[Bug 1771675] [NEW] Ubuntu18.04 fail to install grub and destroy existing grub

[aimwin]

Public bug reported:

It is similar almost the same.
But I decide to file a separate report of bugs from

https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1767703

Because it destroy existing grub that was not reported there.
And this time I hope the guru will see what informations were correct from my machine.

Lubuntu 18.04, Ubuntu 18.04 destroy my existing ubuntu 16.04 installed grub.
I did explain how I make my computer boot again in askubuntu link

https://askubuntu.com/questions/1028921/the-grub-efi-amd64-signed-
package-failed-to-install-into-target-during-ins/1030317#1030317

Best Regards

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CasperVersion: 1.394
Date: Thu May 17 06:23:59 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubiquity-18.04.14 ubuntu

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https://bugs.launchpad.net/bugs/1771675

Title:
  Ubuntu18.04 fail to install grub and destroy existing grub

Status in grub-installer package in Ubuntu:
  New

Bug description:
  It is similar almost the same.
  But I decide to file a separate report of bugs from

  https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1767703

  Because it destroy existing grub that was not reported there.
  And this time I hope the guru will see what informations were correct from my machine.

  Lubuntu 18.04, Ubuntu 18.04 destroy my existing ubuntu 16.04 installed grub.
  I did explain how I make my computer boot again in askubuntu link

  https://askubuntu.com/questions/1028921/the-grub-efi-amd64-signed-
  package-failed-to-install-into-target-during-ins/1030317#1030317

  Best Regards

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.394
  Date: Thu May 17 06:23:59 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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