[Bug 1991594] Re: failure in post-install of grub-efi-amd64-signed during do-release-upgrade

[Dan Bungert]

I reproduced an upgrade failure without trying too hard.

Output from Patrick:
Setting up grub-efi-amd64-signed (1.180+2.06-2ubuntu7) ...
Installing grub to /boot/efi.
Installing for x86_64-efi platform.
Installation finished. No error reported.
double free or corruption (out)
Aborted


My error was slightly different:
mount: /var/lib/grub/esp: special device /dev/vdb1 does not exist.
Factual, but why is it trying anything on vdb in the first place?


Steps to reproduce
* kvm install, single drive, using UEFI of 20.04.5 live-server
* do-release-upgrade

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https://bugs.launchpad.net/bugs/1991594

Title:
  failure in post-install of grub-efi-amd64-signed during do-release-
  upgrade

Status in grub2-signed package in Ubuntu:
  Triaged

Bug description:
  Error code 134 when trying to upgrade from 20.04LTS to 22.04LTS

  ProblemType: Package
  DistroRelease: Ubuntu 22.04
  Package: grub-efi-amd64-signed 1.180+2.06-2ubuntu7
  ProcVersionSignature: Ubuntu 5.4.0-126.142-generic 5.4.203
  Uname: Linux 5.4.0-126-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Tue Oct  4 11:06:14 2022
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 134
  InstallationDate: Installed on 2019-04-03 (1279 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  Python3Details: /usr/bin/python3.10, Python 3.10.6, python3-minimal, 3.10.6-1~22.04
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.21.1ubuntu2.1
   apt  2.4.8
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.180+2.06-2ubuntu7 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 134
  UpgradeStatus: Upgraded to jammy on 2022-10-04 (0 days ago)

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