I managed to run 20.10 after connecting to that installation from my other running Ubuntu with chroot, installing net-tools (seemed to be missing for some reason so I had no ifconfig) and then update + upgrade. There was a kernel update and grub found what it needed to be able to boot also 20.10.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901137 Title: UEFI on Legacy - grub-install fails due to no space left on ESP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1901137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs