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I have double screen configuration (2 monitors). I face such issue:
1. I lock computer by pressing (Win+L) or it lock itself by timer
2. Mouse goes out of current monitor (password input field switches to second
screen)
3. Upper buttons becomes nonfunctional such as language selection button, power
indicator, volume control button, logging control button.
It happens to both screens.
4. I cannot to unlock computer if language dosn't match language of password.
The hard-reset is only option possible.
I use Unity without switches to Gnome Shell.
I tried to log gnome session (it's named Ubuntu) and I couldn't
reproduce the issue. If lock computer I got completely different login
page. There is no switch to the password input field if I move mouse
pointer to the second screen. The password input field is fixed to the
main screen.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gdm3 3.28.2-0ubuntu1.3
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Tue Jul 17 11:57:02 2018
InstallationDate: Installed on 2017-04-03 (469 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
SourcePackage: gdm3
UpgradeStatus: Upgraded to bionic on 2018-05-03 (74 days ago)
mtime.conffile..etc.gdm3.custom.conf: 2017-10-23T17:14:02.815788
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic multimonitor
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gdm nonfunctional on active screen switch
https://bugs.launchpad.net/bugs/1782101
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seeded packages, which is subscribed to lightdm in Ubuntu.
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