Public bug reported:

Just got the nvidia driver update from 361 to 367. Upon reboot, the boot
splash (plymouth?) with the password prompt for the encrypted root is
missing.

The screen flashes dark purple and the switches to black with a blinking
cursor echoing anything typed. Ctrl-alt-del reboots. Booting with kernel
options "quiet splash" removed results in a text-mode boot process where
the password prompt is present, proceeding normally.

Wasn't sure if this was plymouth or nvidia issue, I'm guessing nvidia
because that's what upgraded and broke functionality.

Tried redoing update-grub and update-initramfs, didn't help. Found I had
both nvidia-361 and nvidia-367 installed (why didn't -361 uninstall?),
but manually removing -361 (and redoing initramfs just in case) didn't
change anything.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nvidia-367 367.57-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl nvidia_uvm nvidia_drm 
nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Nov  3 17:45:14 2016
InstallationDate: Installed on 2016-07-23 (103 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: nvidia-graphics-drivers-367
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: nvidia-graphics-drivers-367 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-367 in Ubuntu.
https://bugs.launchpad.net/bugs/1638983

Title:
  Boot splash with luks password prompt broken after nvidia upgrade to
  367

Status in nvidia-graphics-drivers-367 package in Ubuntu:
  New

Bug description:
  Just got the nvidia driver update from 361 to 367. Upon reboot, the
  boot splash (plymouth?) with the password prompt for the encrypted
  root is missing.

  The screen flashes dark purple and the switches to black with a
  blinking cursor echoing anything typed. Ctrl-alt-del reboots. Booting
  with kernel options "quiet splash" removed results in a text-mode boot
  process where the password prompt is present, proceeding normally.

  Wasn't sure if this was plymouth or nvidia issue, I'm guessing nvidia
  because that's what upgraded and broke functionality.

  Tried redoing update-grub and update-initramfs, didn't help. Found I
  had both nvidia-361 and nvidia-367 installed (why didn't -361
  uninstall?), but manually removing -361 (and redoing initramfs just in
  case) didn't change anything.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: nvidia-367 367.57-0ubuntu0.16.04.1
  ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
  Uname: Linux 4.4.0-36-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl nvidia_uvm nvidia_drm 
nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Nov  3 17:45:14 2016
  InstallationDate: Installed on 2016-07-23 (103 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  SourcePackage: nvidia-graphics-drivers-367
  UpgradeStatus: No upgrade log present (probably fresh install)

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