The file 53disable_unattended_upgrades, located in /usr/share/initramfs- tools/scripts/casper-bottom is not executable so presumably it didn't get run and the -security pocket is still enabled in /etc/apt/apt.conf.d/50unattended_upgrades.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1619188 Title: Unattended upgrades can break persistent live media To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/casper/+bug/1619188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs