Public bug reported:
I have been using Wayland for some time. In a recent artful update, my
session reverted to Xorg causing all sorts of HiDPI scaling issues (see
https://bugs.launchpad.net/bugs/1714295).
Even though in the gdm3 options Ubuntu (default Wayland) was selected,
it was using Xorg. In order to get back to using wayland for my session
I had to select Xorg, then select Ubuntu default again. Once I did that
and logged in, it was using wayland properly again.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gdm3 3.25.90.1-0ubuntu2
ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
Uname: Linux 4.11.0-10-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 8 11:21:17 2017
InstallationDate: Installed on 2017-07-23 (46 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170720)
JournalErrors:
Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000']
failed with exit code 1: Hint: You are currently not seeing messages from other
users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug artful wayland-session
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https://bugs.launchpad.net/bugs/1716011
Title:
Default session reverted to Xorg
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