I have to say this is not a problem from gdm and sure caused by bug #442742, because the "_Password:" is from policykit-gnome package other than gdm itself.
https://translations.edge.launchpad.net/ubuntu/karmic/+source/policykit- gnome/+pots/policykit- gnome/es/+translate?batch=10&show=all&search=Password%3A After this update, Password's translation also doesn't show up in my native language (zh_CN). -- "Password:" is shown untranslated, and can't be translated https://bugs.launchpad.net/bugs/442978 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs