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I noticed today after I locked my PC and returned a few hours later that my PC was not asleep. I went to check the Power Management settings but every time I went to System Settings -> Power Management, the settings panel froze. I terminated it when asked and tried again to the same result. I terminated System Settings again and reopened it and every other Settings page worked as expected. Then I went back to Power Management and it froze yet again. I rebooted my PC and everything worked as expected. System Settings -> Power Management loaded and Sleep worked. I did some digging and it found it may be related to plasma-powerdevil, but I don't exactly know what the issue would be. The logs I found are found here (https://pastebin.com/PknygjpW). It did happen a second time and I restarted the plasma-powerdevil service and afterwards Sleep worked. So not too sure what the exact issue is, but any help would be greatly appreciated! If there's anything I can provide, please let me know. Thanks!
Last edited by soccerbeast55 (2025-03-22 09:19:28)
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I am marking as SOLVED as I got a response from a KDE Contributer stating the following:
This looks like ddcutil (which is used by plasma-powerdevil) caused a hang, so powerdevil became unresponsive. A bug report was filed for a similar behavior as [Bug 500951](https://bugs.kde.org/show_bug.cgi?id=500951) and resolved by the ddcutil maintainer for the upcoming bugfix version 2.2.1. Hopefully that's the same root cause as the issue you're experiencing.
If you run Arch Linux, you can install the latest unreleased ddcutil through AUR, ddcutil-git package, until 2.2.1 is officially released. You can also disable the use of ddcutil for the time being, by setting the `POWERDEVIL_NO_DDCUTIL=1` environment variable [as described in the powerdevil README](https://invent.kde.org/plasma/powerdevi … rting-bugs). Thanks for everyone's efforts here to help figuring this out!
Last edited by soccerbeast55 (2025-03-22 19:09:30)
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