[Bug 1865917] Re: Failed to install grub. It's a fatal error. I guess it's my fault. Nothing to do with installation process.

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub-installer (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1865917

Title:
  Failed to install grub. It's a fatal error. I guess it's my fault.
  Nothing to do with installation process.

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  I restarted in the initial screen, while it's showing blank screen and
  a blinking cursor for few seconds, may be while it's still starting to
  boot the USB drive.

  Failed to install grub. It's a fatal error. I guess it's my fault.
  Nothing to do with installation. I am installing it through a USB
  drive. In the BIOS I gave the boot target as the USB drive. On
  restart, it showed a blank screen with just a blinking cursor for few
  second. I hastily thought that the USB boot process would pick up next
  time and pressed Ctrl+Alt+Del. It booted to the installation process.
  But it showed just my hard disk drive /dev/sda not my partitions.
  There were windows, 2 logical drives, swap, boot along side 16.04 and
  18.04 Ubuntu. Then I recovered the partitions using TestDisk on live
  USB drive. It's was then I realized that I messed the boot process
  while it's dealing with EFI perhaps. I might be wrong. I knew then
  that this installation won't be smooth, but I was happy that my
  existing files are safe. Still trying to figure out what I have to do
  to boot to hard drive successfully. This is my silly doing. This bug
  is unusual. Hope you won't waste precious development time on this
  bug. Thank you.

  Also I gave /boot to a separate drive (500MB) and selected that drive
  to install boot manager in. May be this is the culprit, or It
  shouldn't be done this way. I'll try not assigning separate drive to
  /boot and instead leave it to be default. I attached the partition
  table I used.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubiquity 19.10.21
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CasperVersion: 1.427
  Date: Wed Mar  4 00:06:24 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed quiet splash ---
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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