[Bug 988848] [NEW] Installing 12.04 with / on a btrfs partition crashes the GRUB setup

[Samuel Bancal]

Public bug reported:

I tried to Install 12.04 next to a Win7.
partitions are :
   Device Boot      Start         End      Blocks   Id  System
/dev/sda1              63      498014      248976    6  FAT16
/dev/sda2   *      499712     2035711      768000    7  HPFS/NTFS/exFAT
/dev/sda3         2035712   245216159   121590224    7  HPFS/NTFS/exFAT
/dev/sda4       245217278   488396799   121589761    5  Extended
/dev/sda5       245217280   486443007   120612864   83  Linux
/dev/sda6       486445056   488396799      975872   82  Linux swap / Solaris

/dev/sda5 : btrfs -> /
/dev/sda6 : swap

Everything goes right during installation except the final step when I
get the message that GRUB could not be installed on disk /dev/sda.

$ lsb_release -rd
Description:	Ubuntu 12.04 LTS
Release:	12.04

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: Thu Apr 26 14:47:15 2012
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcEnviron:
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise ubiquity-2.10.16

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https://bugs.launchpad.net/bugs/988848

Title:
  Installing 12.04 with / on a btrfs partition crashes the GRUB setup

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

Bug description:
  I tried to Install 12.04 next to a Win7.
  partitions are :
     Device Boot      Start         End      Blocks   Id  System
  /dev/sda1              63      498014      248976    6  FAT16
  /dev/sda2   *      499712     2035711      768000    7  HPFS/NTFS/exFAT
  /dev/sda3         2035712   245216159   121590224    7  HPFS/NTFS/exFAT
  /dev/sda4       245217278   488396799   121589761    5  Extended
  /dev/sda5       245217280   486443007   120612864   83  Linux
  /dev/sda6       486445056   488396799      975872   82  Linux swap / Solaris

  /dev/sda5 : btrfs -> /
  /dev/sda6 : swap

  Everything goes right during installation except the final step when I
  get the message that GRUB could not be installed on disk /dev/sda.

  $ lsb_release -rd
  Description:	Ubuntu 12.04 LTS
  Release:	12.04

  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: Thu Apr 26 14:47:15 2012
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   TERM=unknown
   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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