** Changed in: mutter (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1727356
Title:
Login screen never appears on early generation Intel GPUs (Core2 and
Atom etc)
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Bionic:
Fix Committed
Status in mutter source package in Cosmic:
Fix Released
Bug description:
[ Impact ]
In some early intel GPUs gdm can't start in wayland mode, and so
gnome-shell
[ Test case ]
- Start the pc or logout/end session
- Try to login with the "Ubuntu on Wayland" session
- Ubuntu should start
[ Regression potential ]
Possible false positive on wayland support check on some cards
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https://gitlab.gnome.org/GNOME/mutter/issues/127
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Wayland sessions (including the login screen itself) don't start up on
older Intel GPUs.
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Workaround:
Ctrl+Alt+F4, log in, edit /etc/gdm3/custom.conf and uncomment the line:
#WaylandEnable=false
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$ lsb_release -rd
Description: Ubuntu 17.10
Release: 17.10
Upgraded from 17.04 today.
Steps to reproduce:
- Start the PC or log out/end session in case it's running with an Xorg
desktop already.
- Attempt to log in, using 'Ubuntu'
Expected to happen:
Desktop appears.
Actually happening:
5 seconds of black screen, then the login screen appears again.
Partial diagnosis:
- Logging in using 'Ubuntu on Xorg' works fine and as expected.
- Extracted a syslog of such a failed attempt, see attached file.
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ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOMEDisplayManager: gdm3DistroRelease: Ubuntu 17.10
InstallationDate: Installed on 2016-05-04 (539 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
Package: gnome-shell 3.26.1-0ubuntu5
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Tags: artful package-from-proposed third-party-packages
Uname: Linux 4.13.0-16-generic x86_64
UpgradeStatus: Upgraded to artful on 2017-10-25 (0 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo www-data
_MarkForUpload: True
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