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Tasklist

FS#59750 - [xorg-server] lightdm: screen is not turned on when dm-tool is called with de lock command

Attached to Project: Arch Linux
Opened by Xoan Sampaiño (xoan) - Wednesday, 22 August 2018, 09:42 GMT
Last edited by Andreas Radke (AndyRTR) - Thursday, 28 November 2019, 18:33 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To No-one
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 7
Private No

Details

Description: When session is locked either using dm-tool or light-locker, lightdm greeter is functional (you can type your password and press Enter to unlock the session) but screen is not turned on, and remains turned off even when you move the mouse or press any key.

Although, it doesn't occur when you close your session instead locking it.

Additional info:
* xorg-server 1.20.1-1
* lightdm 1:1.26.0-1
* xfce4-session 4.12.1-8

Steps to reproduce:
* Start your session in Xfce desktop
* Lock this session
* Screen is turned off but not turned on when you move the mouse
* You can type the password and press Enter to unlock the session

Downgrade to xorg-server{,-common} 1.20.0-9 makes the screen works as expected when you lock your Xfce session.
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Thursday, 28 November 2019, 18:33 GMT
Reason for closing:  Fixed
Comment by Doug (neo-alquimista) - Sunday, 02 September 2018, 15:52 GMT
Switching out and then switching back to tty7 restores visibility of the lock screen. I'm also on xfce4 using lightdm + light-locker.
Comment by Greg F (fzdz) - Sunday, 02 September 2018, 16:13 GMT
I'm also observing the same behavior from lightdm with both dm-tool/light-locker. I'm using AwesomeWM instead of XFCE though.

xorg-server 1.20.1-1
lightdm 1:1.26.0-2
awesome 4.2-1
Comment by Greg F (fzdz) - Tuesday, 04 September 2018, 12:38 GMT
I've also noted that if i lock the session and then walk away (for a longer period of time), when I return moving the mouse or any other activity does display the lock screen.
Comment by Thomas Millward Wright (ttrmw) - Tuesday, 11 September 2018, 14:21 GMT
same symptoms, with i3 switching to tty7 bypasses the lock screen entirely.....!
Comment by Bapung (bagaspurwas) - Monday, 22 October 2018, 15:35 GMT
I can confirm this in my setup. Same xorg-server and lightdm version as TS.
Using dm-tools, light-locker, and slock result in the same situation.
Comment by Xoan Sampaiño (xoan) - Thursday, 25 October 2018, 10:53 GMT
Still present in xorg-server 1.20.2-1
Comment by Greg F (fzdz) - Saturday, 26 January 2019, 23:11 GMT
The issue is also still present with xorg-server 1.20.3-1
Comment by Xoan Sampaiño (xoan) - Sunday, 24 November 2019, 19:24 GMT
I try to enable light-locker again with the last xorg-server upgrade (1.20.6-1) and issue seems to be not present anymore.

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