Error in MPI_IRECV

17 Oct 2025


      Hi all, I am trying to run FLASH4.8, where I am getting the following
error. Can someone please, suggest to me why this error is coming.
Thank you in advance.
497 |            Call MPI_IRECV(parentt(1,i),2,MPI_INTEGER,                &
      |                          2
......
  633 |         Call MPI_IRECV(buffert(1,i),buf_size,
 &
      |                       1
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (REAL(8)/INTEGER(4)).
amr_migrate_tree_data.F90:642:23:

  497 |            Call MPI_IRECV(parentt(1,i),2,MPI_INTEGER,
 &
      |                          2
......
  642 |         Call MPI_IRECV(newchildt(i),1,MPI_LOGICAL,
  &
      |                       1
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (LOGICAL(4)/INTEGER(4)).
amr_migrate_tree_data.F90:717:23:

  513 |               Call MPI_SSEND (new_loc(1,i),2,MPI_INTEGER,
  &
      |                              2
......
  717 |         Call MPI_SSEND(buffer(1),buf_size,amr_mpi_real,
 &
      |                       1
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (REAL(8)/INTEGER(4)).
amr_migrate_tree_data.F90:725:23:

  513 |               Call MPI_SSEND (new_loc(1,i),2,MPI_INTEGER,
  &
      |                              2
......
  725 |         Call MPI_SSEND(newchild(i),1,MPI_LOGICAL,
 &
      |                       1
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (LOGICAL(4)/INTEGER(4)).
amr_migrate_tree_data.F90:260:25:

  260 |           Call MPI_IRECV(buffert(1,i),buf_size,
   &
      |                         1
......
  497 |            Call MPI_IRECV(parentt(1,i),2,MPI_INTEGER,
 &
      |                          2
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (REAL(8)/INTEGER(4)).
amr_migrate_tree_data.F90:269:25:

  269 |           Call MPI_IRECV(newchildt(i),1,MPI_LOGICAL,
    &
      |                         1
......
  497 |            Call MPI_IRECV(parentt(1,i),2,MPI_INTEGER,
 &
      |                          2
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (LOGICAL(4)/INTEGER(4)).
amr_migrate_tree_data.F90:330:25:

  330 |           Call MPI_SSEND(buffer(1),buf_size,amr_mpi_real,
   &
      |                         1
......
  513 |               Call MPI_SSEND (new_loc(1,i),2,MPI_INTEGER,
  &
      |                              2
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (REAL(8)/INTEGER(4)).
amr_migrate_tree_data.F90:338:25:

  338 |           Call MPI_SSEND(newchild(i),1,MPI_LOGICAL,
   &
      |                         1
......
  513 |               Call MPI_SSEND (new_loc(1,i),2,MPI_INTEGER,
  &
      |                              2
Error: Type mismatch between actual argument at (1) and actual argument at
(2) (LOGICAL(4)/INTEGER(4)).
amr_restrict_ec_genorder.F90:310:37:


-- 
*Dr. D. P. S. L. Kameswari*

phani sri

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