[petsc-users] Help letter from PETSc3.6 user

佟莹 lshtongying at 163.com
Wed Jan 12 23:18:08 CST 2022

Dear PETSc developers:
Recently the following problem appeared in my code:

[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[0]PETSC ERROR: Overflow in integer operation: http://www.mcs.anl.gov/petsc/documentation/faq.html#64-bit-indices
[0]PETSC ERROR: Mesh of 513 by 513 by 19 (dof) is too large for 32 bit indices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.6.1, Jul, 22, 2015 
[0]PETSC ERROR: runSimulation on a arch-linux2-c-opt named cn91 by hyper Thu Jan 13 10:21:05 2022
[0]PETSC ERROR: Configure options prefix=/****/software/petsc/3.6.1-c-gcc4.9-mvapich2 --with-cc=mpicc --with-cxx=mpicxx --with-fc=mpif90 --with-mpiexec=yhrun --with-blas-lib=/****/software/lapack/3.8.0-gcc4.9/lib64/libblas.a --with-lapack-lib=/***/software/lapack/3.8.0-gcc4.9/lib64/liblapack.a --with-debugging=0 --with-shared-libraries
[0]PETSC ERROR: #1 DMSetUp_DA_3D() line 211 in /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/da3.c
[0]PETSC ERROR: #2 DMSetUp_DA() line 27 in /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/dareg.c
[0]PETSC ERROR: #3 DMSetUp() line 569 in /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/interface/dm.c
[0]PETSC ERROR: #4 DMDACreate3d() line 1441 in /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/da3.c

However, the troubleshooting website mentioned in the tip no longer exists. For this, I want your help. Hope you can tell me how can I troubleshoot the above. Looking forward to hearing from you.


PETSc user
Ying Tong 

| |
lshtongying at 163.com
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