..... init stuff ......
my $db = DBI->connect(.....)
my $manage = MyPackage->new( $db ) ;
..... end init stuff .....
..... usage .......
push @threads, new Thread \&start_thread, $manage ;
.....

##</code><code>##

thread failed to start: DBD::mysql::db quote failed: handle 2 is owned by thread 8166008 not current thread 9178d90 (handles can't be shared between threads and your driver may need a CLONE method added) at /usr/lib/perl5........