[Bug 813259] Re: btrfs cannot boot if / and /home are separate

[Eric Appleman]

Might be relevant

"When installing Ubuntu in one large btrfs-Partition without an extra
boot-partition, take care to keep about 1 Mib space free at the
beginning of the disk. This is possible using the partition manager in
the Ubuntu installer. When there is not this space, the installer fails
at the end when trying to install Grub! "

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https://bugs.launchpad.net/bugs/813259

Title:
  btrfs cannot boot if / and /home are separate

Status in “btrfs-tools” package in Ubuntu:
  Confirmed
Status in “grub2” package in Ubuntu:
  Confirmed
Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  When installing Ubuntu to a btrfs-formatted / and a /home of any
  formatting, GRUB will not install properly to /dev/sdx or permit
  booting.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: btrfs-tools (not installed)
  ProcVersionSignature: Ubuntu 3.0.0-5.6-genusername 3.0.0-rc7
  Uname: Linux 3.0.0-5-generic i686
  Architecture: i386
  Date: Tue Jul 19 21:49:27 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110717)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   LC_MESSAGES=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: btrfs-tools
  UpgradeStatus: No upgrade log present (probably fresh install)

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