Public bug reported:
So yesterday I got the prompt to upgrade my 16LTS system to 18. Man am I
sorry I went ahead with this; I am in a world of hurt. 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.
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)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1792843
Title:
GDM lock screen will not accept credentials and then loses keyboard?
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