[Bug 1729437] Re: Ubuntu 17.10 hangs on reboot after installation

[Jack Simmons]

On a clean install of Ubuntu 17.10 I get a similar error. Installation
on new hard drive works without a glitch, and the "You must restart your
machine yada yada yada...' popup appears. I then click on the restart
button in the popup, the system begins the restart cycle, but goes to a
black screen with a blinking text cursor (no error message). No commands
work in this screen and I have to force shutdown. Then I restart the
machine, and to all appearances Ubuntu 17.10 is present and working...
but it makes me nervous.

I've tried a clean install on a different hard drive and get the same
results. Any ideas about what might be going on?

CPU = AMD FX-8350
Board = M5A78L-M/USB3
Memory =  Kingston HyperX FURY 16GB Kit (2x8GB) 1600MHz DDR3 CL10 DIMM
SSD = SanDisk SSD PLUS 120GB Solid State Drive - SDSSDA-120G-G27

Ubuntu 17.10.1 from :
https://www.ubuntu.com/download/desktop/contribute/?version=17.10.1&architecture=amd64
installed on a USB stick for installation.

What am I doing wrong, or is this a known issue?

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https://bugs.launchpad.net/bugs/1729437

Title:
  Ubuntu 17.10 hangs on reboot after installation

Status in Ubuntu:
  Confirmed
Status in plymouth package in Ubuntu:
  New

Bug description:
  After installing ubuntu 17.10 desktop a window asking for a reboot opens.
  After selecting the reboot I get the following error message from systemd: 'A start job is running for Hold until boot process finishes up (21s / no limit)'
  The system hangs and continues to display this error message.
  As far as I can tell this message comes up during the shutdown part of the reboot.

  I used 'ubuntu-17.10-desktop-amd64.iso' as installation image on a usb
  drive, I started the installer by selecting 'Try Ubuntu without
  installing' in the boot menu and clicking the installer icon after the
  live systems boot up.

  Happily I also found a workaround. Before booting the live system I
  changed some boot parameters with grub from 'quiet splash' to
  'noplymouth' and then the installation worked and a proper reboot
  after installation was possible.

  To make things clearer I have attachted a screenshot of the error message.
  I encountered this bug on Lenovo ThinkPad T470 with an nvme SSD.

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