Relink of module "fndfmxit.so" failed

Scenario:


While applying the application patch end up with relink error.

Note : Issue Occurs in 12.0 and later versions

Error:

ld: 0711-851 SEVERE ERROR: Output file:
/test/apps/apps_st/appl/fnd/12.0.0/bin/fndfmxit.so
The file is in use and cannot be overwritten.
make: The error code from the last command is 12.
Stop.
Done with link of fnd executable 'fndfmxit.so' on Wed Sep 12 04:32:48
GMT+05:30 2012

Relink of module "fndfmxit.so" failed.
See error messages above (also recorded in log file) for possible
reasons for the failure. Also, please check that the Unix userid
running adrelink has read, write, and execute permissions
on the directory /test/apps/apps_st/appl/fnd/12.0.0/bin,
and that there is sufficient space remaining on the disk partition
containing your Oracle Applications installation.

Cause:

The issue is caused by the following: executables were used at the moment when
relink was performed

Solution:

1. Please stop all APPS services.
2. Retry patch. If is still failing please implement step 3.
3. Run (as root) slibclean command to clear unused shared libraries from memory.

Command to Run Just run this in db Tier
/usr/sbin/slibclean

4. Retry patch

Reference :

Relink Of Module "Fndfmxit.So" Failed. The file is in use and cannot be overwritten [ID 551208.1]