[Bug 2006515] Re: package shim-signed 1.54+15.7-0ubuntu1 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 2

[Alper]

Bug confirmed and here is terminal output:
root at A:~# apt install shim-signed
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
  shim-signed
0 upgraded, 1 newly installed, 0 to remove and 3 not upgraded.
Need to get 0 B/561 kB of archives.
After this operation, 4838 kB of additional disk space will be used.
Preconfiguring packages ...
Selecting previously unselected package shim-signed.
dpkg: warning: files list file for package 'grub-efi-arm64' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'grub-efi' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'grub-efi-arm64-signed' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'grub2-common' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'grub-common' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'grub-efi-arm64-bin' missing; assuming package has no files currently installed
(Reading database ... 279455 files and directories currently installed.)
Preparing to unpack .../shim-signed_1.54+15.7-0ubuntu1_arm64.deb ...
Unpacking shim-signed (1.54+15.7-0ubuntu1) ...
Setting up shim-signed (1.54+15.7-0ubuntu1) ...
update-alternatives: error: alternative link /usr/lib/shim/shimaa64.efi.signed is already managed by shimx64.efi.signed
dpkg: error processing package shim-signed (--configure):
 installed shim-signed package post-installation script subprocess returned error exit status 2
Errors were encountered while processing:
 shim-signed
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)
root at A:~#

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https://bugs.launchpad.net/bugs/2006515

Title:
  package shim-signed 1.54+15.7-0ubuntu1 failed to install/upgrade:
  installed shim-signed package post-installation script subprocess
  returned error exit status 2

Status in shim-signed package in Ubuntu:
  Confirmed

Bug description:
  N/A

  ProblemType: Package
  DistroRelease: Ubuntu 22.10
  Package: shim-signed 1.54+15.7-0ubuntu1
  ProcVersionSignature: Ubuntu 5.19.0-31.32-generic 5.19.17
  Uname: Linux 5.19.0-31-generic aarch64
  NonfreeKernelModules: prl_fs_freeze prl_fs prl_tg
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.23.1-0ubuntu3
  Architecture: arm64
  BootEFIContents:
   BOOTAA64.CSV
   grub.cfg
   grubaa64.efi
   mmaa64.efi
   shimaa64.efi
  CasperMD5CheckResult: pass
  Date: Wed Feb  8 09:11:39 2023
  DuplicateSignature:
   package:shim-signed:1.54+15.7-0ubuntu1
   Installing new version of config file /etc/kernel/postinst.d/zz-shim ...
   update-alternatives: error: alternative link /usr/lib/shim/shimaa64.efi.signed is already managed by shimx64.efi.signed
   dpkg: error processing package shim-signed (--configure):
    installed shim-signed package post-installation script subprocess returned error exit status 2
  EFITables:
   Feb 08 09:10:24 ubuntu-linux-22-04-desktop kernel: efi: EFI v2.70 by EDK II
   Feb 08 09:10:24 ubuntu-linux-22-04-desktop kernel: efi: SMBIOS 3.0=0xbf7f0000 ACPI 2.0=0xbc120000 MEMATTR=0xbe1a5a98 MOKvar=0xbbee0000 MEMRESERVE=0xbbef6298 
   Feb 08 09:10:24 ubuntu-linux-22-04-desktop kernel: secureboot: Secure boot disabled
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 2
  InstallationDate: Installed on 2022-07-07 (215 days ago)
  InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release arm64 (20220421)
  Python3Details: /usr/bin/python3.10, Python 3.10.7, python3-minimal, 3.10.6-1
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.21.9ubuntu1
   apt  2.5.3ubuntu0.1
  SecureBoot: 6   0   0   0   0
  SourcePackage: shim-signed
  Title: package shim-signed 1.54+15.7-0ubuntu1 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 2
  UpgradeStatus: Upgraded to kinetic on 2023-01-30 (8 days ago)

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