https://bugs.kde.org/show_bug.cgi?id=521909
Bug ID: 521909
Summary: KWin 6.7.0 crashes with
RenderLoop::activeWindowControlsVrrRefreshRate on
NVIDIA RTX 5080 (3-monitor setup)
Classification: Plasma
Product: kwin
Version First 6.7.0
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Fedora 44 KDE Plasma 6.7.0 + NVIDIA RTX 5080 multi-monitor corruption after
login
System:
- Fedora 44 KDE
- Plasma/KWin/KScreen 6.7.0-1.fc44
- NVIDIA RTX 5080
- NVIDIA driver 595.80
- Kernel tested: 7.0.12-201.fc44 and 7.0.11-200.fc44
- Three monitors: center 2560x1440, left/right 1920x1080
Problem:
After transaction 224 upgraded Plasma/KWin/KScreen from 6.6.5 to 6.7.0,
SDDM/login screen renders correctly across all three displays. After login,
Plasma corrupts the desktop rendering. On X11 the center display renders
incorrectly; on Wayland the failure changes location. Older kernel did not
resolve it.
Important log evidence:
KWin crash log references:
KWin::RenderLoop::activeWindowControlsVrrRefreshRate()
Also seeing NVIDIA/EDID related warnings.
What I tried:
- Reboot
- X11 and Wayland sessions
- Older kernel 7.0.11
- Reset KScreen/Plasma monitor config
- Re-applied xrandr layout
- Confirmed NVIDIA driver loads
- Confirmed monitor geometry is detected correctly
- Windows drives all three monitors normally
This looks like a regression in Plasma/KWin/KScreen 6.7.0 with
NVIDIA/multi-monitor/VRR handling.
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