Confirmed under openSUSE 13.1. Disabling NCQ makes discard work again, so it must be the combination of TRIM with Linux' NCQ implementation. Someone should contact Samsung w.r.t. issue.
Confirmed under openSUSE 13.1. Disabling NCQ makes discard work again, so it must be the combination of TRIM with Linux' NCQ implementation. Someone should contact Samsung w.r.t. issue.