Public bug reported: Tried to upgrade a 17.04 to 18.04 beta 2, without wiping system. I removed all directories on the SSD except home before the install.
Just error aborted on "grub-efi-amd64-signed failed to install" SSD is formatted as 3 partitions, bios/swap/root # fdisk -l /dev/sda Disk /dev/sda: 477 GiB, 512110190592 bytes, 1000215216 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: 7E8873B9-CD45-408B-8D2F-C46053AB715B Device Start End Sectors Size Type /dev/sda1 2048 4095 2048 1M BIOS boot /dev/sda2 4096 4225023 4220928 2G Linux swap /dev/sda3 4225024 1000215182 995990159 474.9G Linux filesystem ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubiquity 18.04.4 [modified: lib/partman/automatically_partition/question] ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 ApportVersion: 2.20.9-0ubuntu2 Architecture: amd64 CasperVersion: 1.392 Date: Fri Apr 13 10:08:02 2018 InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash --- LiveMediaBuild: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404) SourcePackage: grub-installer UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub-installer (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic ubiquity-18.04.4 ubuntu-mate -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1763783 Title: Upgrading 17.10 to 18.04, no disk format To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1763783/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs