Disregard my comment, it was due to UID mismatching -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to bash in Ubuntu. https://bugs.launchpad.net/bugs/1323068
Title: -su: cannot set terminal process group (-1): Inappropriate ioctl for device Status in bash package in Ubuntu: Confirmed Bug description: *Not* happening in Ubuntu 12.04.4 LTS ubuntu-precise-daily-amd64-server-20140522 (ami-c446aeac) ubuntu@ip-10-0-0-30:~$ sudo su - root@ip-10-0-0-30:~# su - ubuntu - ubuntu@ip-10-0-0-30:~$ Happening in Ubuntu 14.04 LTS ubuntu-trusty-14.04-amd64-server-20140416.1 (ami-018c9568) ubuntu@build:~$ sudo su - root@build:~# su - ubuntu - -su: cannot set terminal process group (-1): Inappropriate ioctl for device -su: no job control in this shell ubuntu@build:~$ ******* test with zsh (ubuntu:x:1000:1000:Ubuntu:/home/ubuntu:/bin/zsh) build% sudo su - root@build:~# su - ubuntu - build% To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1323068/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp