** Description changed:

  Observed Behavior:
- During the install of Yakkety or Xenial on a ppc64el system with an encrypted 
LVM setup, post-install fails to boot successfully. A black screen is shown 
after the grub prompt. The user does not even get to enter their encryption key.
+ During the install of Yakkety or Xenial on a ppc64el VM system with an 
encrypted LVM setup, post-install fails to boot successfully. A black screen is 
shown after the grub prompt. The user does not even get to enter their 
encryption key.
  
  Expected Behavior:
  I should received a prompt to enter my encryption key and the system should 
boot up successfully.
  
  Steps to Reproduce:
- 1. Obtain a Xenial [1] or Yakkety [2] server ppc64el ISO
+ 1. Obtain a Xenial [1][3] or Yakkety [2] server ppc64el ISO
  2. Start install, select "Guided - Use entire disk and set up encrypted LVM" 
otherwise choose defaults.
  3. Post-install the system will start to boot and you will get a black 
screen. Text is printed in clear text, changing to other consoles does not help 
or provide any additional details.
  4. If you reset and boot into recovery mode, which will ask for your 
encryption key and then boot into recovery mode successfully. Once there, you 
can continue to boot the system will boot up successfully as well.
  
  [1] 
http://cdimage.ubuntu.com/releases/16.04.1/release/ubuntu-16.04.1-server-ppc64el.iso
  [2] 
http://cdimage.ubuntu.com/ubuntu-server/daily/20161012/yakkety-server-ppc64el.iso
- --- 
+ [3] 
http://cdimage.ubuntu.com/releases/16.04.1/release/ubuntu-16.04-server-ppc64el.iso
+ 
+ ---
+ [edit 1] - added original 16.04 ISO as also failing and clarified this is on 
a VM system, not baremetal.
+ 
+ ---
  .var.log.platform: Error: [Errno 13] Permission denied: '/var/log/platform'
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: ppc64el
  DistroRelease: Ubuntu 16.10
  InstallationDate: Installed on 2016-10-12 (0 days ago)
  InstallationMedia: Ubuntu-Server 16.10 "Yakkety Yak" - Release ppc64el 
(20161012)
  Package: tasksel 3.34ubuntu3
  PackageArchitecture: all
  ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcLoadAvg: 0.13 0.05 0.01 1/141 4544
  ProcLocks:
-  1: FLOCK  ADVISORY  WRITE 1929 00:13:511 0 EOF
-  2: POSIX  ADVISORY  WRITE 1155 00:13:332 0 EOF
+  1: FLOCK  ADVISORY  WRITE 1929 00:13:511 0 EOF
+  2: POSIX  ADVISORY  WRITE 1155 00:13:332 0 EOF
  ProcSwaps:
-  Filename                             Type            Size    Used    Priority
-  /dev/dm-2                               partition    298944  0       -1
+  Filename                             Type            Size    Used    Priority
+  /dev/dm-2                               partition    298944  0       -1
  ProcVersion: Linux version 4.8.0-22-generic (buildd@bos01-ppc64el-027) (gcc 
version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #24-Ubuntu SMP Sat Oct 8 
09:14:41 UTC 2016
  ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
  Tags:  yakkety
  Uname: Linux 4.8.0-22-generic ppc64le
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  cpu_cores: Number of cores present = 4
  cpu_coreson: Number of cores online = 4
  cpu_smt: Error: command ['ppc64_cpu', '--smt'] failed with exit code 255: 
Machine is not SMT capable

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https://bugs.launchpad.net/bugs/1632790

Title:
  ppc64el encrypted LVM fails to boot

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