[Bug 1696741] Re: package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

The error in your log is:

Setting up shim-signed (1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1) ...
Installing for x86_64-efi platform.
efibootmgr: Could not delete Boot0001: Invalid argument
efibootmgr: Could not delete boot variable: Invalid argument
** Warning ** : Boot0001 has same label ubuntu
efibootmgr: Could not set variable Boot0002: No such file or directory
efibootmgr: Could not prepare boot variable: No such file or directory
Installation finished. No error reported.
Running in non-interactive mode, doing nothing.
dpkg: error processing package shim-signed (--configure):
 subprocess installed post-installation script returned error exit status 1

You clearly have a UEFI system, but for some reason the UEFI variables
cannot be modified from the OS.  This looks like a firmware problem to
me.  Do you still have problems applying updates if you reboot your
system and try again?

** Changed in: shim-signed (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1696741

Title:
  package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  failed to install/upgrade: subprocess installed post-installation
  script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  don't know

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.8.0-54.57~16.04.1-generic 4.8.17
  Uname: Linux 4.8.0-54-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  .sys.firmware.efi.efivars.MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: '/sys/firmware/efi/efivars/MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23'
  .sys.firmware.efi.efivars.SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c: 

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