[Bug 2142049] [NEW] package grub-efi-amd64-signed 1.215+2.14-2ubuntu1 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32

[Ludwig V]

Public bug reported:

max at SkyNet-Terminal:~/Bin/chromebook-linux-audio$ sudo apt install grub-efi-amd64-signed
grub-efi-amd64-signed is already the newest version (1.215+2.14-2ubuntu1).
Summary:                    
  Upgrading: 0, Installing: 0, Removing: 0, Not Upgrading: 3
  1 not fully installed or removed.
  Space needed: 0 B / 54.7 GB available

Continue? [Y/n] y
Setting up grub-efi-amd64-signed (1.215+2.14-2ubuntu1) ...
mount: /var/lib/grub/esp: bad option; for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program.
       dmesg(1) may have more information after failed mount system call.
dpkg: error processing package grub-efi-amd64-signed (--configure):
 installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
dpkg: dependency problems prevent processing triggers for shim-signed:
 shim-signed depends on grub-efi-amd64-signed (>= 1.204~) | grub-efi-arm64-signed (>= 1.204~); however:
  Package grub-efi-amd64-signed is not configured yet.
  Package grub-efi-arm64-signed is not installed.

dpkg: error processing package shim-signed (--configure):
 dependency problems - leaving triggers unprocessed
Errors were encountered while processing:
 grub-efi-amd64-signed
 shim-signed
Error: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 26.04
Package: grub-efi-amd64-signed 1.215+2.14-2ubuntu1
ProcVersionSignature: Ubuntu 6.19.0-3.3-generic 6.19.0-rc6
Uname: Linux 6.19.0-3-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckMismatches: ./pool/restricted/n/nvidia-graphics-drivers-580/libnvidia-gl-580_580.95.05-0ubuntu4_amd64.deb
CasperMD5CheckResult: fail
Date: Tue Feb 17 15:10:52 2026
ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
InstallationDate: Installed on 2025-12-23 (57 days ago)
InstallationMedia: Ubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20251209)
Python3Details: /usr/bin/python3.13, Python 3.13.12, python3-minimal, 3.13.9-3
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.22.21ubuntu9
 apt  3.1.15
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.215+2.14-2ubuntu1 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub2-signed (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package resolute

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https://bugs.launchpad.net/bugs/2142049

Title:
  package grub-efi-amd64-signed 1.215+2.14-2ubuntu1 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 32

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  max at SkyNet-Terminal:~/Bin/chromebook-linux-audio$ sudo apt install grub-efi-amd64-signed
  grub-efi-amd64-signed is already the newest version (1.215+2.14-2ubuntu1).
  Summary:                    
    Upgrading: 0, Installing: 0, Removing: 0, Not Upgrading: 3
    1 not fully installed or removed.
    Space needed: 0 B / 54.7 GB available

  Continue? [Y/n] y
  Setting up grub-efi-amd64-signed (1.215+2.14-2ubuntu1) ...
  mount: /var/lib/grub/esp: bad option; for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program.
         dmesg(1) may have more information after failed mount system call.
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  dpkg: dependency problems prevent processing triggers for shim-signed:
   shim-signed depends on grub-efi-amd64-signed (>= 1.204~) | grub-efi-arm64-signed (>= 1.204~); however:
    Package grub-efi-amd64-signed is not configured yet.
    Package grub-efi-arm64-signed is not installed.

  dpkg: error processing package shim-signed (--configure):
   dependency problems - leaving triggers unprocessed
  Errors were encountered while processing:
   grub-efi-amd64-signed
   shim-signed
  Error: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 26.04
  Package: grub-efi-amd64-signed 1.215+2.14-2ubuntu1
  ProcVersionSignature: Ubuntu 6.19.0-3.3-generic 6.19.0-rc6
  Uname: Linux 6.19.0-3-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckMismatches: ./pool/restricted/n/nvidia-graphics-drivers-580/libnvidia-gl-580_580.95.05-0ubuntu4_amd64.deb
  CasperMD5CheckResult: fail
  Date: Tue Feb 17 15:10:52 2026
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2025-12-23 (57 days ago)
  InstallationMedia: Ubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20251209)
  Python3Details: /usr/bin/python3.13, Python 3.13.12, python3-minimal, 3.13.9-3
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.22.21ubuntu9
   apt  3.1.15
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.215+2.14-2ubuntu1 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  UpgradeStatus: No upgrade log present (probably fresh install)

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