[Bug 727535] Re: grub on btrfs with compress=lzo fails to boot

[wilbur.harvey]

I have a similar problem.
At the grub2 prompt, I can boot the system using the following commands
set root=(hd0,msdos1)
linux /@/boot/vmlinuz-2.6.38-8-generic root=/dev/sda1 ro rootflags=subvol=@
initrd /@/boot/initrd.img-2.6.38-8-generic
boot

But I get a message saying that it cannot read the Linux header if I try
the -9 or -10 kernel.

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https://bugs.launchpad.net/bugs/727535

Title:
  grub on btrfs with compress=lzo fails to boot

Status in “grub2” package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: grub2

  add compress=lzo to the fstab mount argument for / or which ever btrfs
  partition grub is installed on. When rebooting grub will, harmlessly
  fail saying compression 0x02 is unsupported and plymouth will fail.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub2 (not installed)
  ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
  Uname: Linux 2.6.38-5-generic x86_64
  Architecture: amd64
  Date: Wed Mar  2 02:27:11 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110226)
  ProcEnviron:
   LANGUAGE=da_DK:en
   LANG=da_DK.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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