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Description of problem:
After upgrading from RHEL 7.5 to 7.6 the TimedLogin option for gdm is no longer working. The error only occurs when the user list is disabled. With the user list enabled Timedlogin works for users on the user list.
Version-Release number of selected component (if applicable):
RHEL 7.6
gdm-3.28.2-10.el7.x86_64
gnome-desktop3-3.28.2-2.el7.x86_64
gnome-shell-3.28.3-6.el7.x86_64
How reproducible:
Always reproducible
Steps to Reproduce:
1. Setup the Timedlogin option in /etc/gdm/custom.conf
[daemon]
TimedLoginEnable=true
TimedLogin=USER
TimedLoginDelay=10
2. Add dconf settings to disable the userlist on the login screen
Create the file: /etc/dconf/db/gdm.d/00-login-screen and add these options:
[org/gnome/login-screen]
disable-user-list=true
Update dconf via 'dconf update'
3. Restart gdm via 'systemctl restart gdm.service'
Actual results:
The user never logs in
Expected results:
After a timeout of 10 seconds the specified user is logged in.
Additional info:
The following error can be seen in journalctl
gnome-shell[36678]: JS ERROR: Exception in callback for signal: release: TypeError: this._timedLoginItem is null _showTimedLoginAnimation@resource:///org/gnome/shell/gdm/loginDialog.js:1003:9 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 run@resource:///org/gnome/shell/gdm/batch.js:64:20 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 runTask@resource:///org/gnome/shell/gdm/batch.js:144:16 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 process@resource:///org/gnome/shell/gdm/batch.js:210:19 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 nextTask@resource:///org/gnome/shell/gdm/batch.js:161:9 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 process@resource:///org/gnome/shell/gdm/batch.js:222:12 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 nextTask@resource:///org/gnome/shell/gdm/batch.js:161:9 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 process/signalId<@resource:///org/gnome/shell/gdm/batch.js:217:16 _emit@resource:///org/gnome/gjs/modules/signals.js:128:27 release@resource:///org/gnome/shell/gdm/batch.js:102:13 wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22 _blockTimedLoginUntilIdle/this._timedLoginIdleTimeOutId<@resource:///org/gnome/shell/gdm/loginDialog.js:1022:17
I encountered this as well but had not discovered the dependence on the login-screen "disable-user-list=true" setting. Thank you for posting!
It was confusing because AutomaticLogin still works (i.e., with RHEL 7.6 with the login-screen "disable-user-list=true" setting.)
Comment 5RHEL Program Management
2021-03-15 07:31:47 UTC
After evaluating this issue, there are no plans to address it further or fix it in an upcoming release. Therefore, it is being closed. If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.