GNOME on Wayland session could not be started from lightdm

Bug #1695872 reported by fcole90
30
This bug affects 5 people
Affects Status Importance Assigned to Milestone
gnome-shell (Ubuntu)
Won't Fix
Undecided
Unassigned
lightdm (Ubuntu)
Won't Fix
High
Unassigned

Bug Description

GNOME on Wayland session could not be started from lightdm

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lightdm 1.18.3-0ubuntu1.1
ProcVersionSignature: Ubuntu 4.8.0-53.56~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-53-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Jun 5 11:23:22 2017
InstallationDate: Installed on 2016-09-09 (268 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
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.
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
fcole90 (fcole90) wrote :
Revision history for this message
Jeremy Bícha (jbicha) wrote :

I don't think the open source NVIDIA graphics drivers support GNOME on Wayland in Ubuntu 16.04 LTS.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

That might be true, but NVIDIA isn't mentioned anywhere in this bug.

fcole90: What GPU/drivers are you using?

Revision history for this message
fcole90 (fcole90) wrote :

I have an nvidia/intel hybrid GPU (GTX-850M), with nvidia proprietary drivers (nvidia-375) from the supported drivers PPA. The attempt failed when using the intel GPU, so the nvidia part is not involved. Using GDM I could load a fully functional Wayland session.

I'm using also the most updated Linux/X/Mesa HWE stack from main repository (I think it's based on the 16.10 stack).

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

OK, could you please:

1. Start a separate VT login: Ctrl+Alt+F4, and log in.
2. Return to lightdm (Ctrl+Alt+F7) and attempt a Gnome login.
3. After it fails return to Ctrl+Alt+F4 and take a copy of the log using this command:
   journalctl /usr/bin/gnome-shell > gnome-shell.log
4. Attach gnome-shell.log to this bug.

I hope in future bug reports will do this automatically for users, but they don't yet.

Changed in lightdm (Ubuntu):
status: New → Incomplete
Changed in gnome-shell (Ubuntu):
status: New → Incomplete
Revision history for this message
fcole90 (fcole90) wrote :

I receive the following warning:
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.

Retrying as superuser I didn't receive the warning but the log was empty..

Changed in gnome-shell (Ubuntu):
status: Incomplete → New
Changed in lightdm (Ubuntu):
status: Incomplete → New
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gnome-shell (Ubuntu):
status: New → Confirmed
Changed in lightdm (Ubuntu):
status: New → Confirmed
Changed in lightdm (Ubuntu):
importance: Undecided → High
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for reporting this bug to Ubuntu.
Ubuntu GNOME 16.04 (xenial) reached end-of-life in April 2019.

https://ubuntugnome.org/ubuntu-gnome-16-04-lts-is-here/
https://wiki.ubuntu.com/XenialXerus/ReleaseNotes/UbuntuGNOME

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in.

Changed in lightdm (Ubuntu):
status: Confirmed → Won't Fix
Changed in gnome-shell (Ubuntu):
status: Confirmed → Won't Fix
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