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Message from syslogd@drp-tst-dev010 at Jun 5 13:02:43 ... kernel:NMI watchdog: BUG: soft lockup - CPU#10 stuck for 22s! [swapper/10:0] |
problem goes away if we reduce the trigger rate to 71kHz. even "ls" on the drp node will hang until the trigger rate is reduced to 71kHz. "ls" hanging is reproducible even when running only 1 of the two hsd's on a drp.
UNSOLVED: hsd configure times out the first time, but works second time. Matt says that he seen the transition not received at all by the hsd. Phase 1 completes in Digitizer.cc but phase2 maybe doesn't start, consistent with Matt's observation? log file in /reg/neh/home/cpo/2020/06/09_14:38:23_drp-tst-dev021:tmohsd_0.log. Could it be the clear readout? But we have a 1s delay in control.py.
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