https://bugs.kde.org/show_bug.cgi?id=466620
Bug ID: 466620
Summary: The bug I reported a few days ago with Powerdevil
continues to occur (power management options stop
working).
Classification: Plasma
Product: Powerdevil
Version: 5.27.2
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: rondo...@gmail.com
CC: m...@ratijas.tk
Target Milestone: ---
Created attachment 156838
--> https://bugs.kde.org/attachment.cgi?id=156838&action=edit
Powerdevil error log
SUMMARY
***
The bug I reported a few days ago with Powerdevil continues to occur (power
management options stop working).
***
STEPS TO REPRODUCE
After installing KDE 5.27.2 I see that the error with Powerdevil continues to
occur.
I have done some more testing and have been able to pinpoint a bit more when
the problem occurs.
The bug is independent of the installed kernel version, contrary to what I
reported at first.
I see that the failure occurs when the computer loses the HDMI signal for a
period of about 15 minutes. I don't mean just the monitor turning off, I mean
completely losing the signal to the monitor by unplugging the cable (or
switching the active computer on a KVM switch, which would be the same result).
I have done 2 tests.
Test 1:
1. Having two computers connected to a KVM switch (IMPORTANT: without it having
EDID emulation).
2. Boot computer 1 with Linux. Logging in KDE.
3. Now through the KVM switch, pass control to computer 2, in such a way that
computer 1 loses the HDMI signal.
4. Wait around 15 minutes.
5. Return control now to computer 1.
6. Go to the power management option in Settings. Now the following error will
be displayed:
"Power Management configuration module could not be loaded.
The Power Management Service appears not to be running".
Test 2: (without KVM switch)
1. Boot the computer with Linux. Logging in KDE.
2. Disconnect the HDMI cable from the computer.
3. Wait around 15 minutes.
4. Reconnect the HDMI cable to the computer.
6. Go to the power management option in Settings. Now the following error will
be displayed:
"Power Management configuration module could not be loaded.
The Power Management Service appears not to be running".
Looking at the logs in KSystemLog (which I attached), I see that it is leaving
this error related to Power Management:
2/28/23 20:12 systemsettings Failed to query platform profile choices "The name
org.kde.Solid.PowerManagement was not provided by any .service files"
2/28/23 20:12 systemsettings Failed to query platform profile choices "The name
org.kde.Solid.PowerManagement was not provided by any .service files"
2/28/23 20:12 systemsettings Failed to query platform profile choices "The name
org.kde.Solid.PowerManagement was not provided by any .service files"
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.2.1-x64v3-xanmod1 (64-bit)
Graphics Platform: Wayland
Processors: 8 × AMD Ryzen 5 3550H with Radeon Vega Mobile Gfx
Memory: 29,3 GiB of RAM
Graphics Processor: AMD Radeon Vega 8 Graphics
Manufacturer: BESSTAR TECH LIMITED
Product Name: UM350
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