https://bugs.kde.org/show_bug.cgi?id=525944
Bug ID: 525944
Summary: KWin crash when dragging osu!lazer window from one
monitor to another
Classification: Plasma
Product: kwin
Version First 6.7.90
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Application: kwin_wayland (6.7.90)
ApplicationNotResponding [ANR]: false
Qt Version: 6.11.2
Frameworks Version: 6.30.0
Operating System: Linux 7.2.6-cachyos1.fc44.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 44 (KDE Plasma Desktop Edition)"
DrKonqi: 6.7.90 [CoredumpBackend]
-- Information about the crash:
Steps to reproduce:
1. Download the latest osu! tachyon release (2026.918.0-tachyon) from
[ppy/osu](https://github.com/ppy/osu/releases)
2. Run the game
3. Once in the main menu, use [Ctrl] + [O] to open the settings, find
`Graphics`, ensure that `Layout > Screen mode` is FullScreen
4. Enter desktop overview (The one that defaults to [Meta] + [W] in
systemsettings)
5. Drag osu! window from its current monitor to another
6. See crash
The crash can be reproduced every time.
-- Backtrace (Reduced):
#4 0x00007fc961f6611d in KWin::OffscreenData::paint(KWin::RenderTarget const&,
KWin::RenderViewport const&, KWin::EffectWindow*, KWin::Region const&,
KWin::WindowPaintData const&, KWin::WindowQuadList const&) () at
/lib64/libkwin.so.6
#5 0x00007fc961f66c58 in KWin::CrossFadeEffect::drawWindow(KWin::RenderTarget
const&, KWin::RenderViewport const&, KWin::EffectWindow*, int, KWin::Region
const&, KWin::WindowPaintData&) () at /lib64/libkwin.so.6
#6 0x00007fc961f3d89b in KWin::EffectsHandler::drawWindow(KWin::RenderTarget
const&, KWin::RenderViewport const&, KWin::EffectWindow*, int, KWin::Region
const&, KWin::WindowPaintData&) () at /lib64/libkwin.so.6
#7 0x00007fc961f3d89b in KWin::EffectsHandler::drawWindow(KWin::RenderTarget
const&, KWin::RenderViewport const&, KWin::EffectWindow*, int, KWin::Region
const&, KWin::WindowPaintData&) () at /lib64/libkwin.so.6
#8 0x00007fc961f65528 in KWin::OffscreenData::maybeRender(KWin::EffectWindow*)
() at /lib64/libkwin.so.6
#9 0x00007fc961f65992 in KWin::CrossFadeEffect::redirect(KWin::EffectWindow*)
() at /lib64/libkwin.so.6
#10 0x00007fc961f37730 in KWin::AnimationEffect::p_animate(KWin::EffectWindow*,
KWin::AnimationEffect::Attribute, unsigned int, std::chrono::duration<long,
std::ratio<1l, 1000l> >, KWin::FPx2, QEasingCurve const&, int, KWin::FPx2,
bool, bool, bool, KWin::GLShader*) () at /lib64/libkwin.so.6
#11 0x00007fc9620a7f7b in KWin::ScriptedEffect::animate(KWin::EffectWindow*,
KWin::AnimationEffect::Attribute, int, QJSValue const&, QJSValue const&,
unsigned int, int, int, bool, bool, unsigned int) () at /lib64/libkwin.so.6
#12 0x00007fc9620a8668 in KWin::ScriptedEffect::animate_helper(QJSValue const&,
KWin::ScriptedEffect::AnimationType) () at /lib64/libkwin.so.6
#13 0x00007fc9620a9af4 in KWin::ScriptedEffect::animate(QJSValue const&) () at
/lib64/libkwin.so.6
#14 0x00007fc9620adb89 in KWin::ScriptedEffect::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libkwin.so.6
#15 0x00007fc9620aeac7 in KWin::ScriptedEffect::qt_metacall(QMetaObject::Call,
int, void**) () at /lib64/libkwin.so.6
#16 0x00007fc960f5dfb2 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int,
void**) const () at /lib64/libQt6Qml.so.6
#17 0x00007fc960dc6244 in QV4::CallMethod(QQmlObjectOrGadget const&, int,
QMetaType, int, QMetaType const*, QV4::ExecutionEngine*, QV4::CallData*,
QMetaObject::Call) () at /lib64/libQt6Qml.so.6
#18 0x00007fc960dc86bd in QV4::QObjectMethod::callPrecise(QQmlObjectOrGadget
const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*,
QMetaObject::Call) () at /lib64/libQt6Qml.so.6
#19 0x00007fc960dc9e2d in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () at /lib64/libQt6Qml.so.6
Reported using DrKonqi
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