[Bug 1792497] Re: package shim (not installed) failed to install/upgrade: subprocess dpkg-deb --control returned error exit status 2

[Steve Langasek]

It's correct that the shim binary that gets published to trusty is built
on bionic; we only have one shim binary that's current at any given time
(each must be signed separately by microsoft, we don't have separate
binaries per series).  But obviously the .deb published to trusty needs
to be installable with trusty dpkg.

I don't understand how this SRU could ever have passed verification if
the .deb isn't installable with the trusty dpkg, however.

** Changed in: shim (Ubuntu)
     Assignee: (unassigned) => Mathieu Trudel-Lapierre (cyphermox)

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Title:
  package shim (not installed) failed to install/upgrade: subprocess
  dpkg-deb --control returned error exit status 2

Status in shim package in Ubuntu:
  Triaged

Bug description:
  This happened just after installing ubuntu 14.04.5 LTS along side with windows 10.
  The installation was complete and no login loop issue was there.

  Moreover , the system stated an error due to shim not being installed.
  The two screen monitor is not working and the other monitor is black..

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: shim (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-135.161~14.04.1-generic 4.4.140
  Uname: Linux 4.4.0-135-generic x86_64
  .proc.sys.kernel.moksbstate.disabled: 0
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  BootEFIContents:
   grub.cfg
   grubx64.efi
   mmx64.efi
   shimx64.efi
  Date: Fri Sep 14 11:30:55 2018
  EFITables:
   Sep 14 11:32:42 plp-ROS kernel: [    0.000000] efi: EFI v2.50 by American Megatrends
   Sep 14 11:32:42 plp-ROS kernel: [    0.000000] efi:  ACPI 2.0=0x8ea21000  ACPI=0x8ea21000  SMBIOS=0x8f644000  SMBIOS 3.0=0x8f643000  ESRT=0x8a498698 
   Sep 14 11:32:42 plp-ROS kernel: [    0.000000] esrt: Reserving ESRT space from 0x000000008a498698 to 0x000000008a4986f8.
  ErrorMessage: subprocess dpkg-deb --control returned error exit status 2
  InstallationDate: Installed on 2018-09-14 (0 days ago)
  InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.7
   apt  1.0.1ubuntu2.14
  SecureBoot: 6   0   0   0   0
  SourcePackage: shim
  Title: package shim (not installed) failed to install/upgrade: subprocess dpkg-deb --control returned error exit status 2
  UpgradeStatus: No upgrade log present (probably fresh install)

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