This is caused by fixing this bug: https://bugs.launchpad.net/ubuntu/quantal/+source/unity/+bug/950160
So the only way we can fix this is by reverting that other fix... The problem being we no longer grab all the keys so when a modifier is pressed compiz doesn't send the key terminate....
This is caused by fixing this bug: /bugs.launchpad .net/ubuntu/ quantal/ +source/ unity/+ bug/950160
https:/
So the only way we can fix this is by reverting that other fix... The problem being we no longer grab all the keys so when a modifier is pressed compiz doesn't send the key terminate....