Try replacing pam-ldap/nss-ldap with nslcd and/or nssov and see if the problem persists. I'd bet it doesn't. See here https://bugs.launchpad.net/debian/+source/sudo/+bug/423252/comments/84 for reasons why you should have abandoned pam-ldap/nss-ldap years ago.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1410195 Title: Ctrl+Alt+F7 bypasses the light-locker lock-screen under XFCE To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/1410195/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs