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Ticket Resolution Summary Owner Reporter
#3355 fixed Unable to run JULES on JASMIN pmcguire mtodt
Description

Hi

Since yesterday evening, I can't run JULES suites on JASMIN anymore. The same suites worked previously, but they failed yesterday evening before exceeding the wall time and when I try to submit them again I get the following in job.out:

Parsing application description...
Identifying hosts...
Spawning processes...
(gnome-ssh-askpass:27684): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0
(gnome-ssh-askpass:27683): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0
Host key verification failed.
Host key verification failed.
(gnome-ssh-askpass:27685): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0
(gnome-ssh-askpass:27686): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0
(gnome-ssh-askpass:27687): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0
(gnome-ssh-askpass:27688): Gtk-WARNING **: cannot open display: jasmin-cylc.ceda.ac.uk:13.0

In job.err, I only see:

mpirun: Warning one or more remote shell commands exited with non-zero status, which may indicate a remote access problem.
[FAIL] rose-jules-run <<'__STDIN__'
[FAIL] 
[FAIL] '__STDIN__' # return-code=255

I've also noticed that .bsub scripts that I use for post-processing are now taking about 4 hours instead of 1 hour, which happens roughly since the time my suites failed yesterday evening.

Many thanks in advance for your help!

Cheers Markus

#3354 answered Error submitting to Archer ros sallyaw
Description

I am trying to run a UM job for the first time and when submitting to ARCHER I get the following error which I don't understand:

/home1/z00/puma-access-route/bin/pumawrapper: line 80: umui_runs/xovps-239153238/SUBMIT: No such file or directory

job is: xovps username: sallyaw

#3353 worksforme Back-end never delivered its pid (the same error as some other people had) um_support ggxmy
Description

Dear CMS,

My GC3.1 suite (u-bw985) failed with an error;

atpAppSigHandler: Back-end never delivered its pid. Re-raising signal.
_pmiu_daemon(SIGCHLD): [NID 05998] [c3-2c0s11n2] [Mon Aug 24 08:34:03 2020] PE RANK 1081 exit signal Aborted
atpAppSigHandler: Back-end never delivered its pid. Re-raising signal.
[NID 05998] 2020-08-24 08:34:03 Apid 113531865: initiated application termination
[FAIL] run_model # return-code=137
2020-08-24T08:34:09Z CRITICAL - failed/EXIT

ocean.output has these lines this near its end;

 ===>>> : E R R O R
         ===========

  stpctl: the zonal velocity is larger than 20 m/s

I can see this is a common problem. In #3310 it is solved by perturbing atmospheric dump file while in #3251 by changing the number of convection calls. Currently I have n_conv_calls=02 in app/um/rose-app.conf. Would you suggest to increase this to 03? Wouldn't it affect the result in any significant way?

Or would you recommend to perturb the atmospheric dump file? Then could you please tell me how I can perturb it? I also wonder if we can increase the number of initial dump files and hence the size of an ensemble by perturbing an atmospheric dump file?

Thanks, Masaru

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