.
Thread 2 (process 13622):
#0  0x082e60ec in zend_hash_del_key_or_index ()
#1  0x082de116 in zend_unregister_functions ()
#2  0x082df5f6 in module_destructor ()
#3  0x082e5bfa in ?? ()
#4  0x082e5ec7 in zend_hash_graceful_reverse_destroy ()
#5  0x082db61c in zend_shutdown ()
#6  0x0828f57d in php_module_shutdown ()
#7  0x0835e41f in main ()
.
Thread 1 (process 13625):
#0  0xb6a63760 in ?? ()
#1  0xb7a0749e in clone () from /lib/tls/i686/cmov/libc.so.6