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Quick powerdevil question: Power management is configured in systemsettings to switch my monitor off after 10 minutes. It does not do so.

Here is a a relevant excerpt from "journalctl |grep powerdevil"

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Sep 29 01:04:01 spike org_kde_powerdevil[29868]: powerdevil: Scheduling inhibition from ":1.18" "/bin/chromium-browser" with cookie 218 and reason "Playing video"
Sep 29 01:04:01 spike org_kde_powerdevil[29868]: powerdevil: Scheduling inhibition from ":1.394" "/bin/chromium-browser" with cookie 219 and reason "Playing video"
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Enforcing inhibition from ":1.18" "/bin/chromium-browser" with cookie 218 and reason "Playing video"
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Added change screen settings
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Added interrupt session
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Disabling DPMS due to inhibition
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Enforcing inhibition from ":1.394" "/bin/chromium-browser" with cookie 219 and reason "Playing video"
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Added change screen settings
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Added interrupt session
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Can't contact ck
Sep 29 01:04:06 spike org_kde_powerdevil[29868]: powerdevil: Can't contact ck


So, it seems chromium is holding up powerdevil - it won't power down the display because it thinks I'm watching a video in a browser.

So I killed chromium-browser and went away expecting this would allow the display to power down. It didn't.

I've found out a little bit about this from googling around. There is one issue I'm not suffering from; my system has shutdown and suspend options when prompted to leave. This was the primary reason I found for support tickets filed about consolekit and powerdevil in other distributions. On my desktop, It seems powerdevil isn't running as a service and neither is ConsoleKit. I can't locate anything about consolekit on my system or in the repos. Should I be running a consolekit service? If not, what is powerdevil complaining about and what do I do to satisfy it?

Any help?

Thanks.

powerdevil is not complaining about anything, it's just telling you that there are inhibitors which asked to disable DPMS. Please show the output as root of

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systemd-inhibit --list

powerdevil is not running as a system service but as a service started by your KDE session, and consolekit is old legacy stuff.