SLES15 SP2でIntel MPIまたはAnsys Mechanicalベンチマークの1つを使用してmpitestを実行すると、以下のセグメンテーション違反(SIGSEGV)が発生します。 # mpitest -np 2 forrtl: severe (174): SIGSEGV, segmentation fault occurred Image PC Routine Line Source mpitestintelmpi.e 000000000040EB23 Unknown Unknown Unknown libpthread-2.26.s 00007F49D42B42D0 Unknown Unknown Unknown libc-2.26.so 00007F49D3F727A2 strtok_r Unknown Unknown libmpi.so.12.0 00007F49D5409591 __I_MPI___intel_s Unknown Unknown libmpi.so.12.0 00007F49D52CB8F5 Unknown Unknown Unknown libmpi.so.12.0 00007F49D52CE604 Unknown Unknown Unknown libmpi.so.12.0 00007F49D527214A Unknown Unknown Unknown libmpi.so.12.0 00007F49D525F903 MPI_Init Unknown Unknown libmpifort.so.12. 00007F49D4CC6240 MPI_INIT Unknown Unknown mpitestintelmpi.e 0000000000405BBE Unknown Unknown Unknown mpitestintelmpi.e 0000000000404072 Unknown Unknown Unknown libc-2.26.so 00007F49D3F0A34A __libc_start_main Unknown Unknown mpitestintelmpi.e 0000000000403F69 Unknown Unknown Unknown Ansys MechanicalベンチマークV20sp-5を実行した際にも同様の出力がありました。 Running: ansys202 -b nolist -perf on -dis -np 2 -mpi intelmpi -mopt opti -i V20sp-5.dat -o V20sp-5_DMP__np2.out forrtl: severe (174): SIGSEGV, segmentation fault occurred Image PC Routine Line Source libifcoremt.so.5 00007F4D6B351522 for__signal_handl Unknown Unknown libpthread-2.26.s 00007F4D3861E2D0 Unknown Unknown Unknown libc-2.26.so 00007F4D35EA27A2 strtok_r Unknown Unknown libmpi.so.12.0 00007F4D34E9B591 __I_MPI___intel_s Unknown Unknown libmpi.so.12.0 00007F4D34D5D8F5 Unknown Unknown Unknown libmpi.so.12.0 00007F4D34D606…