*** This bug is a duplicate of bug 1800106 ***
https://bugs.launchpad.net/bugs/1800106
Public bug reported:
initially grub2 failed to install but after repairing the boot it is
working. But there is no error in my device's boot sector.
ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64-signed (not installed)
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
AptOrdering: NULL: ConfigurePending
Architecture: amd64
Date: Sat Jan 26 13:53:38 2019
Df:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda6 97904924 4257708 88630896 5% /
udev 4002024 0 4002024 0% /dev
tmpfs 804640 1892 802748 1% /run
DpkgTerminalLog:
Setting up grub-efi-amd64-signed (1.93.3+2.02-2ubuntu8.2) ...
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess
returned error exit status 1
ErrorMessage: installed grub-efi-amd64-signed package post-installation script
subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal,
3.6.5-3ubuntu1
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal,
2.7.15~rc1-1
RelatedPackageVersions:
dpkg 1.19.0.5ubuntu2
apt 1.6.3
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed (not installed) failed to install/upgrade:
installed grub-efi-amd64-signed package post-installation script subprocess
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 bionic
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https://bugs.launchpad.net/bugs/1813389
Title:
package grub-efi-amd64-signed (not installed) failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script subprocess returned error exit status 1
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