rake (one) over the coals
To scold, reprimand, or reprove one severely for an error or mistake. I was raked over the coals by my boss last week for messing up the accounting software. I know Mary messed up, but don't rake her over the coals too hard for it.
rake over (old) coals (or rake over the ashes)
revive the memory of a past event which is best forgotten. chiefly British