Public bug reported: I have a system with 2 installed ubuntu 16.04 OS on sdb disk. On efi- bios, the sdb-disk is configured to be the boot disk.
On every system update, only on the 2-nd installed system I get this error on grub package re-config process. Also, only on the 2-nd installed system, at boot, I get the errors: [...] [Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table [...] [Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table [...] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found [...] AMD-Vi: Disabling interrupt remapping ProblemType: Package DistroRelease: Ubuntu 16.04 Package: grub-efi-amd64-signed 1.66.17+2.02~beta2-36ubuntu3.17 ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13 Uname: Linux 4.13.0-36-generic x86_64 NonfreeKernelModules: zfs zunicode zavl zcommon znvpair ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 Date: Wed Feb 28 14:47:43 2018 DuplicateSignature: package:grub-efi-amd64-signed:1.66.17+2.02~beta2-36ubuntu3.17 Setting up grub-efi-amd64-signed (1.66.17+2.02~beta2-36ubuntu3.17) ... 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 2017-11-06 (116 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) RelatedPackageVersions: dpkg 1.18.4ubuntu1.3 apt 1.2.25 SourcePackage: grub2-signed Title: package grub-efi-amd64-signed 1.66.17+2.02~beta2-36ubuntu3.17 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 need-duplicate-check xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753147 Title: package grub-efi-amd64-signed 1.66.17+2.02~beta2-36ubuntu3.17 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/1753147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs