cannot connect to Teradata via perl on linux - getting core dumps

[:home/cl2515/perl] perl -MDBI -e 'DBI->installed_versions;'
  Perl            : 5.016003    (x86_64-linux)
  OS              : linux       (2.6.32-220.4.2.el6.x86_64)
  DBI             : 1.631
  DBD::Teradata   : 1.52
    DBD::ODBC       : 1.52
 
My code
use DBI;
use DBD::ODBC;

my $user = 'cl2515';
my $pw = 'XXXXX';
my $dsn = "dbi:ODBC:DWSAND";

my $dbh = DBI->connect($dsn, $user, $pw,
{PrintError => 1, RaiseError => 1}); 
 

/opt/teradata/client/15.10/bin/tdxodbc64

Enter Data Source Name: DWSAND

Enter UserID: cl2515

Enter Password:

Connecting with SQLConnect(DSN=DWSAND,UID=cl2515,PWD=*)...

.....ODBC connection successful.

ODBC version        = -03.52.0000-

DBMS name           = -Teradata-

DBMS version        = -14.10.0508  14.10.05.08-

Driver name         = -tdata.so-

Driver version      = -15.10.00.01-

Driver ODBC version = -03.51-

(type quit to terminate adhoc)

Enter SQL string :

when I run tdxodbc64 I am successfull but when I run my code above i get a core dump.Any help is appreciated . thank you

Collins