[Bug 736743] Re: environment block not implemented on btrfs

[Lars Stockmann]

Just create a small ext4 partition and have it mounted as boot. The rest
can stay btrfs. I have done this and it works as expected.

This problem will never be fixed as long as everyone frames the others
for this. You would have to get the grub people talk to the btrfs
people.

Regarding Ubuntu, it should warn you at install about having boot on a
btrfs partition.

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https://bugs.launchpad.net/bugs/736743

Title:
  environment block not implemented on btrfs

Status in grub:
  New
Status in grub2 package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: grub2

  I just installed natty alpha 3 on a samsung NC10 netbook. When booting, immediately after the grub screen I see the error message:
  'sparse file not allowed. 
  press any key to continue'
  after pressing any key the boot continues as normal.

  This is with btrfs on / and a separate ext4 partition for /home. I had
  created the btrfs partition manually (i.e. in a shell outside
  ubiquity) simply running mkfs.btrfs /dev/sda1 and it was not
  reformatted in ubiquity.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-4ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
  Uname: Linux 2.6.38-6-generic i686
  Architecture: i386
  Date: Thu Mar 17 11:14:52 2011
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_US.UTF-8
   LC_MESSAGES=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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