 12.38 Analysis of files R58_19, R58_25 & R58_28 - see attachments 9, 10 & 11 Disabling waveforms significantly reduces pause/resume for aida01 - aida08 Effect of disabling discriminators less clear - disc rate zero for all FEE64s except aida03 (2k). 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