[Bug 1362884] Re: Only one device of multidevice btrfs is decrypted in cryptroot

[Ubuntu Foundations Team Bug Bot]

The attachment "btrfs.patch" seems to be a patch.  If it isn't, please
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** Tags added: patch

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https://bugs.launchpad.net/bugs/1362884

Title:
  Only one device of multidevice btrfs is decrypted in cryptroot

Status in “cryptsetup” package in Ubuntu:
  New

Bug description:
  Setup
  ---

  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04
  cryptsetup:
    Installed: 2:1.6.1-1ubuntu1
    Candidate: 2:1.6.1-1ubuntu1
    Version table:
   *** 2:1.6.1-1ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

  The setup is 2 LUKS encrypted partitions on top of which is btrfs
  setup as RAID 1. The problem is that only one device is decrypted in
  the generated initramfs image.

  Reason for failure
  ---
  I debugged the problem myself and the reason is:
  - there is no LVM-like code in the initramfs hook to include others as well

  Solution
  ---
  The solution is to make the hooks aware of other btrfs devices.

  Workaround
  ---
  Manually specify other devices as resume devices.

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