Comment 0 for bug 1768748

(note that this is running the default wayland session)

Test Case:
1. Install 1710 and all the updates available
2. Reboot
3. Wait until the upgrade notification to 18.04 shows up
4. Press on 'Upgrade now'

Expected behaviour
The upgrade process starts

Actual result
The update notifier dialog is closed and nothing happens

The following messages are logged in the journal:
mai 03 09:04:23 ubuntu gnome-software[1600]: running get-distro-updates with refine-flags=require-setup-action with timeout=60 on plugin=appstream took 26ms
mai 03 09:04:26 ubuntu PackageKit[1073]: get-updates transaction /3_acacceea from uid 1000 finished with success after 2634ms
mai 03 09:04:26 ubuntu gnome-software[1600]: running refresh with timeout=60 with cache age=86400 on plugin=steam took 2743ms
mai 03 09:04:26 ubuntu gnome-software[1600]: running get-updates with refine-flags=require-update-details,require-update-severity with timeout=60 on plugin=systemd-updates took 1ms
mai 03 09:04:26 ubuntu update-notifier.desktop[1799]: localuser:root being added to access control list
mai 03 09:04:26 ubuntu update-notifier.desktop[1799]: Refusing to render service to dead parents.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: update-notifier 3.186.1
ProcVersionSignature: Ubuntu 4.13.0-39.44-generic 4.13.16
Uname: Linux 4.13.0-39-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.8
Architecture: amd64
Date: Thu May 3 09:06:03 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2018-05-02 (0 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
SourcePackage: update-notifier
UpgradeStatus: No upgrade log present (probably fresh install)