erp5: enable mariadb core dump

https://mariadb.com/kb/en/enabling-core-dumps/

software/neoppod/software-common.cfg

@@ -129,6 +129,7 @@ inline =
   {{ variable }} \
   {%-   endfor %}
   {%- endif %}
+  ulimit -c unlimited
   exec "$basedir/bin/mysqld" --defaults-file='{{defaults_file}}' "$@"
 
 [versions]

stack/erp5/buildout.hash.cfg

@@ -42,7 +42,7 @@ md5sum = f45dc4568b63de39f49b8fecca5deef1
 
 [template-my-cnf]
 filename = my.cnf.in
-md5sum = 2c553103f1196f95e4b6d0716a1e0638
+md5sum = 99ad97bb28638c35054b10ff65bcc437
 
 [template-mariadb-initial-setup]
 filename = mariadb_initial_setup.sql.in

stack/erp5/my.cnf.in

@@ -85,6 +85,9 @@ character_set_server = {{ parameter_dict['character-set-server'] }}
 collation_server = {{ parameter_dict['collation-server'] }}
 skip_character_set_client_handshake
 
+# debugging
+core_file
+
 {% if 'ssl-key' in parameter_dict -%}
 ssl_cert = {{ parameter_dict['ssl-crt'] }}
 ssl_key = {{ parameter_dict['ssl-key'] }}