Public bug reported:

System: Ubuntu 18.04 fresh install
HW: Macbook Pro Retina 15"

Settings in Tweak: Suspend on Lid closed

The machine does not suspend after lid is closed

syslog: -----------
Apr 28 21:42:18 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:18 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:19 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:19 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:22 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:22 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:26 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:26 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:26 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:26 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:27 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:34 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:34 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:34 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: (EE) event7  - 
bcm5974: kernel bug: Touch jump detected and discarded.
Apr 28 21:42:34 mbpr15a /usr/lib/gdm3/gdm-x-session[2063]: See 
https://wayland.freedesktop.org/libinput/doc/1.10.4/touchpad_jumping_cursor.html
 for details
Apr 28 21:42:35 mbpr15a gnome-shell[1460]: _st_paint_shadow_with_opacity: 
assertion 'shadow_pipeline != NULL' failed

...
---------

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gdm3 3.28.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: wl nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 28 21:46:37 2018
InstallationDate: Installed on 2018-04-28 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gdm3 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1767715

Title:
  suspend to RAM not working in 18.04

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