ELOG DESPEC

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

DESPEC

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Entry time:	Sat Mar 29 11:37:46 2025
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00:10 DAQ continues OK - file R30_372 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 00:17 System wide checks all OK FEE64 Temperatures ok - attachment 1 Good event statistics ok - attachment 2 detector bias and leakage currents ok - attachment 3 00:20 DESPEC on run 145 00:24 Merger ok ~45M items/s Tapeserver ok ~15MB/s 01:00 aida07 crashed recovered, but all FEE64 crash shortly after called OH - stop DAQ, TapeService, Merger 01:20 all FEE64 powercycled, AIDA restart 01:30 AIDA recovered, DAQ now running - writing to R33 system wide checks ok except 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 01:52 FEE64 Temperatures ok - attachment 4 -had to reload a few times to work, but otherwise ok Good event statistics - attachment 5 -aida05 and aida08 running faster than before detector bias and leakage currents ok - attachment 6 02:04 writing to file R33_34 Data forwarding to MBS ok AIDA ASIC settings ok 02:11 beam off 02:13 attempted to recalibrate aida07 and aida09 in FADC Align and Control - calibration still fails 02:32 beam back - writing to file R33_48 04:30 DESPEC having issues with Go4 crashing ucesb reports AIDA/FATIMA/bplast timewarp events System wide checks: Clock error: FEE64 module aida09 global clocks failed, 6 Clock status test result: Passed 11, Failed 1 Calibration: FEE64 module aida07 failed FEE64 module aida09 failed Calibration test result: Passed 10, Failed 2 White Rabbit: Base Current Difference aida07 fault 0xcdd1 : 0xcdd2 : 1 White Rabbit error counter test result: Passed 11, Failed 1 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 FEE64 Temperatures ok - attachment 7 Good event statistics ok - attachment 8 detector bias and leakage currents ok - attachment 9 04:52 analyzer output for R33_113 - attachment 10 no timewarps aida06 dead time? (ignore idle time and rates) 05:02 Merger 5M data items/s TapeServer 17 MB/s 05:15 DESPEC believe issue with bplast TAMEX causing ucesb issues/Go4 crash They disable bplast and FATIMA TAMEX histograms in their online analysis - ucesb/go4 much more stable now 05:25 rates spectra - attachment 11 05:29 error message in MBS relay terminal - otherwise data forwarding to MBS ok - attachment 12 06:29 system wide checks: Clock error: FEE64 module aida09 global clocks failed, 6 Clock status test result: Passed 11, Failed 1 Calibration: FEE64 module aida07 failed FEE64 module aida09 failed Calibration test result: Passed 10, Failed 2 White Rabbit: Base Current Difference aida05 fault 0x7a56 : 0x7a58 : 2 aida06 fault 0x65bb : 0x65bd : 2 aida07 fault 0xcdd1 : 0xcdd4 : 3 aida08 fault 0x2ab3 : 0x2ab5 : 2 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 rest ok 06:32 FEE64 Temperatures ok - attachment 13 Good event statistics ok - attachment 14 detector bias and leakage currents ok - attachment 15 06:41 Merger 5.1M data items/s TapeServer 17 MB/s Data forwarding to MBS ok 08:54 restart MBS relay, requested by NH Encoding: HTML ELCode plain Suppress Email notification

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ELOG V3.1.4-unknown