Reports until 15:18, Monday 05 January 2026
H1 CDS
david.barker@LIGO.ORG - posted 15:18, Monday 05 January 2026 - last comment - 11:18, Tuesday 06 January 2026(88687)
h1ascimc model change and DAQ restart

Jennie, Erik, Dave:

Jennie's new h1ascimc model was installed at 13:30 Mon 05Jan2026. This required a DAQ restart to add 2 slow channels.

At 13:32 we restarted the 1-leg, followed by the 0-leg at 13:37. GDS1 did not need a restart.

Following this DAQ restart we had 3 sponaneous restarts of FW1 after it had ran for 27:48, 8:02 and 6:22 minutes respectively. At the time of writing it has been running with no further restarts for an hour.

 

 

Comments related to this report
david.barker@LIGO.ORG - 10:15, Tuesday 06 January 2026 (88695)

Good news: FW1 has now been running 20 hours. Its beginning to look like the usual frame-writer-restarts-soon-after-DAQ-restart but with 3 restarts this time. We are not sure if we had seen a triple before.

Bad news: later yesterday afternoon h1daqgds0 daqd restarted itself coincident with Erik logging off of this machine. We did two more login/logout tests, the first restarted daqd the second did not. At this time is appeared to be related to the method of logging out, CTRL-D crashing daqd and "exit" not. I did another "exit" test this morning and unfortunately this time it did crash GDS0 DAQD. I restarted the 0-leg soon after (at 08:54) to resync the uptimes. So it appears to be independent of the method of logging out and is intermittent.

FRS36466 opened for this issue.

david.barker@LIGO.ORG - 11:18, Tuesday 06 January 2026 (88696)

Restart/Reboot Log --------------------------------------------------------

Mon05Jan2026
LOC TIME HOSTNAME     MODEL/REBOOT
13:30:32 h1asc0       h1ascimc    <<< Install Jennie's new model


13:32:11 h1daqdc1     [DAQ] <<< DAQ 1-LEG restart
13:32:19 h1daqfw1     [DAQ]
13:32:20 h1daqtw1     [DAQ]
13:32:21 h1daqnds1    [DAQ]
13:32:30 h1daqgds1    [DAQ]


13:37:38 h1daqgds0    [DAQ] <<< DAQ 0-LEG restart
13:37:43 h1daqfw0     [DAQ]
13:37:43 h1daqnds0    [DAQ]
13:37:43 h1daqtw0     [DAQ]


14:00:44 h1daqfw1     [DAQ] <<< Triple sponaneous FW1 restarts
14:09:39 h1daqfw1     [DAQ]
14:16:36 h1daqfw1     [DAQ]


16:41:00 h1daqgds0    [DAQ] <<< GDS0 DAQD restart on logout
16:45:12 h1daqgds0    [DAQ] <<< Test GDS0 crash reproducible
16:53:04 h1daqgds0    [DAQ] <<< Clean start of 0-leg
16:53:09 h1daqfw0     [DAQ]
16:53:09 h1daqtw0     [DAQ]
16:53:10 h1daqnds0    [DAQ]