I still have this problem with clean, fully upgraded Ubuntu 18.04.1 install, in my case, with two users. I log in into one of them, click on "Change user" (or similar in English, I have a Spanish installation) and then GDM password is revealed in VT1.
I still have this problem with clean, fully upgraded Ubuntu 18.04.1 install, in my case, with two users. I log in into one of them, click on "Change user" (or similar in English, I have a Spanish installation) and then GDM password is revealed in VT1.