[Bug 1492889] [NEW] installing on existing luks/btrfs doesn't ask for passphrase at boot

[fugounashi]

Public bug reported:

Ubuntu 14.04.3 LTS

after manual cryptsetup luksOpen (as per 1066480)  I selected the
existing btrfs as root (having renamed the existing root and home
subvolumes)

installation proceeds and installs to new root and home subvolumes however the system is not correctly configured to boot:  
  
  no dm-crypt module or cryptsetup in initramfs

  no prompt for passphrase at boot
  
thanks!

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "/var/log/installer/syslog"
   https://bugs.launchpad.net/bugs/1492889/+attachment/4458553/+files/syslog

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https://bugs.launchpad.net/bugs/1492889

Title:
  installing on existing luks/btrfs doesn't ask for passphrase at boot

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubuntu 14.04.3 LTS

  after manual cryptsetup luksOpen (as per 1066480)  I selected the
  existing btrfs as root (having renamed the existing root and home
  subvolumes)

  installation proceeds and installs to new root and home subvolumes however the system is not correctly configured to boot:  
    
    no dm-crypt module or cryptsetup in initramfs

    no prompt for passphrase at boot
    
  thanks!

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