[Bug 1592431] Re: Grub instalation error when updating ubuntu to 16.04

[Phillip Susi]

Your disk is currently partitioned to boot in bios mode, but you booted
the 16.04 installer in EFI mode. A warning message prompted you that
this could be a problem and recommended performing a bios mode install
instead, but you chose not to. You either need to perform the bios mode
install, or partition the disk using GPT and set up an EFI system
partition to install in EFI mode. This will be done for you if you
choose the "use entire disk" guided install option.

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

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Title:
  Grub instalation error when updating ubuntu to 16.04

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  I tried to update my Ubuntu from 14.04 to 16.04 from a pendrive with the latest OS, selecting the option "update to 16.04".
  It was all good until an error installing the grub. I solved this problem in a fresh installation creating a separated partition /boot fat32 when partitioning the HD.
  But this time I don't want to loose my data and installed software.
  How should I proceed?

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.376
  Date: Tue Jun 14 11:19:00 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   LANGUAGE=pt_BR.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=pt_BR.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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