Hi Yuri, I figured out this problem. On FreeBSD, the MPI_* weak symbols must use __attribute__  ((weak, alias("PMPI_*"))), but such option is not set in some MPI functions such as MPI_Status_c2f. We will fix this problem in MPICH soon. You can use this ticket to check fixing status: https://github.com/pmodels/mpich/issues/3348 Thanks for reporting this bug. Min On 2018/09/29 0:50, Yuri wrote:

On 9/28/18 12:29 PM, Si, Min wrote:

...

I need to build MPICH on the same FreeBSD version to figure it out.

Install into a VM using this ISO image: https://download.freebsd.org/ftp/releases/amd64/amd64/ISO-IMAGES/11.2/FreeBS...

In VM, cd /usr/ports/net/mpich && make

Yuri

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