[Bug 1850978] Re: Signed version of grub will result in failure of boot without a separated non-encrypted boot partition

[Simon Quigley]

** Changed in: ubiquity (Ubuntu)
       Status: New => Won't Fix

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Title:
  Signed version of grub will result in failure of boot without a
  separated non-encrypted boot partition

Status in grub2-signed package in Ubuntu:
  New
Status in ubiquity package in Ubuntu:
  Won't Fix

Bug description:
  Hi

  I use Ubuntu 18.04.3
  Further than the 1727956 bug, ubiquity installs the signed version of grub. If I want to install Ubuntu with just two partitions (ESP and a luks container which includes the root partition) and don't create any separated boot partition (neither encrypted nor non-encrypted), the signed version of grub will result in a non bootable system and is not compatible with this config. I checked all needed configs (crypttab, luks module in /etc/default/grub) and installed non-signed version of grub which is compatible with this config and working correctly. Also tested on other Linux distros. 

  Here the problem is the signed version of grub. For more info on this
  scenario, you can take a look at this page which approves this
  problem.

  http://www.chinnodog.com/ubuntu/ubuntu-fde-boot/

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