i'm having the same issue pam is trying to authenticate you in a domain, to resolv this issue u have to reconfigure pam and disable Winbin NT/AD authentication
sudo dpkg-reconfigure -plow libpam-runtime -- passwd - can't login, change password https://bugs.launchpad.net/bugs/546874 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