18394:	/usr/local/apache/2.2/17-T/bin/httpd -c PidFile /var/run/httpd-debuggi
 fecdabf7 lwp_mutex_timedlock (fec00000, 0)
 fecd1276 mutex_lock_internal (fec00000, 0, 1) + 1e6
 fecd167a mutex_lock_impl (fec00000, 0) + 14b
 fecd170a mutex_lock (fec00000, 0) + 1a
 fee9b45f proc_mutex_proc_pthread_acquire (81194c0, 0) + 2f
 fee9bcc2 apr_proc_mutex_lock (81194c0, 0) + 32
 0809bf03 accept_mutex_on (0, 1, 1, 0, 0, 2) + 13
 0809c841 child_main (3, 0) + 331
 0809cbb4 make_child (80d3680, 3) + 134
 0809cc2b startup_children (2, 0) + 4b
 0809d0c3 ap_mpm_run (80d1788, 80ff840, 80d3680) + 223
 0806d26e main     (5, 8047cc0, 8047cd8, feffb7d8) + a7e
 0806bf5d _start   (5, 8047d78, 8047d9d, 8047da0, 8047dc5, 8047dc8) + 7d