"perl_5.22 db.p" ... "Perl5.16", do you have multiple versions of perl installed?

'but can see logs like "cant establish oracle connection"'

You'll see these unless you set some environment variables before installing. See Re^3: DBI AND ORACLE 8 and the module documentation.

In reply to Re^3: DBI throwing segmentation fault by marto
in thread DBI throwing segmentation fault by ksbehal

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