*** This bug is a duplicate of bug 1840381 ***
https://bugs.launchpad.net/bugs/1840381
Public bug reported:
Dual boot system; on both systems is installed ubuntu 16.04. The error
appear after every update on one of the systems but not on the other, on
grub module; the update is applied, but is ended with this error.
ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22
ProcVersionSignature: Ubuntu 4.15.0-58.64~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-58-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.1-0ubuntu2.19
AptOrdering:
linux-signed-generic-hwe-16.04: Install
grub-efi-amd64-signed: Configure
linux-signed-generic-hwe-16.04: Configure
NULL: ConfigurePending
Architecture: amd64
Date: Wed Sep 4 16:49:28 2019
DpkgHistoryLog:
Start-Date: 2019-09-04 16:49:27
Commandline: /usr/bin/unattended-upgrade
Upgrade: linux-signed-generic-hwe-16.04:amd64 (4.15.0.58.79, 4.15.0.60.81)
DuplicateSignature:
package:grub-efi-amd64-signed:1.66.22+2.02~beta2-36ubuntu3.22
Setting up grub-efi-amd64-signed (1.66.22+2.02~beta2-36ubuntu3.22) ...
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 (666 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
RelatedPackageVersions:
dpkg 1.18.4ubuntu1.6
apt 1.2.32
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22 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 xenial
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https://bugs.launchpad.net/bugs/1842674
Title:
package grub-efi-amd64-signed 1.66.22+2.02~beta2-36ubuntu3.22 failed
to install/upgrade: subprocess installed post-installation script
returned error exit status 1
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