Oracle Database Discussions

Hi ,
I just had a failback of my database to original server. But while bringing up the DB I am getting this error:
++++++++
exec(): 0509-036 Cannot load program oraclePCUS01 because of the following errors:
0509-130 Symbol resolution failed for /usr/lib/libc.a[aio_64.o] because:
0509-136 Symbol kaio_rdwr64 (number 1) is not exported from
dependent module /unix.
0509-136 Symbol listio64 (number 2) is not exported from
dependent module /unix.
0509-136 Symbol acancel64 (number 3) is not exported from
dependent module /unix.
0509-136 Symbol iosuspend64 (number 4) is not exported from
dependent module /unix.
0509-136 Symbol aio_nwait (number 5) is not exported from
dependent module /unix.
0509-136 Symbol aio_nwait64 (number 6) is not exported from
dependent module /unix.
0509-136 Symbol aio_nwait_timeout (number 7) is not exported from
dependent module /unix.
0509-136 Symbol aio_nwait_timeout64 (number 8) is not exported from
dependent module /unix.
0509-026 System error: Error 0
0509-192 Examine .loader section symbols with the
'dump -Tv' command.
ERROR:
ORA-12547: TNS:lost contact
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OS details> uname -a
AIX DOXDB1 3 5 00C11C654C00

Oracle version:10.2.0.3


Please suggest. I tried relinking the libraries ,but no success.
All the parameters like ORACLE_HOME, ORACLE_SID, SHLIB_PATH and/or LD_LIBRARY_PATH are properly set

Regds,
Kunwar