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Reports until 17:19, Saturday 24 June 2023
H1 CDS
david.barker@LIGO.ORG - posted 17:19, Saturday 24 June 2023 - last comment - 17:29, Saturday 24 June 2023(70792)
h1seih45 went into DACKILL mode, stopped driving DACs at 16:15PDT resulting in H1 Lock Loss

Austin, Dave:

At 16:15PDT h1iopseih45 went into DACKILL mode.

There were no dmesg logs corresponding to this time (see below) and no IOP processing time overrun.

Austin put HAM4,5 suspensions into a safe state and I restarted the models, which has cleared the problem.

Mia Culpa, I mistakenly restarted h1seih16 models first before realizing I was on the wrong front end. Austin is recovering HAM6 supsensions as well, apologies.

h1seih45 recent dmesg logs:

Fri May 26 15:16:58 2023] rts_cpu_isolator: entering ligo_play_dead, cpu handler = 00000000b41de7f7
[Fri May 26 15:16:58 2023] rts_cpu_isolator: calling LIGO code
[Fri May 26 15:16:58 2023] h1isiham5: INFO - CPY2=1 CPY2OFFSET=1500 CPY1SZ=1500 CPY2SZ=536 DBLOFFSET=2036
[Fri May 26 15:16:59 2023] h1isiham5: INFO - Controller initialization complete, starting front end control loop
[Fri May 26 15:17:04 2023] smpboot: CPU 5 didn't die...
[Fri May 26 15:18:11 2023] h1isiham4: ERROR - FE_ERROR_FPU - FPU detected an division by 0 math operation.
[Fri May 26 15:18:16 2023] h1isiham5: ERROR - FE_ERROR_FPU - FPU detected an division by 0 math operation.
[Tue Jun 13 12:30:25 2023] h1isiham4: ERROR - FE_ERROR_FPU - FPU detected an division by 0 math operation.
[Sat Jun 24 16:23:32 2023] h1hpiham4: ERROR - FE_ERROR_FPU - FPU detected an division by 0 math operation.
[Sat Jun 24 16:24:21 2023] h1hpiham5: ERROR - FE_ERROR_FPU - FPU detected an division by 0 math operation.

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david.barker@LIGO.ORG - 17:24, Saturday 24 June 2023 (70793)

Sat24Jun2023
LOC TIME HOSTNAME     MODEL/REBOOT


16:58:43 h1seih16     h1iopseih16  <<< Mistaken restart of h1seih16 models
17:02:51 h1seih16     h1iopseih16 
17:03:05 h1seih16     h1hpiham1   
17:03:19 h1seih16     h1hpiham6   
17:03:33 h1seih16     h1isiham6   


17:05:21 h1seih45     h1iopseih45 <<< Restart of h1seih45 models, no reboot of computer
17:06:17 h1seih45     h1hpiham4   
17:06:34 h1seih45     h1hpiham5   
17:06:54 h1seih45     h1isiham4   
17:07:10 h1seih45     h1isiham5   
 

david.barker@LIGO.ORG - 17:29, Saturday 24 June 2023 (70794)
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