[Bug 1030223] Re: grub fails to installon dev/mapper

[Eve Lee]

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https://bugs.launchpad.net/bugs/1030223

Title:
  grub fails to installon dev/mapper

Status in “grub-installer” package in Ubuntu:
  New

Bug description:
  Hello,

  I'm trying to install Ubuntu 12.04 64bit on Sony Vaio Z131A2JL alongside Windows 7.
  I've created a partition of free space for Ubuntu on Windows first then created 4 partitions (/boot, /, /home, and swap)
  using the Ubuntu installer on /dev/mapper (I saw that tutorials mention /dev/sda but this was not in the option for me).

  The installer then failed with an error message

  "Unable to install GRUB in /dev/mapper. Executing grub-install
  /dev/mapper failed. This is a fatal error."

  I've tried installing GRUB on the /boot partition specifically but
  this failed as well.

  Please let me know what I can do to have this fixed.

  Best Regards,

  E.L.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.16
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  CasperVersion: 1.315
  Date: Sat Jul 28 01:16:21 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   LANGUAGE=en_CA.UTF-8
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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