It looks like you tried to shrink the volume smaller than the minimum possible size, so it aborted. Partman shouldn't allow you to try to do that. I'm guessing there is something wrong with it's logic in determining the minimum allowed size.
It looks like you tried to shrink the volume smaller than the minimum possible size, so it aborted. Partman shouldn't allow you to try to do that. I'm guessing there is something wrong with it's logic in determining the minimum allowed size.