Peter: Since I don't have the system(s) around in a state that I can check that anymore, I can't answer your question.
You should be able to reproduce the problem by downgrading the pam packages, removing the /etc/default/locale, and then upgrading. But I haven't tested that.
You can't expect users to be able to help out with bugs like this when they are over 3 years old. :-/
Peter: Since I don't have the system(s) around in a state that I can check that anymore, I can't answer your question.
You should be able to reproduce the problem by downgrading the pam packages, removing the /etc/default/ locale, and then upgrading. But I haven't tested that.
You can't expect users to be able to help out with bugs like this when they are over 3 years old. :-/