[Bug 1523194] Re: Can't install /home into separate LUKS encrypted volume

[Pierre Equoy]

** Tags added: ce-qa-concern disco

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Title:
  Can't install /home into separate LUKS encrypted volume

Status in partman-crypto package in Ubuntu:
  Triaged

Bug description:
  For various reasons, I would prefer not to use the default full disk
  encryption method (which relies on LVM) when installing Ubuntu.
  Rather, I would prefer to install directly into multiple LUKS-
  encrypted volumes.

  Using the “something else” option presented during installation of
  15.10 and 16.04 (onto a non-UEFI system with a gpt formatted drive), I
  have been able to create a LUKS-encrypted volume on sda2, and I have
  been able to install boot (/boot) into non-encrypted sda1, and root
  (/) into LUKS-encrypted sda2.   All is good in that simple situation.
  (To get this to work, I skip creating a swap partition, and then
  create a swap file in sda2 after installation has completed.)

  However, when using the “something else” option presented during
  installation of 15.10 and 16.04, after creating LUKS-encrypted volumes
  on sda2 and sda3, I have not been able to install boot (/boot) into
  non-encrypted sda1, root (/) into LUKS-encrypted sda2, and home
  (/home) into into LUKS-encrypted sda3.  Rather, although I am able to
  create the LUKS-encrypted volumes, the installer hangs during
  installation when the following is displayed:

  “Creating ext4 system for /home in partition #1 of Encrypted volume
  (sda3_crypt)...”

  For what its worth, I am able to accomplish the above installation
  (/home on LUKS-encrypted sda3) using the net-installer for 15.10.
  Also, I was able to accomplish the above installation (/home on LUKS-
  encrypted sda3) using the graphical installer for 15.04.  So it seems
  that some sort of regression has crept into the graphical installer
  for 15.10 and 16.04.

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