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kscreenlocker - bug fixed but remains?
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piii_man
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Joined: 18 Jul 2004
Posts: 36

PostPosted: Sat May 13, 2023 12:02 am    Post subject: kscreenlocker - bug fixed but remains? Reply with quote

Hi all,

There was a bug in kscreenlocker that was fixed in plasma 5.27. I believe I am still seeing the bug, but I'm not sure if it's something else on my system. Briefly, the bug is that when a process inhibits sleep it also prevents the monitor from shutting off on inactivity, but these states should be independent.

First, let me level set, I'm running kscreenlocker-5.27.4, I believe the bug should be fixed in this version. On a Debian 12 system I do not see this bug with kscreenlocker 5.27.2-1

It would be great if someone could verify they are seeing the same behavior on an up-to-date Gentoo box. To reproduce, set your screen switch off time to 1 min in System Settings->Energy Saving and run
Code:
sudo systemd-inhibit --what="sleep" --who="test" --why="test" --mode="block" sleep 1000


If your screen doesn't shut off in approx 1 min, that would be a positive confirmation of the bug.

To be clear, my screen shuts off just fine without the sleep inhibit in place.
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piii_man
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Joined: 18 Jul 2004
Posts: 36

PostPosted: Sat May 13, 2023 3:30 am    Post subject: Reply with quote

This was a false alarm apologies. I may have discovered another bug, but I'll take care of that with KDE bugtracking. I'm embarrassed to admit the command above passes on gentoo too. I was using a script which ran that command, but it was inhibiting sleep multiple times per minute, each time the lock is taken to inhibit sleep sleep the timeout for screen switch-off is reset as well. I will check with the KDE developers to see if this is intended behavior.
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