[Bug 1704510] Re: Installing GRUB EFI failed on USB3 stick.

[apt-ghetto]

The custom mode is for experienced users. And experienced users should
know the basics about booting an OS and partitioning.

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

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https://bugs.launchpad.net/bugs/1704510

Title:
  Installing GRUB EFI failed on USB3 stick.

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  Showed error message at the end of install.

  LUbuntu 17.04

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: ubiquity 17.04.9
  ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8
  Uname: Linux 4.10.0-19-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.380
  Date: Fri Jul 14 19:16:25 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/lubuntu.seed boot=casper iommu=soft ---
  LiveMediaBuild: Lubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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