This might be caused by the interaction with a specific PAM module. Can you provide your /etc/pam.d/su configuration (and files included there).
Also did you have any message on the terminal, on /var/log/auth.log or on /var/log/syslog? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/913029 Title: su segfaults when Ctrl-D is entered as the first charachter in response to the password prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/913029/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
