[Bug 1795637] Re: No login screen when booting Cosmic due to plymouth racing with the rest of the boot process and not releasing DRM devices in time

[Christopher Patti]

Hi there! I'm looking for suggestions on further testing I can do to
disambiguate the situation I'm seeing from this bug.

I reported https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1796614
which was marked as a duplicate of this bug.

However, I now have this package installed (Output of apt policy below),
and I am still seeing a blank screen with a blinking cursor at initial
boot, but can flip to a different VT, login and run startx and
everything functions normally.

Am I

A) Mis-understanding what I need to do in order to test this fix, or 
B) missing some other subtlety that would lead to my expectations that this bug should go away to be invalid or 
C) in fact observing a different bug altogether that isn't a duplicate of this one?

Any hints anyone can throw my way would be very much appreciated. Thanks
in advance!

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https://bugs.launchpad.net/bugs/1795637

Title:
  No login screen when booting Cosmic due to plymouth racing with the
  rest of the boot process and not releasing DRM devices in time

Status in gdm3 package in Ubuntu:
  Invalid
Status in plymouth package in Ubuntu:
  Fix Released
Status in gdm3 source package in Cosmic:
  Invalid
Status in plymouth source package in Cosmic:
  Fix Released

Bug description:
  Booting a fresh install of Cosmic from the ISO generated 1 Oct 2018
  doesnt present a log in screen.  Switching to tty2 and then back to 1
  makes the log in screen appear.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: gdm3 3.30.1-1ubuntu1
  ProcVersionSignature: Ubuntu 4.18.0-8.9-generic 4.18.7
  Uname: Linux 4.18.0-8-generic x86_64
  ApportVersion: 2.20.10-0ubuntu11
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Oct  2 13:23:42 2018
  InstallationDate: Installed on 2018-10-02 (0 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Beta amd64 (20181001)
  SourcePackage: gdm3
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.gdm3.custom.conf: 2018-10-02T13:15:45.550495

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