jik2:~!1008$ perl <<\EOF
                                                            use Net::DNS;
    $res = Net::DNS::Resolver->new;
    $res->udp_timeout(1);
    $res->nameservers('127.0.0.1');
    $res->search("localhost") || die "Localhost lookup failed\n";
EOF
perl: symbol lookup error: /usr/lib/perl5/vendor_perl/5.10.0/i386-linux-thread-multi/auto/Socket6/Socket6.so: undefined symbol: Perl_pad_sv
jik2:~!1009$ # after rebuilding perl-Socket6 locally and reinstalling it
jik2:~!1010$ perl <<\EOF                                        
    use Net::DNS;
    $res = Net::DNS::Resolver->new;
    $res->udp_timeout(1);
    $res->nameservers('127.0.0.1');
    $res->search("localhost") || die "Localhost lookup failed\n";
EOF
jik2:~!1011$