I'm getting a core dump with apache from time to time. This on a HP-UX 11.11 box running apache 2.0.58. Details below. # /home/sysadmin/reedn2/gdb/gdb httpd core HP gdb 5.8 for PA-RISC 1.1 or 2.0 (narrow), HP-UX 11.00 and target hppa1.1-hp-hpux11.00. Copyright 1986 - 2001 Free Software Foundation, Inc. Hewlett-Packard Wildebeest 5.8 (based on GDB) is covered by the GNU General Public License. Type "show copying" to see the conditions to change it and/or distribute copies. Type "show warranty" for warranty/support. .. Core was generated by `httpd'. Program terminated with signal 11, Segmentation fault. #0 0xc04d4e1c in () Cannot access memory at address 0xc04d4e1c (gdb) bt #0 0xc04d4e1c in () warning: Attempting to unwind past bad PC 0xc04d4e1c #1 0xc04b5fd8 in __shlTerm__FP16mapped_shl_entryPC15__staticArray_tT2+0x29c () from /usr/lib/libCsup.sl #2 0xc005e580 in pthread_mutex_unlock+0x134 () from /usr/lib/libpthread.1 #3 0xc04b60b0 in __shlInit+0x44 () from /usr/lib/libCsup.sl #4 0xd00185e0 in _shlInit+0x20 () from /opt/siebel/installation/SWSE/bin/libsslcsmgr.sl #5 0xc04b5a20 in __shlinit+0xac () from /usr/lib/libCsup.sl #6 0xc04b5d24 in __callInitFuncFromHandle+0xf0 () from /usr/lib/libCsup.sl #7 0xc04b7c60 in __niamHelper__FPC15__staticArray_tT1+0x8c () from /usr/lib/libCsup.sl #8 0xc04b7dec in _niam_body+0x88 () from /usr/lib/libCsup.sl #9 0xc04b7ef8 in _niam+0x1c () from /usr/lib/libCsup.sl #10 0xc0184864 in exit+0x74 () from /usr/lib/libc.2 #11 0x4d078 in main+0x7f8 () (gdb) root@rp5470-4 /opt/hpws/apache/bin> ./httpd -v Server version: Apache/2.0.58 HP-UX_Apache-based_Web_Server Server built: Aug 29 2006 17:40:05 root@rp5470-4 /opt/hpws/apache/bin> ./httpd -l Compiled in modules: core.c worker.c http_core.c mod_so.c root@rp5470-4 /opt/hpws/apache/bin> ./httpd -V Server version: Apache/2.0.58 HP-UX_Apache-based_Web_Server Server built: Aug 29 2006 17:40:05 Server's Module Magic Number: 20020903:12 Server loaded: APR 0.9.12, APR-UTIL 0.9.12 Compiled using: APR 0.9.12, APR-UTIL 0.9.12 Architecture: 32-bit Server compiled with.... -D APACHE_MPM_DIR="server/mpm/worker" -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PROC_PTHREAD_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D APR_PROCESS_LOCK_IS_GLOBAL -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D HTTPD_ROOT="/opt/hpws/apache" -D DEFAULT_CHROOT_DIR="" -D SUEXEC_BIN="/opt/hpws/apache/bin/suexec" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="conf/mime.types" -D SERVER_CONFIG_FILE="conf/httpd.conf" root@rp5470-4 /opt/hpws/apache/bin>