[Bug 759772] Re: grub2: btrfs: does not install core.img to boot block

Colin Watson cjwatson at canonical.com
Thu Dec 18 12:47:20 UTC 2014


** Changed in: grub2 (Ubuntu Natty)
     Assignee: Colin Watson (cjwatson) => (unassigned)

** Changed in: grub2 (Ubuntu)
     Assignee: Colin Watson (cjwatson) => (unassigned)

** Changed in: grub2 (Ubuntu Oneiric)
     Assignee: Colin Watson (cjwatson) => (unassigned)

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https://bugs.launchpad.net/bugs/759772

Title:
  grub2: btrfs: does not install core.img to boot block

Status in grub2 package in Ubuntu:
  Triaged
Status in grub2 source package in Natty:
  Won't Fix
Status in grub2 source package in Oneiric:
  Won't Fix

Bug description:
  Binary package hint: grub2

  btrfs reserves the first 64kiB for boot loaders as its CoW (Copy-On-
  Write) features mean that a file may change logical blocks.  This area
  may also be referred to as the "embed area", "embedded area" or
  "embedding area", depending on the context.  core.img must be
  installed to this area to ensure that other files may be read
  appropriately.

  This depends on (LP: #757446) which has already been fixed.  A patch
  resolving this has seen some testing already.

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