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entity-toolkit / entity

New generation astrophysical plasma simulation code with CPU/GPU portability
https://entity-toolkit.github.io/wiki/
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MPI error with mpich #60

Closed LudwigBoess closed 1 week ago

LudwigBoess commented 1 month ago

I encounter a crash when compiling with mpich/3.2.1 and gcc/10.2.0:

Fatal error in PMPI_Allgather: Invalid buffer pointer, error stack:
PMPI_Allgather(1000): MPI_Allgather(sbuf=0x490bc70, scount=1, MPI_FLOAT, rbuf=0x490bc70, rcount=1, MPI_FLOAT, MPI_COMM_WORLD) failed
PMPI_Allgather(945).: Buffers must not be aliased
[unset]: write_line error; fd=-1 buf=:cmd=abort exitcode=201926145
haykh commented 1 week ago

closing this as merged. feel free to reopen if problem persists.