Bug 354009

Summary:	interrupting the screen from turning off can result in unresponsive blank screen
Product:	[Unmaintained] kscreenlocker	Reporter:	kdebugs
Component:	general	Assignee:	David Edmundson <kde>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	bshah, justin.zobel, kde, kde, mgraesslin
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description kdebugs 2015-10-17 17:42:16 UTC

This is a companion bug to Bug 354008.  If that is fixed, presumably this will be also.

Reproducible: Always

Steps to Reproduce:
0. Set screen to turn off after 1 minute, and lock the screen (Ctrl+Alt+L). Wait ~1 minute.
1. Screen briefly displays the session that's supposedly locked.
2. Press any key or use the mouse while that screen is displayed (before it turns black).

Actual Results:  
When the screen is blanked, it will not continue on to turn off the screen.  Instead, you're left with a blank black screen.  The mouse cursor moves around okay, and you can, e.g., Ctrl+Alt+F1 to another TTY, but that's all you can do.  If you're patient and don't touch the keyboard & mouse and let it start to turn the screen off again (press a key AFTER the screen again goes blank - after it flashes the lockscreen), it will go back to the lock screen.


KDE Plasma 5.4.1, Qt 5.4.2, Kernel 4.1.0-2-amd64

Comment 1 kdebugs 2015-10-17 17:53:57 UTC

NB: Under "Actual Results": The order of screens is as follows:
1) The unresponsive blank black screen with mouse cursor only.
2) Briefly, the lock screen.
3) Briefly, the revealed session (see Bug 354008).
4) Back to the blank black screen with cursor which lingers for a couple seconds before turning off the video output.  This, or after the screen turns off is where you can press a key to return to the lock screen.  Mouse/keyboard input before this returns you to the blank unresponsive screen.

Comment 2 Martin Flöser 2015-12-15 17:39:38 UTC

@Kai: powerdevil <-> kscreen interaction problem?

Comment 3 sedrubal 2016-01-30 15:39:56 UTC

I think, I experienced this bug for several times, too.

Comment 4 Justin Zobel 2020-11-22 00:52:11 UTC

It appears Bug 354008 was closed as a duplicate of Bug 388384 and that has been resolved.

Can you please test and confirm if this issue is still occurring or if this bug report can be marked as resolved. I've set the bug status to "needsinfo" pending your response, please change back to "reported" or "resolved" when you respond, thanks.

Comment 5 Bug Janitor Service 2020-12-07 04:34:03 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 6 Bug Janitor Service 2020-12-22 04:34:52 UTC

This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!