I have found an even more serious problem regarding libmpi.so.12: Unexpected output in exscanf: forrtl: severe (174): SIGSEGV, segmentation fault occurredUnexpected output in exscanf: Image PC Routine Line Source Unexpected output in exscanf: libmpi.so.12 00002ADB339C6F2C Unknown Unknown UnknownUnexpected output in exscanf: libmpi.so.12 00002ADB3394DA84 Unknown Unknown UnknownUnexpected output in exscanf: libmpi.so.12 00002ADB33925B33 Unknown Unknown UnknownUnexpected output in exscanf: libmpi.so.12 00002ADB338E9819 Unknown Unknown UnknownUnexpected output in exscanf: libmpifort.so.12 00002ADB3361D830 Unknown Unknown UnknownUnexpected output in exscanf: exscanf 00000000004087F6 Unknown Unknown UnknownUnexpected output in exscanf: exscanf 0000000000407824 Unknown Unknown UnknownUnexpected output in exscanf: exscanf 00000000004077AC Unknown Unknown UnknownUnexpected output in exscanf: libc.so.6 0000003050E1ED1D Unknown Unknown UnknownUnexpected output in exscanf: exscanf 00000000004076A9 Unknown Unknown UnknownUnexpected output in exscanf: Unexpected output in exscanf: ===================================================================================Unexpected output in exscanf: = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSESUnexpected output in exscanf: = PID 31438 RUNNING AT comsics.usm.myUnexpected output in exscanf: = EXIT CODE: 174Unexpected output in exscanf: = CLEANING UP REMAINING PROCESSESUnexpected output in exscanf: = YOU CAN IGNORE THE BELOW CLEANUP MESSAGESUnexpected output in exscanf: =================================================================================== All the required library path should be included already.I will appreciate any help.thank you. _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss