#0  0x4012887e in sigsuspend () from /lib/libc.so.6
#1  0x400ef879 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0x400f1a36 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x400edfd2 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x4016da8b in free () from /lib/libc.so.6
#5  0x40369bac in _efree (ptr=0x8334164) at /usr/src/php-4.3.8/Zend/zend_alloc.c:265
#6  0x403759f9 in _zval_dtor (zvalue=0x8366328) at /usr/src/php-4.3.8/Zend/zend_variables.c:44
#7  0x4036e619 in free_zend_constant (c=0x8366328) at /usr/src/php-4.3.8/Zend/zend_constants.c:31
#8  0x4037a26c in zend_hash_del_key_or_index (ht=0x8196dd8, arKey=0x8366310 "RES_TYPE_ARTISTS", nKeyLength=17, h=0, flag=0)
    at /usr/src/php-4.3.8/Zend/zend_hash.c:527
#9  0x4037a7b3 in zend_hash_reverse_apply (ht=0x8196dd8, apply_func=0x4036e684 <clean_non_persistent_constant>) at /usr/src/php-4.3.8/Zend/zend_hash.c:775
#10 0x4036e983 in clean_non_persistent_constants () at /usr/src/php-4.3.8/Zend/zend_constants.c:162
#11 0x4036f096 in shutdown_executor () at /usr/src/php-4.3.8/Zend/zend_execute_API.c:207
#12 0x403766fd in zend_deactivate () at /usr/src/php-4.3.8/Zend/zend.c:667
#13 0x40352ab4 in php_request_shutdown (dummy=0x0) at /usr/src/php-4.3.8/main/main.c:996
#14 0x4038c618 in php_apache_request_dtor (r=0x8765b10) at /usr/src/php-4.3.8/sapi/apache2handler/sapi_apache2.c:461
#15 0x4038ca9a in php_handler (r=0x8765b10) at /usr/src/php-4.3.8/sapi/apache2handler/sapi_apache2.c:577
#16 0x080795b9 in ap_run_handler (r=0x8765b10) at config.c:151
#17 0x08079b03 in ap_invoke_handler (r=0x8765b10) at config.c:358
#18 0x08067fb6 in ap_process_request (r=0x8765b10) at http_request.c:246
#19 0x08063f3a in ap_process_http_connection (c=0x81bfdb0) at http_core.c:250
#20 0x080828a8 in ap_run_process_connection (c=0x81bfdb0) at connection.c:42
#21 0x08082b6c in ap_process_connection (c=0x81bfdb0, csd=0x81bfcd8) at connection.c:175
#22 0x08078240 in child_main (child_num_arg=40) at prefork.c:609
#23 0x0807839a in make_child (s=0x80f4700, slot=40) at prefork.c:703
#24 0x08078541 in perform_idle_server_maintenance (p=0x80b30c8) at prefork.c:838
#25 0x080788df in ap_mpm_run (_pconf=0x80b30c8, plog=0x80eb1a8, s=0x80f4700) at prefork.c:1039
#26 0x0807deae in main (argc=3, argv=0xbfffdbf4) at main.c:617