[Bug 1795637] Re: No login screen when booting Cosmic

[Iain Lane]

I think it's like this (line numbers added)

bad:

line 423: [ply-boot-server.c:388]             print_connection_process_identity:connection is from pid 677 (/bin/plymouth deactivate) with parent pid 668 (/usr/sbin/gdm3)
line 498: [./plugin.c:649]                                      activate:taking master and scanning out

good:

line 402: [./plugin.c:649]                                      activate:taking master and scanning out
line 573: [ply-boot-server.c:388]             print_connection_process_identity:connection is from pid 711 (/bin/plymouth deactivate) with parent pid 665 (/usr/sbin/gdm3)
line 583: [./plugin.c:679]                                    deactivate:dropping master

In the bad case, we don't see "dropping master" because boot_splash is
NULL, because we were already deactivated.

I asked upstream about the attached patch, will see what they say and in
the meantime it's on
https://launchpad.net/~laney/+archive/ubuntu/plymouth if somebody would
care to test.

** Patch added: "0001-Don-t-show-default-splash-if-we-are-already-inactive.patch"
   https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1795637/+attachment/5199439/+files/0001-Don-t-show-default-splash-if-we-are-already-inactive.patch

** Changed in: plymouth (Ubuntu Cosmic)
       Status: New => Triaged

** Changed in: plymouth (Ubuntu Cosmic)
   Importance: Undecided => High

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

Title:
  No login screen when booting Cosmic

Status in gdm3 package in Ubuntu:
  Triaged
Status in plymouth package in Ubuntu:
  Triaged
Status in gdm3 source package in Cosmic:
  Triaged
Status in plymouth source package in Cosmic:
  Triaged

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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