[Bug 2090929] Re: package grub-pc 2.12-1ubuntu7 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1

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** Tags removed: need-duplicate-check

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https://bugs.launchpad.net/bugs/2090929

Title:
  package grub-pc 2.12-1ubuntu7 failed to install/upgrade: installed
  grub-pc package post-installation script subprocess returned error
  exit status 1

Status in grub2 package in Ubuntu:
  New

Bug description:
  When a dist upgrade I get error

  Setting up grub-pc (2.12-1ubuntu7) ...
  Installing for i386-pc platform.
  mdadm: /dev/md does not appear to be an md device
  grub-install: error: ioctl RAID_VERSION error: Inappropriate ioctl for device.
  dpkg: error processing package grub-pc (--configure):
   installed grub-pc package post-installation script subprocess returned error exit status 1
  Errors were encountered while processing:
   grub-pc

  It use RAID devices.

  ProblemType: Package
  DistroRelease: Ubuntu 24.04
  Package: grub-pc 2.12-1ubuntu7
  ProcVersionSignature: Ubuntu 5.15.0-126.136-generic 5.15.167
  Uname: Linux 5.15.0-126-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CloudArchitecture: x86_64
  CloudBuildName: server
  CloudID: configdrive
  CloudName: configdrive
  CloudPlatform: configdrive
  CloudSerial: 20240227
  CloudSubPlatform: config-disk (/dev/sda5)
  Date: Tue Dec  3 13:36:33 2024
  ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-126-generic root=UUID=78d2f976-d3c1-49d5-931e-0b96596f23cf ro nomodeset iommu=pt console=tty0
  Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal, 3.12.3-0ubuntu2
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.22.6ubuntu6.1
   apt  2.7.14build2
  SourcePackage: grub2
  Title: package grub-pc 2.12-1ubuntu7 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to noble on 2024-12-03 (0 days ago)
  mtime.conffile..etc.init.d.apport: 2024-07-22T16:59:07

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