I also did receive an unsigned kernels dialog when I had a unsigned version of vmlinuz-4.10.0-28-generic installed.
** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done verification-done-bionic ** Attachment added: "grub2-proposed.png" https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1788727/+attachment/5212786/+files/grub2-proposed.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1788727 Title: upgrade crashing due to unsigned kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1788727/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs