id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 5584 Frontend will hang is schemalock is still locked Nigel Isaac Richards If the table schemalock is locked, both the schema upgrade tests (which call lockSchema()), and the DB backup (mysqldump --lock-tables), will sit there forever. Attached patch fixes this for me. patch closed minor 0.22 mythtv head medium invalid 0