https://bugs.kde.org/show_bug.cgi?id=466620

--- Comment #17 from Chema <rondo...@gmail.com> ---
Sorry, not true, the new kernel doesn't fix the Powerdevil problem...

I explain what has happened. I have a bi-directional EDID emulator connected to
the HDMI output. This small connector is used to fool the computer into
thinking that it is still receiving the HDMI signal from the monitor even if
the HDMI cable is disconnected or other computer is active on a KVM switch.

It is mainly used with KVM switches since it allows you to switch between
computers instantly since it does not have to recover or readapt the video
signal on the monitor when you change computers since the EDID emulator has it
saved. It also has another function and that is to be able to use the computer
with the monitor disconnected for remote control sessions with applications
such as VNC, AnyDesk, etc.

That's why the test worked for me, because I didn't realize when I did it that
I had this little connector connected and then even if I changed the computer
on the KVM switch, the Powerdevil continued to detect the HDMI signal and
that's why it didn't fail. You can buy one of these plugs, it will solve the
problem of the Powerdevil and they are not expensive at all.

What is clear with this test is that the failure is in the interruption of the
HDMI signal, at the moment it is cut, the Powerdevil crashes. If the EDID
emulator is connected and the computer is still receiving a 'ghost' HDMI signal
(provided by the EDID emulator), the Powerdevil does not fail and you can
switch between computers without problem.

What is certain is that with this version of the kernel one of the errors that
it had has been fixed. With the version prior to 6.2.2, if the KDE + Wayland
computer was suspended while having the bi-directional EDID emulator, switched
to the Windows computer, and then went back to the Linux computer and woke it
up, the KDE + Wayland session was completely locked and it was impossible to
recover it (in X11 it worked fine). After installing kernel 6.2.2 now this
problem in Wayland seems to be fixed.

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