https://bugs.kde.org/show_bug.cgi?id=480407
Bug ID: 480407
Summary: Black Screen on Dual Monitor Setup when Display Scale
Set Above 100%
Classification: Plasma
Product: plasmashell
Version: master
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: sparky123558w...@gmail.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
Hey, I was testing out Plasma 6 on Neon Unstable to see how Nvidia on Wayland
would be. I have two 1440p / 165Hz monitors being driven by an nvidia rtx
3080. I tried setting the display scale to 125% as well as 150% on each
monitor, but both times I would log out and then back in the left monitor would
have a black screen. I can see the cursor as well as the panel. It is just the
wallpaper that is missing. Right clicking the black background and trying to
change the wallpaper does not help in this state. Setting the display scale
back to 100% on both monitors. This brings back the wallpaper.
STEPS TO REPRODUCE
1. Open system settings and go to display.
2. Set scale for both monitors to something greater than 100%.
3. Log out and then back in.
OBSERVED RESULT
Before logging out and back in I see that the first monitor starts to overlap
the second. After logging out and back in. The wallpaper on the first monitor
is gone, but it is still present on the second. Another thing I noticed is that
the splash screen only displays on the second monitor when logging in. It does
not display on the first monitor which has its wallpaper missing.
EXPECTED RESULT
Wallpaper, splash screen, etc should be present at the correct scale.
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 6.0.80
KDE Frameworks Version: 5.249.0
Qt Version: 6.6.1
Kernel Version: 6.5.0-15-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5800X 8-Core Processor
Memory: 62.7 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 3080/PCIe/SSE2
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7C95
System Version: 1.0
ADDITIONAL INFORMATION
Maybe unrelated but when I set the display scale back to 100%. It seems as if
the panels take around 10 seconds to appear now.
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