Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1792843
Title:
GDM lock screen will not accept credentials and then loses keyboard?
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
So yesterday I got the prompt to upgrade my 16LTS system to 18. This
caused a number of issues, but the most frustrating issue out of many
has to be this one.
After a period of inactivity, the lock screen kicks in. When I then
try to log in, using the correct password, I get a spinner for about
10 seconds, the "Authentication error".
After a couple of seconds "Authentication error" goes away but now it
seems no keys are registering at all in the password field. I say "it
seems" because I see no "*"s as I type, but I do see occasional
prompts of "Authentication error" coming back, but I haven't
pinpointed the circumstances - certainly not triggered by hitting
ENTER, sometimes backspace? Not sure if it has anything to do with the
keys.
After this all I can do is log in over ssh and reboot; I'm basically
locked out on the console.
If I wait a while the keyboard does seem to come back but the problem
is still there - my password is not accepted and then the keyboard
again seems to do nothing for a while.
This happens whether I have a USB keyboard connected or whether I am
running Synergy and using a virtual keyboard. Mouse continues to work
fine.
Release and kernel: Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-34-generic x86_64)
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DisplayManager: gdm3
DistroRelease: Ubuntu 18.04
GsettingsChanges:
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
Package: gnome-shell 3.28.3-0ubuntu0.18.04.2
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
Tags: third-party-packages bionic
Uname: Linux 4.15.0-34-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-09-16 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
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