https://bugs.kde.org/show_bug.cgi?id=473460
Bug ID: 473460
Summary: Screen freezes when entering full screen or forcing
Adaptive Sync in Wayland session
Classification: Plasma
Product: kwin
Version: 5.27.7
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: ishido...@gmail.com
Target Milestone: ---
Created attachment 161012
--> https://bugs.kde.org/attachment.cgi?id=161012&action=edit
journalctl output for a boot with an attempt to set Adaptive Sync to Always;
system was manually reset after ~5s of freeze
SUMMARY
Full screen freeze (unable to move mouse cursor / switch to TTY) when either
entering full screen with Adaptive Sync set to Automatic or trying to set
Adaptive Sync to Always through Display Configuration.
STEPS TO REPRODUCE
1. Have Adaptive Sync set to Automatic
2. Open Firefox and try to enter a full screen (F11)
or
1. Open Display Configuration
2. Set Adaptive Sync to Always
3. Press Apply
OBSERVED RESULT
Screen freezes, mouse cursor is static, unable to switch to TTY
EXPECTED RESULT
No freeze
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20230813
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.108.0
Qt Version: 5.15.10
Kernel Version: 6.4.9-1-default (64-bit)
Graphics Platform: Wayland
Processors: 14 × AMD Ryzen 9 7950X 16-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 7900 XT
Manufacturer: QEMU
Product Name: Standard PC (Q35 + ICH9, 2009)
System Version: pc-q35-8.0
ADDITIONAL INFORMATION
I use a single 144Hz 4k monitor with 150% scaling.
Note that even though I currently use a VM with GPU passthrough this behaviour
was reproducible on bare metal.
It might have been introduced several months ago since I remember full screen
working fine previously on this installation.
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