As in summary, the commands below crash the server. I attach my configuration file if it can help.

mysql> create temporary table tmp.pippo select * from config;
Query OK, 1 row affected (0.09 sec)
Records: 1 Duplicates: 0 Warnings: 0

mysql> truncate table tmp.pippo;
Query OK, 0 rows affected (0.09 sec)

mysql> insert into tmp.pippo select * from config;
ERROR 2013 (HY000): Lost connection to MySQL server during query