or download this
#0 0x000000080283d92d in pthread_mutex_destroy () from /lib/libthr.so
+.3
#1 0x0000000801a15a15 in xmlFreeMutex () from /usr/local/lib/libxml2.
+so.5
...
#7 0x000000080068c3c3 in Perl_call_list () from /usr/local/lib/perl5/
+5.10.1/mach/CORE/libperl.so
#8 0x000000080068fe5f in perl_destruct () from /usr/local/lib/perl5/5
+.10.1/mach/CORE/libperl.so
#9 0x0000000000400bcc in main ()