https://bugs.kde.org/show_bug.cgi?id=427861
Adrian R changed:
What|Removed |Added
CC||k...@romanelli.info
--- Comment #91 from Adrian R ---
Wanted to add my thoughts, as my hunch is that KDE is getting confused between
the primary and secondary monitors at login.
TL;DR: Two monitor setup. Left monitor plugged into first port which is
DisplayPort, right monitor plugged into HDMI port. RX 580 card considers
DisplayPort-connected monitor as the 'primary' by default. I've override
'primary' monitor in KDE via the KDE settings. When logging in the mouse
pointer is on the left/HDMI/new-primary monitor, the vertical typing cursor is
on the left/HDML/new-primary monitor, but the character dots to show typing is
occurring displays on the right/DisplayPort/overriddden-not-primary-now monitor
as typing is done. Wallpaper/settings lost on
right/DisplayPort/overridden-not-primary-now monitor.
Full description ...
I have an AMD RX 580 video card, with the left monitor plugged into the HDMI
port, and the right monitor plugged into the DisplayPort port. Both monitors
are the same make/model, identify as "Sceptre Tech Inc E246W-1080p 16843009".
I've noticed that the problem triggers often for me when I'm logging in.
Specifically, on my dual monitor setup, the vertical typing cursor is on the
HDMI/left monitor, but when I start typing the circle/dots that represent
characters being typed is display on the DisplayPort/right monitor, even though
the vertical typing cursor continues to show on the first monitor.
On boot up my PC initially wants to treat the DisplayPort/right monitor as the
primary, but I've overrode KDE (via right click on 'configure desktop'
settings) to have the HDMI/left monitor set as my primary, and have the KDE
taskbar display on it.
I can *almost* recreate this bug at will. It does happen about 50-75% of the
time. The other times when things work correctly, when I login I type and
character typing dots appear on the left/HDMI monitor, which is the overridden
'primary' monitor. One time, and one time only, I lost the wallpaper on the
HDMI/left monitor as well as the DisplayPort/right monitor. All other times it
was just the DisplayPort/right monitor that loses the wallpaper settings.
Maybe there's some race condition with KDE in telling itself which is the
primary monitor, when the (from hardware point-of-view) default monitor isn't
the primary? Because of this confusion settings files are not read/written
correctly?
Feel free to contact me if you need more info or any testing done.
---
Operating System: Kubuntu 22.04
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3
Kernel Version: 5.15.0-41-generic (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 5800X 8-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 580 Series
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