[Bug 1874533] Re: package shim-signed 1.40.3+15+1533136590.3beb971-0ubuntu1 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1

[Pavel Petrovic]

Thank you for your prompt reaction. 
This happened only one time on the first boot.
Also, I had issues with the booting - I have installed on the SSD in UEFI as "something else" manually creating EFI partition 550 MB, swap 16GB and root partition 120GB, but when booting, 
the message 
"system bootorder not found initializing defaults creating boot entry boot0002 with label ubuntu for file \EFI\ubuntu\shimx64.efi" 
was appearing when selecting UEFI system to boot, and then freezing.
There were also two (sadly identically named) "ubuntu" entries in the bios setup F8 boot entries list, out of which one of them sometimes worked, but not consistently, then I have tried to fiddle with the bios settings a little bit, finally being able to put that one of the two ubuntu entries on top of the boot list (although this bios setup is a bit unusual, because unless something else has also changed, it has not noticed the change of order - maybe because both are called "ubuntu", I do not know why they are two), anyway, finally reaching a situation that the system consistently boots without having to go through boot menu and does not produce this bug anymore. I have reported it because it appeared after a fresh install and the report dialog showed up.

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Title:
  package shim-signed 1.40.3+15+1533136590.3beb971-0ubuntu1 failed to
  install/upgrade: installed shim-signed package post-installation
  script subprocess returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete
Status in ubiquity package in Ubuntu:
  Incomplete

Bug description:
  I do not know. Just a fresh install on this completely clean machine.
  After the very first boot, just clicking through the Welcome to Ubuntu
  dialog and this bug comes up. And btw, the only way to install Ubuntu
  on this machine was in "save graphics" mode. Otherwise, it freezes
  completely during setup. What a surprise. Nvidia has never worked
  properly on Linux! :(

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: shim-signed 1.40.3+15+1533136590.3beb971-0ubuntu1
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.11-0ubuntu27
  AptOrdering:
   shim:amd64: Install
   shim-signed:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  BootEFIContents:
   BOOTX64.CSV
   grub.cfg
   grubx64.efi
   mmx64.efi
   shimx64.efi
  CasperMD5CheckResult: skip
  Date: Thu Apr 23 22:00:52 2020
  EFITables:
   apr 23 22:10:12 mato kernel: efi: EFI v2.31 by American Megatrends
   apr 23 22:10:12 mato kernel: efi:  ACPI=0xba5f0000  ACPI 2.0=0xba5f0000  ESRT=0xbced7998  SMBIOS=0xf0570  MPS=0xfd650 
   apr 23 22:10:12 mato kernel: secureboot: Secure boot enabled
   apr 23 22:10:12 mato kernel: esrt: Reserving ESRT space from 0x00000000bced7998 to 0x00000000bced79d0.
   apr 23 22:10:12 mato kernel: secureboot: Secure boot enabled
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2020-04-23 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2
  SecureBoot: 6   0   0   0   1
  SourcePackage: shim-signed
  Title: package shim-signed 1.40.3+15+1533136590.3beb971-0ubuntu1 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 20.04
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash nomodeset ---
  InstallationDate: Installed on 2020-04-23 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  NonfreeKernelModules: nvidia_modeset nvidia wl
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Tags:  focal ubiquity-20.04.15
  Uname: Linux 5.4.0-26-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True

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