https://bugs.kde.org/show_bug.cgi?id=459286
Bug ID: 459286
Summary: [Regression, Bisected] Screen garbles/freezes when
changing resolution/refresh rate respectively.
Classification: Unclassified
Product: kwin
Version: 5.25.90
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Updating to Plasma 5.25.90 I noticed that whenever my screen refresh rate
changes (e.g. disconnecting/connecting the charger by a script) the screen
completely freezes (and if let sitting for a few minutes, then it also starts
to garble) and requires a reboot afterwards. Changing the screen resolution
garbles/corrupts the screen but returning to the previous resolution gets the
screen un-garbled.
STEPS TO REPRODUCE
1. Be on latest beta KWin release (5.25.90)
2. Change screen refresh-rate/resolution
OBSERVED RESULT
Screen freezes after changing refresh rate, requiring a reboot.
Screen garbles/corrupts after changing resolution, reverting the change "fixes"
it.
EXPECTED RESULT
Screen shouldn't freeze and/or garble.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.25.90
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Kernel Version: 5.19.9-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: AMD Ryzen 9 4900HS 8-Core Processor
Memory: 16GB of RAM
Graphics Processor: Integrated: Vega 8 Dedicated: NVIDIA GeForce RTX 2060
Max-Q
Manufacturer: ASUS (Zephyrus G15 GA502IV)
ADDITIONAL INFORMATION
Downgrading to KWin 5.25.5 fixes the issue, therefore I started to bisect and I
came to commit 4be81e01761dffff4f541c3b34bbf02f28d635fd to be causing the
issue.
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