I'm upgrading from MySQL 5.1 to 5.5, running mysql_upgrade and getting this output: # mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck FATAL ERROR: Upgrade failed Any ideas on where to look for what's happening (or, not happening?) so I can fix whatever is wrong and actually run mysql_upgrade? Thanks! More output: # mysql_upgrade --verbose Looking for 'mysql' as: