Hi Daniel,

It doesn't appear anything has actually crashed when this scenario happens.
/var/crash is empty

The contents of my /var/lib/whoopsie/whoopsie-id is;
d0d31e5e858096f38cba06e106ab0375a0e96fd9fda7031d320fa3966f0064bba364acdc53d42bce08a29148a49314d352455fe8b6cb716c20dbf804d8711876

There is nothing
at;https://errors.ubuntu.com/user/d0d31e5e858096f38cba06e106ab0375a0e96fd9fda7031d320fa3966f0064bba364acdc53d42bce08a29148a49314d352455fe8b6cb716c20dbf804d8711876

When the system boots up, I briefly see the splash screen then the
splash goes away and all I see is a completely blank purple-ish page.
No login page.  No indications at all that anything has gone wrong
perse.  And no log files.

If I ssh into the system,

Here is output of 'sudo systemctl status gdm'

----- snip -----
● gdm.service - GNOME Display Manager
   Loaded: loaded (/lib/systemd/system/gdm.service; static; vendor preset: 
enabled)
   Active: active (running) since Sun 2019-06-09 21:12:34 MDT; 2min 59s ago
  Process: 1095 ExecStartPre=/usr/share/gdm/generate-config (code=exited, 
status=0/SUCCESS)
 Main PID: 1098 (gdm3)
    Tasks: 3 (limit: 4651)
   CGroup: /system.slice/gdm.service
           └─1098 /usr/sbin/gdm3

Jun 09 21:12:34 ubuntuvm1 systemd[1]: Starting GNOME Display Manager...
Jun 09 21:12:34 ubuntuvm1 systemd[1]: Started GNOME Display Manager.
Jun 09 21:12:34 ubuntuvm1 gdm-launch-environment][1112]: 
pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0)
----- snip -----

Here is output of 'sudo systemctl status session-c1.scope';

----- snip -----
● session-c1.scope - Session c1 of user gdm
   Loaded: loaded (/run/systemd/transient/session-c1.scope; transient)
Transient: yes
   Active: active (running) since Sun 2019-06-09 21:12:34 MDT; 12min ago
    Tasks: 102
   CGroup: /user.slice/user-120.slice/session-c1.scope
           ├─1112 gdm-session-worker [pam/gdm-launch-environment]
           ├─1274 /usr/lib/gdm3/gdm-wayland-session gnome-session --autostart 
/usr/share/gdm/greeter/autostart
           ├─1285 /usr/lib/gnome-session/gnome-session-binary --autostart 
/usr/share/gdm/greeter/autostart
           ├─1383 /usr/bin/gnome-shell
           ├─1461 /usr/bin/Xwayland :1024 -rootless -terminate -accessx -core 
-listen 4 -listen 5 -displayfd 6
           ├─1528 ibus-daemon --xim --panel disable
           ├─1531 /usr/lib/ibus/ibus-dconf
           ├─1534 /usr/lib/ibus/ibus-x11 --kill-daemon
           ├─1550 /usr/lib/gnome-settings-daemon/gsd-xsettings
           ├─1554 /usr/lib/gnome-settings-daemon/gsd-a11y-settings
           ├─1556 /usr/lib/gnome-settings-daemon/gsd-clipboard
           ├─1558 /usr/lib/gnome-settings-daemon/gsd-color
           ├─1560 /usr/lib/gnome-settings-daemon/gsd-datetime
           ├─1561 /usr/lib/gnome-settings-daemon/gsd-housekeeping
           ├─1562 /usr/lib/gnome-settings-daemon/gsd-keyboard
           ├─1563 /usr/lib/gnome-settings-daemon/gsd-media-keys
           ├─1568 /usr/lib/gnome-settings-daemon/gsd-mouse
           ├─1570 /usr/lib/gnome-settings-daemon/gsd-power
           ├─1573 /usr/lib/gnome-settings-daemon/gsd-print-notifications
           ├─1578 /usr/lib/gnome-settings-daemon/gsd-rfkill
           ├─1579 /usr/lib/gnome-settings-daemon/gsd-screensaver-proxy
           ├─1581 /usr/lib/gnome-settings-daemon/gsd-sharing
           ├─1587 /usr/lib/gnome-settings-daemon/gsd-smartcard
           ├─1592 /usr/lib/gnome-settings-daemon/gsd-sound
           ├─1595 /usr/lib/gnome-settings-daemon/gsd-wacom
           └─1605 /usr/lib/ibus/ibus-engine-simple

Jun 09 21:12:34 ubuntuvm1 systemd[1]: Started Session c1 of user gdm.
Jun 09 21:12:35 ubuntuvm1 org.gnome.Shell.desktop[1383]: glamor: EGL version 
1.4 (DRI2):
Jun 09 21:12:36 ubuntuvm1 spice-vdagent[1596]: Cannot access vdagent virtio 
channel /dev/virtio-ports/com.redhat.spice.0
Jun 09 21:12:36 ubuntuvm1 gnome-session[1285]: gnome-session-binary[1285]: 
WARNING: App 'spice-vdagent.desktop' exited with code 1
Jun 09 21:12:36 ubuntuvm1 gnome-session-binary[1285]: WARNING: App 
'spice-vdagent.desktop' exited with code 1
Jun 09 21:12:36 ubuntuvm1 gnome-shell[1383]: Error looking up permission: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.impl.portal.PermissionStore was not provided by any .service 
files
Jun 09 21:12:37 ubuntuvm1 gnome-shell[1383]: JS WARNING: 
[resource:///org/gnome/shell/ui/windowManager.js 1477]: reference to undefined 
property "MetaWindowXwayland"
Jun 09 21:12:37 ubuntuvm1 gnome-session-binary[1285]: Entering running state
Jun 09 21:12:37 ubuntuvm1 gsd-color[1558]: failed to get edid: unable to get 
EDID for output
Jun 09 21:12:37 ubuntuvm1 gsd-color[1558]: unable to get EDID for 
xrandr-Virtual-1: unable to get EDID for output
----- snip -----

Here is output of 'sudo systemctl status user-120.slice';

----- snip -----
● user-120.slice - User Slice of gdm
   Loaded: loaded (/run/systemd/transient/user-120.slice; transient)
Transient: yes
   Active: active since Sun 2019-06-09 21:12:34 MDT; 14min ago
    Tasks: 119 (limit: 10233)
   CGroup: /user.slice/user-120.slice
           ├─session-c1.scope
           │ ├─1112 gdm-session-worker [pam/gdm-launch-environment]
           │ ├─1274 /usr/lib/gdm3/gdm-wayland-session gnome-session --autostart 
/usr/share/gdm/greeter/autostart
           │ ├─1285 /usr/lib/gnome-session/gnome-session-binary --autostart 
/usr/share/gdm/greeter/autostart
           │ ├─1383 /usr/bin/gnome-shell
           │ ├─1461 /usr/bin/Xwayland :1024 -rootless -terminate -accessx -core 
-listen 4 -listen 5 -displayfd 6
           │ ├─1528 ibus-daemon --xim --panel disable
           │ ├─1531 /usr/lib/ibus/ibus-dconf
           │ ├─1534 /usr/lib/ibus/ibus-x11 --kill-daemon
           │ ├─1550 /usr/lib/gnome-settings-daemon/gsd-xsettings
           │ ├─1554 /usr/lib/gnome-settings-daemon/gsd-a11y-settings
           │ ├─1556 /usr/lib/gnome-settings-daemon/gsd-clipboard
           │ ├─1558 /usr/lib/gnome-settings-daemon/gsd-color
           │ ├─1560 /usr/lib/gnome-settings-daemon/gsd-datetime
           │ ├─1561 /usr/lib/gnome-settings-daemon/gsd-housekeeping
           │ ├─1562 /usr/lib/gnome-settings-daemon/gsd-keyboard
           │ ├─1563 /usr/lib/gnome-settings-daemon/gsd-media-keys
           │ ├─1568 /usr/lib/gnome-settings-daemon/gsd-mouse
           │ ├─1570 /usr/lib/gnome-settings-daemon/gsd-power
           │ ├─1573 /usr/lib/gnome-settings-daemon/gsd-print-notifications
           │ ├─1578 /usr/lib/gnome-settings-daemon/gsd-rfkill
           │ ├─1579 /usr/lib/gnome-settings-daemon/gsd-screensaver-proxy
           │ ├─1581 /usr/lib/gnome-settings-daemon/gsd-sharing
           │ ├─1587 /usr/lib/gnome-settings-daemon/gsd-smartcard
           │ ├─1592 /usr/lib/gnome-settings-daemon/gsd-sound
           │ ├─1595 /usr/lib/gnome-settings-daemon/gsd-wacom
           │ └─1605 /usr/lib/ibus/ibus-engine-simple
           └─[email protected]
             ├─at-spi-dbus-bus.service
             │ ├─1477 /usr/lib/at-spi2-core/at-spi-bus-launcher
             │ ├─1485 /usr/bin/dbus-daemon 
--config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork 
--print-address 3
             │ └─1490 /usr/lib/at-spi2-core/at-spi2-registryd 
--use-gnome-session
             ├─dbus.service
             │ ├─1281 /usr/bin/dbus-daemon --session --address=systemd: 
--nofork --nopidfile --systemd-activation --syslog-only
             │ └─1538 /usr/lib/ibus/ibus-portal
             ├─init.scope
             │ ├─1190 /lib/systemd/systemd --user
             │ └─1194 (sd-pam)
             └─pulseaudio.service
               └─1508 /usr/bin/pulseaudio --daemonize=no

Jun 09 21:12:36 ubuntuvm1 dbus-daemon[1281]: [session uid=120 pid=1281] 
Activating service name='org.freedesktop.portal.IBus' requested by ':1.18' 
(uid=120 pid=1528 comm="ibus-daemon --xim --panel disable " label="unconfined")
Jun 09 21:12:36 ubuntuvm1 dbus-daemon[1281]: [session uid=120 pid=1281] 
Successfully activated service 'org.freedesktop.portal.IBus'
Jun 09 21:12:36 ubuntuvm1 spice-vdagent[1596]: Cannot access vdagent virtio 
channel /dev/virtio-ports/com.redhat.spice.0
Jun 09 21:12:36 ubuntuvm1 gnome-session[1285]: gnome-session-binary[1285]: 
WARNING: App 'spice-vdagent.desktop' exited with code 1
Jun 09 21:12:36 ubuntuvm1 gnome-session-binary[1285]: WARNING: App 
'spice-vdagent.desktop' exited with code 1
Jun 09 21:12:36 ubuntuvm1 gnome-shell[1383]: Error looking up permission: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.impl.portal.PermissionStore was not provided by any .service 
files
Jun 09 21:12:37 ubuntuvm1 gnome-shell[1383]: JS WARNING: 
[resource:///org/gnome/shell/ui/windowManager.js 1477]: reference to undefined 
property "MetaWindowXwayland"
Jun 09 21:12:37 ubuntuvm1 gnome-session-binary[1285]: Entering running state
Jun 09 21:12:37 ubuntuvm1 gsd-color[1558]: failed to get edid: unable to get 
EDID for output
Jun 09 21:12:37 ubuntuvm1 gsd-color[1558]: unable to get EDID for 
xrandr-Virtual-1: unable to get EDID for output
----- snip -----

Let me know what else I can provide.

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1832138

Title:
  Login screen never appears on vmwgfx but setting WaylandEnable=false
  fixes it

Status in gdm3 package in Ubuntu:
  Incomplete
Status in mutter package in Ubuntu:
  Incomplete

Bug description:
  I'm running Ubuntu 18.04.2 desktop in a virtual machine under VMWare
  Fusion Pro V11.1.0 on MacOS Mojave 10.14.5, all on a 15inch 2018
  Macbook Pro.

  I've been running this Ubuntu 18.04.2 VM without problem for many months 
without problem.
  Yesterday, I did 'sudo apt update; sudo apt upgrade'.  Upon rebooting, the 
system hangs immediately after displaying the splash screen.  I never see a 
login screen.  And I can't use Ctrl+Alt+F2 to navigate to a console/tty login.

  I can SSH into the system however.

  I've found that I can work around the hang/freeze if I uncomment the 
following line in /etc/gdm3/custom.conf;
  #WaylandEnable=false

  After uncommenting the WaylandEnable=false line and rebooting, then I
  see the login prompt as expected and I can then log in and use the
  system normally again.

  After the 'apt upgrade' my system is running linux kernel 4.15.0-51,
  as shown in this 'uname -a' output;

  Linux ubuntuvm1 4.15.0-51-generic #55-Ubuntu SMP Wed May 15 14:27:21
  UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

  lsb_release -a output;

  No LSB modules are available.
  Distributor ID:       Ubuntu
  Description:  Ubuntu 18.04.2 LTS
  Release:      18.04
  Codename:     bionic

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xorg 1:7.7+19ubuntu7.1
  ProcVersionSignature: Ubuntu 4.15.0-51.55-generic 4.15.18
  Uname: Linux 4.15.0-51-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CompositorRunning: None
  Date: Sun Jun  9 12:38:37 2019
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GpuHangFrequency: This is the first time
  GraphicsCard:
   VMware SVGA II Adapter [15ad:0405] (prog-if 00 [VGA controller])
     Subsystem: VMware SVGA II Adapter [15ad:0405]
  InstallationDate: Installed on 2018-05-06 (399 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: VMware, Inc. VMware Virtual Platform
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-51-generic 
root=/dev/mapper/ubuntu--vg-root ro splash net.ifnames=0
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/13/2018
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 6.00
  dmi.board.name: 440BX Desktop Reference Platform
  dmi.board.vendor: Intel Corporation
  dmi.board.version: None
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd04/13/2018:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
  dmi.product.name: VMware Virtual Platform
  dmi.product.version: None
  dmi.sys.vendor: VMware, Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.95-1~18.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.8-0ubuntu0~18.04.2
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.8-0ubuntu0~18.04.2
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

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