https://bugs.kde.org/show_bug.cgi?id=466506
Bug ID: 466506
Summary: With two different DPI monitors, to achieve the same
font sizes as 5.26.*, I have to disable the GNOME/GTK
Settings Synchronisations Service.
Classification: Plasma
Product: kwin
Version: 5.27.1
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: xrandr
Assignee: kwin-bugs-n...@kde.org
Reporter: mich...@actrix.gen.nz
Target Milestone: ---
Created attachment 156776
--> https://bugs.kde.org/attachment.cgi?id=156776&action=edit
kscreen-doctor -o
SUMMARY
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STEPS TO REPRODUCE
1. Connect two monitors, one 4k, one 1920x1200 (or similar)
2. Login to a desktop session
3. Inspect apparent font sizes in KDE and GTK application windows
OBSERVED RESULT
The KDE and GTK application fonts are tiny in comparison to 5.26.*
EXPECTED RESULT
The KDE and GTK application fonts are the same size as in 5.26.*
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.27.1
KDE Frameworks Version: 5.15.8
Kernel Version: 6.1.12-1-default (64 bit)
Graphics Platform: X11
OS: OpenSUSE Tumbleweed 20230225
ADDITIONAL INFORMATION
I went to KDE settings->Workspace->Startup and Shutdown->Background Services
and disabled the KDE service, and now everything is back to normal.
This happens on both a standard configured login, and my personal login that
differs in the following respects:
1) I disable kscreen2 to prevent hotplug actions from moving applications from
one display to another.
2) I configure the multiple displays both using Settings Display and Monitor
and also nvidia-config.
3) I have /etc/X11/xinit/xinitrc.d/50-xrandr.sh run
xrandr --output DP-4 --auto --output DP-0 --auto --scale 1.75x1.75
--right-of DP-4
Regardless of whether I use a standard login or my personal customised login,
to achieve the same font sizes as 5.26.*, in 5.27.1 I have to disable the
GNOME/GTK Settings Synchronisations Service.
I suspect the GNOME/GTK Settings Synchronisations Service, I suspect it is
overwriting .config/xsettingsd/xsettingsd.conf. At one stage I tried manually
setting the DPI in xsettingsd.conf. But when I login, the config file gets
changed back to 98304, which means 96 dpi (98304/1024=96).
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