It seems that when you try to change the password polkit doesn't ask for authentication and doesn't do anything.
if you do something else before, like changing the real name, it authenticates, and from now on, changing the password will work.
It seems that when you try to change the password polkit doesn't ask for authentication and doesn't do anything.
if you do something else before, like changing the real name, it authenticates, and from now on, changing the password will work.