Public bug reported: The computer has 3 boot-disks sda with Ubuntu artful efi boot sdb with W10 non efi boot sdc with Ubuntu artful non efi boot
Problems earlier with grub on sda as sudo update-grub don't find the W10 installation. ProblemType: Package DistroRelease: Ubuntu 17.10 Package: grub-efi-amd64-signed 1.83+2.02~beta3-4ubuntu5 ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11 Uname: Linux 4.10.0-21-generic x86_64 ApportVersion: 2.20.5-0ubuntu4 Architecture: amd64 Date: Sat Jun 3 12:53:17 2017 DuplicateSignature: package:grub-efi-amd64-signed:1.83+2.02~beta3-4ubuntu5 Setting up grub-efi-amd64-signed (1.83+2.02~beta3-4ubuntu5) ... grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory. dpkg: error processing package grub-efi-amd64-signed (--configure): subprocess installed post-installation script returned error exit status 1 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2017-04-29 (35 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170428) RelatedPackageVersions: dpkg 1.18.23ubuntu7 apt 1.4.5 SourcePackage: grub2-signed Title: package grub-efi-amd64-signed 1.83+2.02~beta3-4ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1695600 Title: package grub-efi-amd64-signed 1.83+2.02~beta3-4ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1695600/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs