https://bugs.kde.org/show_bug.cgi?id=470189
Bug ID: 470189
Summary: One of two screens randomly goes white and blank after
wake up
Classification: Plasma
Product: kwin
Version: 5.27.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: kwin-bugs-n...@kde.org
Reporter: cuihao....@gmail.com
Target Milestone: ---
Created attachment 159217
--> https://bugs.kde.org/attachment.cgi?id=159217&action=edit
The right screen turns white
SUMMARY
I connect two monitors to my PC. Recently, after I wake up the monitors from
power saving, the right one of them (which is set to non-primary) sometimes
goes white and blank. Only mouse cursor is visible. Please see the attachment
for picture.
When I move the cursor, it still interacts with windows on that screen. I can
notice changes of cursor shapes, and even pull windows out from that screen.
Turning off+on / Unplugging+Plugging the screen doesn't fix. "killall -9
kwin_wayland" fixes the screen at the cost of losing all windows.
STEPS TO REPRODUCE
1. Let the screens sleep.
2. Wake them up.
OBSERVED RESULT
The right one of the two screens sometimes becomes white.
EXPECTED RESULT
Both screens are usable.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.15.9
Kernel Version: 6.3.3-arch1-1 (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Graphics:
Device-1: NVIDIA TU117 [GeForce GTX 1650] driver: nvidia v: 530.41.03
Device-2: AMD Raphael driver: amdgpu v: kernel
Device-3: Logitech Webcam C270 driver: snd-usb-audio,uvcvideo type: USB
Display: wayland server: X.org v: 1.21.1.8 with: Xwayland v: 23.1.1
compositor: kwin_wayland driver: X: loaded: modesetting dri: radeonsi
gpu: nvidia,amdgpu resolution: 1: 1920x1080 2: 1920x1080
API: OpenGL v: 4.6 Mesa 23.0.3 renderer: AMD Radeon Graphics (gfx1036
LLVM 15.0.7 DRM 3.52 6.3.3-arch1-1)
The two screens are both connected to the integrated AMD GPU. The left one is
connected to the DisplayPort, the right one to the HDMI port.
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