[MITgcm-support] MOM_IMPLICIT_R: error when solving 3-Diag problem.

[Hazel, Julia]

Hello- I’m trying to run on stampede2 and getting the following error after the run has executed for ~ 30 minutes.
I see the error is located in the mom_u_implicit_r.f file, but I can’t determine how to fix it.

TACC:  Starting up job 2532480
TACC:  Setting up parallel environment for MVAPICH2+mpispawn.
TACC:  Starting parallel tasks...
MOM_IMPLICIT_R: error when solving 3-Diag problem.
[c402-031.stampede2.tacc.utexas.edu<http://c402-031.stampede2.tacc.utexas.edu>:mpispawn_1][readline] Unexpected End-Of-File on file descriptor 45. MPI process died?
[c402-031.stampede2.tacc.utexas.edu<http://c402-031.stampede2.tacc.utexas.edu>:mpispawn_1][mtpmi_processops] Error while reading PMI socket. MPI process died?


My data file is as follows— thank you!

# Continuous equation parameters
 &PARM01
 vectorInvariantMomentum=.TRUE.,
 viscAr=0.00000000e+00,
 viscA4=0.00000000e+00,
 viscAh=0.00000000e+00,
 viscA4Grid=1.00000000e-01,
 viscAhGrid=0.00000000e+00,
 viscA4GridMax=5.00000000e-01,
 viscAhGridMax=1.00000000e+00,
 useAreaViscLength=.FALSE.,
 useFullLeith=.TRUE.,
 viscC4leith=0.00000000e+00,
 viscC4leithD=0.00000000e+00,
 viscC2leith=0.00000000e+00,
 viscC2leithD=0.00000000e+00,
 diffKrT=0.00000000e+00,
 diffKhT=0.00000000e+00,
 diffK4T=0.00000000e+00,
 tempAdvScheme=7,
 saltAdvScheme=7,
 multiDimAdvection=.TRUE.,
 tempStepping=.TRUE.,
 saltStepping=.TRUE.,
 staggerTimeStep=.TRUE.,
 eosType='JMD95Z',
 no_slip_sides=.FALSE.,
 no_slip_bottom=.FALSE.,
 bottomDragLinear=0.00000000e+00,
 bottomDragQuadratic=2.10000000e-03,
 gravity=9.81000000e+00,
 rhonil=1.02750000e+03,
 rhoConst=1.02750000e+03,
 ivdc_kappa=0.00000000e+00,
 implicitDiffusion=.TRUE.,
 implicitViscosity=.TRUE.,
 exactConserv=.TRUE.,
 useCDscheme=.FALSE.,
 hFacMin=1.00000000e-01,
 hFacMinDr=0.00000000e+00,
 readBinaryPrec=64,
 useSingleCpuIO=.TRUE.,
 implicitDiffusion=.TRUE.,
 implicitViscosity=.TRUE.,
 debugLevel=-1,
 vectorInvariantMomentum=.FALSE.,
 useJamartWetPoints=.TRUE.,
 useJamartMomAdv=.TRUE.,:

 &PARM02
 useSRCGSolver=.TRUE.,
 cg2dMaxIters=1000,
 cg2dTargetResidual=1.00000000e-12,
 &

# Time stepping parameters
 &PARM03
 momDissip_In_AB=.FALSE.,
 tracForcingOutAB=1,
 nIter0=0,
 abEps=1.00000000e-01,
 chkptFreq=2.59200000e+06,
 pChkptFreq=2.59200000e+06,
 taveFreq=0.00000000e+00,
 dumpFreq=0.00000000e+00,
 monitorFreq=3.16224000e+07,
 cAdjFreq=0.00000000e+00,
 dumpInitAndLast=.TRUE.,
 pickupStrictlyMatch=.FALSE.,
 endTime=63244800,
 deltaT=3.00000000e+02,
 &

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