Apache httpd core file analysis on Red Hat Enterprise Linux

Run a basic parse of any core files locally and get a backtrace and find the thread that died with the segfault. It is typically the thread that has <signal handler called> in it, with a subsequent kill(). For example:

gdb -c core.8429 /usr/sbin/httpd.worker
...
(gdb) thread 27
[Switching to thread 27 (Thread 10053)]#0  0x00002b93d7ed16a7 in kill () from /lib64/libc.so.6...