Public bug reported:
It appears that using Xorg instead of Wayland is the only way to fix
this problem on Ubuntu 17.10. For some odd reason, whenever I wake my
computer from suspend (especially after an extended period of time
asleep) using Gnome in a Wayland session (gnome-session and stock
ubuntu-session alike), my screen freezes completely on whatever was last
there before suspending and I can't get any IO response at all. Nothing,
the screen is totally frozen. I am also unable to exit into a recovery
shell or kill GDM or gnome-session/ubuntu-session locally. I also can't
seem to find any traces or indications for the freeze in the syslog, or
maybe I'm just not sure where to look. I believe this is a problem with
GDM on Wayland, not kernel related, as it happens on a totally stock
install and when I use an upgraded/downgraded kernel. It literally
necessitates restarting my computer. This problem is nonexistent when
using Xorg instead of Wayland with GDM. Anyone else have this issue on
Ubuntu 17.10 or figure out a solution better than simply switching to
Xorg? I should clarify that I am not using nvidia drivers, I'm using
Intel integrated graphics on a core-i7 5500U.
Ubuntu 17.10 uses gnome-session v3.26.1.
Expected behavior: When waking computer from suspend, expect GDM lock prompt
and log back in.
What happened instead: When waking computer from suspend, screen and IO is
completely frozen, necessitating a force-shutdown.
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
** Affects: gnome-session (Ubuntu)
Importance: Undecided
Status: New
** Affects: wayland (Ubuntu)
Importance: Undecided
Status: New
** Tags: gdm gnome-17.10 gnome-session suspend-resume
** Also affects: gnome-session (Ubuntu)
Importance: Undecided
Status: New
** Also affects: wayland (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1728143
Title:
Screen freezes after waking from suspend with Gnome on Wayland
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