[Bug 757631] Re: grub-probe fails on lvm-encrypted install with btrfs

[Colin Watson]

I think my addition of the partman-btrfs task here was a mistake.  The
grub2 fix should be enough, and partman-crypto is already supposed to
warn about the case where /boot is encrypted as well.

** Changed in: partman-btrfs (Ubuntu Oneiric)
       Status: Triaged => Invalid

** Changed in: partman-btrfs (Ubuntu Natty)
       Status: Triaged => Invalid

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https://bugs.launchpad.net/bugs/757631

Title:
  grub-probe fails on lvm-encrypted install with btrfs

Status in Release Notes for Ubuntu:
  Fix Released
Status in “grub2” package in Ubuntu:
  Fix Released
Status in “partman-btrfs” package in Ubuntu:
  Invalid
Status in “grub2” source package in Natty:
  Won't Fix
Status in “partman-btrfs” source package in Natty:
  Invalid
Status in “grub2” source package in Oneiric:
  Fix Released
Status in “partman-btrfs” source package in Oneiric:
  Invalid

Bug description:
  Binary package hint: grub2

  Install was done using the "Setup encrypted LVM" option, simply
  changing ext4->btrfs

  Grub fails to add the "rootflags=subvol=@" to the kernel boot options,
  making the system stop at initramfs on boot, unless added manually, at
  which point it seems to boot fine.

  When booted grub-probe seems not to work, which I assume is the core issue:
  arand at nnb:~$ sudo grub-probe /
  grub-probe: error: no such disk.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-11ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Mon Apr 11 15:44:50 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110410)
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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