[Bug 1855552] [NEW] Grub2 would not install with other versions present

[Mike Oser]

Public bug reported:

I expected that Grub wouild write another copy and supercede the
existing version.  I have OpenSuse and Deepin on the same machine along
with Windows 10 so I need grub to update.  Can I modify the existing to
pull in Ubuntu?  If so is it a simple procedure?  Is the data structure
that has been written to this point sufficient to start the kernel?

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.6
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CasperVersion: 1.394
Date: Sat Dec  7 14:37:17 2019
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
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-18.04.14.6 ubuntu

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https://bugs.launchpad.net/bugs/1855552

Title:
  Grub2 would not install with other versions present

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I expected that Grub wouild write another copy and supercede the
  existing version.  I have OpenSuse and Deepin on the same machine
  along with Windows 10 so I need grub to update.  Can I modify the
  existing to pull in Ubuntu?  If so is it a simple procedure?  Is the
  data structure that has been written to this point sufficient to start
  the kernel?

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.6
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CasperVersion: 1.394
  Date: Sat Dec  7 14:37:17 2019
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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