On Mon, 20 Oct 2025 at 02:32, fistrosan via discuss <discuss@mpich.org> wrote:

If Gregor's answer does not solve it try adding -std=legacy to gfortrans compiler flags. Sent from Proton Mail for Android. -------- Original Message -------- On Friday, 10/17/25 at 14: 26 Gregor Corbin via discuss <discuss@ mpich. org> wrote:

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If Gregor's answer does not solve it try adding -std=legacy to gfortrans compiler flags.

Sent from Proton Mail for Android.
-------- Original Message --------
On Friday, 10/17/25 at 14:26 Gregor Corbin via discuss <discuss@mpich.org> wrote:
Hi,

let me guess: this code uses `include mpif.h` and is compiled with gfortran. If so, try to add `-fallow-argument-mismatch' to your compiler flags.

Explanation: With the include file, there are no explicit interfaces and the compiler generates an implicit interface from the call to `MPI_IRECV`. Having two calls with different argument types is an error since some gcc version (10 IIRC).

Cheers,

Gregor Corbin

On 17.10.25 13:30, phani sri via discuss wrote:
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, &

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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
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