In comment #9 you verified that it was fixed with "Ubuntu Impish daily" but in comment #11 you are testing "Xubuntu Beta release". Did you previously verify that this was fixed on Xubuntu? I ask as its possible something other than (or in addition to) plymouth is causing the issue on Xubuntu.
In comment #9 you verified that it was fixed with "Ubuntu Impish daily" but in comment #11 you are testing "Xubuntu Beta release". Did you previously verify that this was fixed on Xubuntu? I ask as its possible something other than (or in addition to) plymouth is causing the issue on Xubuntu.