Tente esse:
mysqlcheck --auto-repair -A -u username -ppassword
Dentro do terminal MySQL
repair table mysql.proc;
Referência:https://dev.mysql.com/doc /refman/5.1/en/repair-table.html Modifique o my.cnf
[mysqld]
character-sets-dir=/usr/share/mysql/charsets
Referência:http://dev.mysql.com/doc /refman/5.0/en/repair-table.html