MySQL Converting 5.0 to 5.1
Manually run the commands below:
$ mysqlcheck --check-upgrade --all-databases --auto-repair -p -u root $ mysql_fix_privilege_tables -u root --password=<password> $ mysqlcheck --all-databases --check-upgrade --fix-db-names --fix-table-names -p -u root
should fix any tables that are not 5.1 compatible.