ELOG AIDA

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

AIDA

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Entry time:	Sat Mar 29 12:31:54 2025
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> Friday 14th June > > Authors: TD, DK, CB > > 08:40 > > elog appears to be down. Relevant screenshots are in /tmp/june14/ so please upload when we can access > > Julabo chiller 75% M-H markers > Room Temp +24.5 C deg, dew point +8.1 deg C, Room humidity 35.2% > > Pulser, ASIC settings as yesterday (copy/paste) > > ASIC settings 2019May19-17.54.03 > slow comparator 0xa > > BNC PB-4 Pulser > Amplitude 90,000 > x5 attenuator IN > Frequency 25Hz range > t_r 100ns, tau_d 50us > - polarity > Delay MIN, tail pulse > > DAQ continues OK > Statistics as before. nnaida19 counter appears to have overflowed and wrapped around > See stats.png > > System-wide checks OK, except nnaida7 fails ADC calibration as before > > Biases and leak currents reasonable -- see biases.png > > FEE64 temperatures okay, see fee-temps.png > > Merger looks okay, ~600k items / sec; see merger.png > > TapeServer as before, around 4.5 Mbytes/sec; see tapeserver.png > > > 13:52 > > Pulser, ASIC settings same as this morning > > DAQ continues OK > Statistics as before. See attach 190614_1354_stats. Counts RESET. > > System-wide checks OK, except nnaida7 fails ADC calibration as before > > Bias and leak currents OK. See attach 190614_1356_bias > > FEE64 temperatures OK, see attach 190614_1357_temps > > Merger keeps running at ~560k items /s; see 190614_1359_merger > TapeServer as before. See 190614_tape > > 17:24 AIDA DAQ crashed by DTAS touching the clock function generator > Function generator set at 50MHz square high +5V low 0V > > 18:38 problem loading ASIC settings - mismatch in slow comparator threshold and shaping time > performed save/restore with 2019Jun13-08.56.35 - all looks ok now > > System wide checks ok except nnaida7 fails adc calibration > > FEE64 temperatures ok - attachment 12 > > good event statistics ok - attachment 13 > > bias/leakage currents ok - attachment 14 > > > 18:38 for reals > > DAQ Stopped > R30_0 opened writing to disk > > Was to test DTAS sync whilst writing to file > 18:43 DAQ stopped on file R30_0 > > 18:45 DAQ restarted on file R31 with no writing to disk > > 21:50 DAQ found crashed (Valencia group believe it crashed around 20:00) > > Trying to reset FEEs resulted in an error message attachment 15 and 16 > > Each FEE was rebooted using telnet to avoid a power cycle > System reset after reboot > > System wide checks ok > Check ASIC control > > FEE temps ok > > DAQ Started again > On startup FEEs 17, 20, 22 and 23 were all about 150k > All relate to DSSD0 > Pressed on kapton and noise went down. > > Statistics now good > > 22.45 Review /var/log/messages and observe nnaida15 rebooted at 19.27 - reason unknown > This probably explains why DAQ stopped. > > Jun 14 19:27:32 aidas1 dhcpd: DHCPDISCOVER from 00:04:a3:2a:f3:ac via p2p2 > Jun 14 19:27:32 aidas1 dhcpd: DHCPOFFER on 10.1.2.15 to 00:04:a3:2a:f3:ac via p2p2 > Jun 14 19:27:32 aidas1 dhcpd: DHCPREQUEST for 10.1.2.15 (10.1.2.250) from 00:04:a3:2a:f3:ac via p2p2 > Jun 14 19:27:32 aidas1 dhcpd: DHCPACK on 10.1.2.15 to 00:04:a3:2a:f3:ac via p2p2 > Jun 14 19:27:32 aidas1 rpc.mountd[2868]: authenticated mount request from 10.1.2.15:784 for > /data10/XilinxLinux/ppc_4xx/rfs/nnaida15 (/data10/XilinxLinux/ppc_4xx/rfs) > Jun 14 19:27:59 aidas1 rpc.mountd[2868]: authenticated mount request from 10.1.2.15:864 for /MIDAS@aidas > (/MIDAS@aidas) > > > 22.53 ADC data synchronised - attachment 17 > > 23.05 zero DAQ statistics > zero all histograms > > > 23.20 Check ASIC Control x1 > FEE64 Rate spectra - attachment 18 > > 1.8.L spectra - see attachments 19 & 20 > nnaida1 81 ch FWHM, nnaida3 77 ch FWHM > > p+n FEE64s 1.8.W spectra 20us FSR - attachment 21 > n+n FEE64s 1.8.W spectra 20us FSR - attachment 22 > > 23.36 DAQ start file May19/R34_0 > > DTAS+AIDA correlation test using gamma ray sources > > Correlation scaler reset issued during R34_0 > > ASIC settings 2019Jun13-08.56.35 > > BNC PB-4 Pulser > Amplitude 90,000 > x5 attenuator IN > Frequency 25Hz range > t_r 100ns, tau_d 50us > - polarity > Delay MIN, tail pulse > > 23.53 DAQ stop file May19/R34_2 > > nnaida15 did not stop - state unknown - reboot nnaida15 > > This did not work - unable to reset nnaida15 > > Closed all FireFox broweser tabs, stopped all servers and restarted > > 00.14 DAQ start > > ASIC settings 2019Jun13-08.56.35 > > BNC PB-4 Pulser > Amplitude 90,000 > x5 attenuator IN > Frequency 25Hz range > t_r 100ns, tau_d 50us > - polarity > Delay MIN, tail pulse Encoding: HTML ELCode plain Suppress Email notification

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ELOG V3.1.4-unknown