Enable php-fpm to create core dumps

Enable php-fpm to create core dumps

You can enable core dump with:

su -
echo '/tmp/core-%e.%p' > /proc/sys/kernel/core_pattern
echo 0 > /proc/sys/kernel/core_uses_pid
ulimit -c unlimited

Set the rlimit_core directive in /etc/php-fpm.d/www.conf to unlimited:

rlimit_core = unlimited

How to read the php-fpm core dump

yum install gdb -y

which php-fpm

gdb /path/to/php-fpm core.dump

Then type in bt

bt

Out pours alot of info to read