Ubuntu
grub2 package

package grub-efi-amd64 2.02-2ubuntu8.3 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1

Bug #1788864 reported by josh on 2018-08-24

This bug report is a duplicate of: Bug #1788727: upgrade crashing due to unsigned kernels. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	grub2 (Ubuntu)	New	Undecided	Unassigned

Bug Description

When installing from apt-get 4.18.0-041800rc1-generic, the UEFI Secureboot on yoga930 or 920 claims that the kernel is unsigned and can't install it.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64 2.02-2ubuntu8.3
Uname: Linux 4.18.0-041800rc1-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Fri Aug 24 09:13:54 2018
ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2018-06-16 (68 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-041800rc1-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=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 1.6.3ubuntu0.1
SourcePackage: grub2
Title: package grub-efi-amd64 2.02-2ubuntu8.3 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

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Revision history for this message

josh (freedman-joshua) wrote on 2018-08-24:

AptOrdering.txt Edit (951 bytes, text/plain; charset="utf-8")
Dependencies.txt Edit (1.8 KiB, text/plain; charset="utf-8")
Df.txt Edit (3.4 KiB, text/plain; charset="utf-8")
Dmesg.txt Edit (104.4 KiB, text/plain; charset="utf-8")
DpkgHistoryLog.txt Edit (12.3 KiB, text/plain; charset="utf-8")
DpkgTerminalLog.gz Edit (6.5 KiB, application/x-gzip)
EtcDefaultGrub.txt Edit (1.2 KiB, text/plain; charset="utf-8")
HookError_ubuntu.txt Edit (828 bytes, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.2 KiB, text/plain; charset="utf-8")

description:

updated

Revision history for this message

josh (freedman-joshua) wrote on 2018-08-26:

Cannot upgrade Secure Boot enforcement policy due to unsigned kernels │
│ │
│ Your system has UEFI Secure Boot enabled in firmware, and the following │
│ kernels present on your system are unsigned: │
│ │
│ 4.18.0-041800rc1-generic │
│ │
│ │
│ These kernels cannot be verified under Secure Boot. To ensure your │
│ system remains bootable, GRUB will not be upgraded on your disk until │
│ these kernels are removed or replaced with signed kernels.

Revision history for this message

josh (freedman-joshua) wrote on 2018-08-26:

#bionic #grub

Revision history for this message

Phillip Susi (psusi) wrote on 2018-08-29:

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1788727, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.