It is related to a kernel bug. Don't know if you have the ability to upgrade kernels on EC2, but this bug can be worked around by installing one of the latest Ubuntu Mainline kernels.
You need at least: linux-image-3.15.0-031500rc2 Reference: http://www.deinon.com/wiki/doku.php?id=linux:ubuntu ** Changed in: vsftpd (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1313450 Title: Unable to start vsftpd on Ubuntu 14.04 (Amazon/EC2) with default configuration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/1313450/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs