https://bugs.kde.org/show_bug.cgi?id=498544
Bug ID: 498544
Summary: Maximizing a window by dragging it to the top of the
screen can cause a full system freeze
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: kostadinshishma...@protonmail.com
Target Milestone: ---
SUMMARY
Sometimes, when I drag a window to the top to maximize it, the whole system
freezes, requiring a full reboot.
It's not 100% reproducible, so you might need to drag the window down to
minimize it, and then back to the top of the screen to maximize it again in
order to cause the freeze.
Can't reproduce with 6.2.5, will try to bisect if I have the time.
STEPS TO REPRODUCE
1. Open a random window
2. Drag it to the top of the screen to maximize it
3. Whole system freeze
OBSERVED RESULT
Whole system freezes
EXPECTED RESULT
The window gets maximized without causing a system freeze
SOFTWARE/OS VERSIONS
Operating System: Gentoo 2.17
KDE Plasma Version: 6.2.90
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.12.9-gentoo-dist (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 30.9 GiB of RAM
Graphics Processor: AMD Radeon RX 6800
ADDITIONAL INFORMATION:
`kwin_wayland_wrapper[106933]: kwin_wayland_drm: Pageflip timed out! This is a
kernel bug` gets spammed in journalctl
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