[Bug 1462676] Re: grub fails to install. x86_64-efi system Windows 8.1 primary

[d3bug]

No... you are not listening.  The reason it failed is because it tried
to install to /dev/sda instead of /dev/sda1.  Aparently in an EFI system
that does not work.  If my EFI partition was corrupt, I would not have
been able to boot into Windows either.  The moment I realized what it
was doing, I pointed it to /dev/sda1 specifically (which it should have
known to do as it was running on an EFI system) then it worked.  I don't
know how many other ways to explain this.

That is why I wrote that perhaps, the writers of the installer script
should take into account an EFI system and maybe have it look for the
EFI system partition instead of always defaulting to the MBR instead.
That was just a friendly suggestion.

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https://bugs.launchpad.net/bugs/1462676

Title:
  grub fails to install.  x86_64-efi system  Windows 8.1 primary

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  Ubuntu 15.04 x86_64

  Windows 8.1 is my primary OS.  I tried to install Ubuntu along side
  Windows.  I created 2 partitions (swap and / [ext4]).  Install goes
  flawlessly till it gets to grub.  Grub tries to install and fails.  No
  error #, etc.  The system is a DELL  with: AMD A10-5745M APU with
  Radeon(tm) HD Graphics (Gallium 0.4 on AMD ARUBA).

  DELL Model #: Inspiron M731R (5735, Late 2013)
  RAM: 8gb (6.9 usable)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.25
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.360
  Date: Sat Jun  6 16:22:32 2015
  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 quiet splash ---
  LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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