Public bug reported:

Pretty much identical to bug 1638990 except that this behavior also
happens with the most recent Xenial kernel, 4.4.0-47-generic.

If I boot into recovery mode on 4.4.0-47-generic, mount the filesystem as 
read/write, start networking, the resume normal boot, I can finally get into my 
window manager. But if I reboot and let
GRUB handle boot normally, it doesn't even let me enter my encryption 
passphrase. Just sits at a blinking cursor.

Switching back to nouveau works, but after reinstalling 367.57, the
behavior returns and the aforementioned steps have to be followed.

Ubuntu 4.4.0-47.68-generic 4.4.24

:~$ lsb_release -rd
Description:    Ubuntu 16.04.1 LTS
Release:        16.04

:~$ apt-cache policy linux-image-generic
linux-image-generic:
  Installed: 4.4.0.47.50
  Candidate: 4.4.0.47.50
  Version table:
 *** 4.4.0.47.50 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
        100 /var/lib/dpkg/status
     4.4.0.21.22 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

I expect that I should be able to boot normally with nvidia drivers,
without any special steps to boot. But instead, I just get a blinking
cursor before I can even unlock my encrypted drive.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-47-generic 4.4.0-47.68
ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
Uname: Linux 4.4.0-47-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC2:  lost       2881 F.... pulseaudio
 /dev/snd/controlC0:  lost       2881 F.... pulseaudio
 /dev/snd/pcmC1D0p:   lost       2881 F...m pulseaudio
 /dev/snd/controlC1:  lost       2881 F.... pulseaudio
CurrentDesktop: XFCE
Date: Wed Nov 16 15:28:55 2016
HibernationDevice: RESUME=UUID=cf59c168-54d0-45b9-b633-240bd76bbaa6
InstallationDate: Installed on 2016-11-01 (15 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: LENOVO 11361Q0
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-47-generic 
root=/dev/mapper/xubuntu--vg-root ro recovery nomodeset
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-47-generic N/A
 linux-backports-modules-4.4.0-47-generic  N/A
 linux-firmware                            1.157.4
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/29/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: A3KT57AUS
dmi.board.name: LENOVO
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: 573921
dmi.chassis.type: 7
dmi.chassis.vendor: LENOVO
dmi.chassis.version: NONE
dmi.modalias: 
dmi:bvnLENOVO:bvrA3KT57AUS:bd09/29/2016:svnLENOVO:pn11361Q0:pvrThinkStationC30:rvnLENOVO:rnLENOVO:rvrNODPK:cvnLENOVO:ct7:cvrNONE:
dmi.product.name: 11361Q0
dmi.product.version: ThinkStation C30
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug xenial

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1642400

Title:
  nvidia-367.57 with kernel 4.4.0-47-generic won't boot

Status in linux package in Ubuntu:
  New

Bug description:
  Pretty much identical to bug 1638990 except that this behavior also
  happens with the most recent Xenial kernel, 4.4.0-47-generic.

  If I boot into recovery mode on 4.4.0-47-generic, mount the filesystem as 
read/write, start networking, the resume normal boot, I can finally get into my 
window manager. But if I reboot and let
  GRUB handle boot normally, it doesn't even let me enter my encryption 
passphrase. Just sits at a blinking cursor.

  Switching back to nouveau works, but after reinstalling 367.57, the
  behavior returns and the aforementioned steps have to be followed.

  Ubuntu 4.4.0-47.68-generic 4.4.24

  :~$ lsb_release -rd
  Description:  Ubuntu 16.04.1 LTS
  Release:      16.04

  :~$ apt-cache policy linux-image-generic
  linux-image-generic:
    Installed: 4.4.0.47.50
    Candidate: 4.4.0.47.50
    Version table:
   *** 4.4.0.47.50 500
          500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       4.4.0.21.22 500
          500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  I expect that I should be able to boot normally with nvidia drivers,
  without any special steps to boot. But instead, I just get a blinking
  cursor before I can even unlock my encrypted drive.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-47-generic 4.4.0-47.68
  ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
  Uname: Linux 4.4.0-47-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  lost       2881 F.... pulseaudio
   /dev/snd/controlC0:  lost       2881 F.... pulseaudio
   /dev/snd/pcmC1D0p:   lost       2881 F...m pulseaudio
   /dev/snd/controlC1:  lost       2881 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Wed Nov 16 15:28:55 2016
  HibernationDevice: RESUME=UUID=cf59c168-54d0-45b9-b633-240bd76bbaa6
  InstallationDate: Installed on 2016-11-01 (15 days ago)
  InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  MachineType: LENOVO 11361Q0
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-47-generic 
root=/dev/mapper/xubuntu--vg-root ro recovery nomodeset
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-47-generic N/A
   linux-backports-modules-4.4.0-47-generic  N/A
   linux-firmware                            1.157.4
  RfKill:
   0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/29/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: A3KT57AUS
  dmi.board.name: LENOVO
  dmi.board.vendor: LENOVO
  dmi.board.version: NO DPK
  dmi.chassis.asset.tag: 573921
  dmi.chassis.type: 7
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: NONE
  dmi.modalias: 
dmi:bvnLENOVO:bvrA3KT57AUS:bd09/29/2016:svnLENOVO:pn11361Q0:pvrThinkStationC30:rvnLENOVO:rnLENOVO:rvrNODPK:cvnLENOVO:ct7:cvrNONE:
  dmi.product.name: 11361Q0
  dmi.product.version: ThinkStation C30
  dmi.sys.vendor: LENOVO

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