Since this bug only seems to affect systems with libpam-mount installed, and that isn't installed by default, we're trying to determine which package causes its installation.
Could those affected please report the result of: apt-cache policy sadms -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/927828 Title: sudo: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/sudo/+bug/927828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs