The mips build (including the code regression test) of mpgrafic-0.3.9-1 succeeded:
https://buildd.debian.org/status/fetch.php?pkg=mpgrafic&arch=mips&ver=0.3.9-1&stamp=1485163898&raw=0 So this bug might not be purely an endianness bug.
- Bug#851918: MPI_Comm_dup error still occurs on s390x, ppc64, ... Boud Roukema
- Bug#851918: might not be endianness-related - mips build... Boud Roukema
