Hi ,
   I am using 2 versions of AIX
1st is AIX 5.1 and other is AIX 5.3 .
I have some library in AIX 5.3 that is mounted in AIX 5.1
I have compiled the library from AIX 5.1 and AIX 5.3 but in both the
cases it is not get loaded.

I got the following error in both the cases :-

ATTENTION: 0031-408  2 tasks allocated by LoadLeveler, continuing...
exec(): 0509-036 Cannot load program ./hello because of the following
errors:
        0509-130 Symbol resolution failed for /opt/CMS-64/lib/
libhpcshm.so because:
exec(): 0509-036 Cannot load program ./hello because of the following
errors:
        0509-130 Symbol resolution failed for /opt/CMS-64/lib/
libhpcshm.so because:
        0509-136   Symbol __fd_select (number 41) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-136   Symbol __fd_select (number 41) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-130 Symbol resolution failed for /opt/CMS-64/lib/
libmpi.so because:
        0509-136   Symbol __fd_poll (number 53) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-136   Symbol __fd_select (number 54) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-130 Symbol resolution failed for /opt/CMS-64/lib/
libmpi.so because:
        0509-136   Symbol __fd_poll (number 53) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-136   Symbol __fd_select (number 54) is not exported from
                   dependent module /usr/lib/libc.a[shr_64.o].
        0509-150   Dependent module libmpi.so could not be loaded.
        0509-150   Dependent module libmpi.so could not be loaded.
        0509-026 System error: Cannot run a file that does not have a
valid format.
        0509-026 System error: Cannot run a file that does not have a
valid format.
        0509-192 Examine .loader section symbols with the
                 'dump -Tv' command.
        0509-192 Examine .loader section symbols with the
                 'dump -Tv' command.


Can anybody tell me whats the problem.
LIBPATH is set properly.

thanks in advance............