[Bug 1869558] Re: after the update of "grub-efi-amd64-signed 1.93.16+2.02-2ubuntu8.15" ubuntu doesn't boot

[tormec]

@dabfus: I mean this option https://www.dell.com/support/article/it-
it/sln306176/xps-13-9365-slow-post-and-poor-performance-in-bios?lang=en

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Title:
  after the update of "grub-efi-amd64-signed 1.93.16+2.02-2ubuntu8.15"
  ubuntu doesn't boot

Status in grub2-signed package in Ubuntu:
  Confirmed

Bug description:
  After the installation of the new version of this package, the system
  doesn't boot. I have to enter in "Recovery Mode".

  $ lsb_release -rd
  Description:	Ubuntu 18.04.4 LTS
  Release:	18.04

  $ apt-cache policy grub-efi-amd64-signed
  grub-efi-amd64-signed:
    Installed: 1.93.16+2.02-2ubuntu8.15
    Candidate: 1.93.16+2.02-2ubuntu8.15
    Version table:
   *** 1.93.16+2.02-2ubuntu8.15 500
          500 http://it.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1.93+2.02-2ubuntu8 500
          500 http://it.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

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