Julian, I gave up on the upgrade and installed a fresh version of 18.04, which worked fine. I guess the bug is in the upgrade process.
Bill On 09/03/2018 03:07 AM, Julian Andres Klode wrote: > That's by design to prevent you from installing a bootloader on a system > where you have no kernel that will boot. > > ** Changed in: grub2 (Ubuntu) > Status: Confirmed => New > > ** Changed in: grub2 (Ubuntu) > Status: New => Opinion > -- _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ _/ _/ _/ / / / ____/ William W. Hager _/ _/ / / / / 462 Little Hall _/ _/ / / / ____/ Department of Mathematics _/ _/ /__/ / / UNIVERSITY OF FLORIDA _/ _/ _______/ __/ Gainesville FL 32611-8105 _/ _/ _/ _/ Phone : (352) 294-2308 E-mail : ha...@ufl.edu _/ _/ FAX : (352) 392-8357 https://people.clas.ufl.edu/hager/ _/ _/ _/ _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ -- 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