https://bugs.kde.org/show_bug.cgi?id=489638

--- Comment #12 from Eduard <jongedu...@hotmail.com> ---
(In reply to Gabriel Barros from comment #11)
> (In reply to thePanz from comment #9)
> > Might be related to: https://bugs.kde.org/show_bug.cgi?id=489259 ?
> 
> Do not think so. I can hold Meta+V and the window keeps flashing forever. I
> cannot make it crash this way alone.
> 
> I also never saw the log-off like Eduard (and from other reporters also not
> seeing it, I think Eduard might be tying their xsession to kwin somehow so
> the session is lost when it restart? is that even possible?)

Hi Gabriel I think you kind of have a point.
Meanwhile, after replying here I have switched from using my LightDM display
manager to using SDDM, because of more general stability issues which I
experienced when logging into into a Plasma Wayland session.
Possibly it's all related to the problems described here - I was not fully
aware of that though, but this is what I am starting to think right now based
on your question.

I know LightDM still runs on X11, while it looks like SDDM uses Wayland, or at
least by default now (I noticed that the X11 DPI scaling setting for SDDM has
no effect on it for example).

The reason I was using LightDM in the first place is because my switch to
actually using KDE Plasma as my daily desktop on this Arch system is pretty
new.
I have been using Xfce on this laptop all the time and it's still installed
(which is fine). Other desktops did I all have on other installed systems that
I boot less often and in virtual machines.

The biggest issue that I turned out to experience was that at a regular base my
system completely froze when login into Plasma, so bad that it became totally
unresponsive (TTY switch not working).
On the many other moments where login succeeded the login happened with a kind
of slowness and black screen moment, not nice.
With also having a Wayland display manager running, that issue seems to be
solved, not only no crashes anymore, but not that rough transition anymore.

Are there also generally known issues around this that you or someone else know
about? For example some graphical resources related conflict between X display
manager and the Wayland desktop? Just a guess.

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