Opened 2 weeks ago

Last modified 2 days ago

#2620 new help

vn10.9 AMIP run PI control

Reported by: admg26 Owned by: um_support
Priority: normal Component: UKCA
Keywords: UKCA Cc:
Platform: Monsoon2 UM Version: 10.9



Monsoon user: almin
Archive: /crum/
UM-UKCA vn10.9 Trunk
AMIP run using 1850 PI control CMIP6 emission files and start dumps.

Suite: u-ax344

Run crashes after 12 years with the following

???!!!???!!!???!!!???!!!???!!!       ERROR        ???!!!???!!!???!!!???!!!???!!!
?  Error code: 100
?  Error from routine: set_thermodynamic
?  Error message: A total of     3 points had negative mass in set_thermodynamic. This indicates the pressure fields are inconsistent between different levels and the model is about to fail.
?  Error from processor: 158
?  Error number: 38

I am confused as to why it ran for so long before falling over.


Change History (5)

comment:1 Changed 11 days ago by admg26

I am going to re-run the model with a copy of the suite. I have an idea of what might be wrong.

comment:2 Changed 5 days ago by willie

Hi Alison,

Is this working now - can we close this ticket?


comment:3 Changed 5 days ago by admg26


A copy of the suite with a few tweaks is still running but since it took 12 years to crash the last time, I am inclined to wait a bit more (it has done 9 years so far) to see if it is actually working. Would it be okay to leave the ticket open for the week? I could also reopen it if the run fails.


comment:4 Changed 5 days ago by willie

Hi Alison,

I'll leave it open.


comment:5 Changed 2 days ago by admg26


I made a copy of the suite, make a few changes and ran it (u-bb932). This still fails with the same error after 12 years.

Many thanks,

Last edited 2 days ago by admg26 (previous) (diff)
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