https://bugs.kde.org/show_bug.cgi?id=501935
Bug ID: 501935
Summary: Plasma crashes when I connect external monitor on
laptop with Nvidia Optimus (X11 or Wayland)
Classification: Plasma
Product: plasmashell
Version: master
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Session Management
Assignee: plasma-b...@kde.org
Reporter: losogu...@gmail.com
CC: natalie_clar...@yahoo.de
Target Milestone: 1.0
STEPS TO REPRODUCE
1. Laptop with discrete Nvidia 1050Ti
2. Installed optimus-manager
3. Log in on built in monitor
4. Connect external monitor
OBSERVED RESULT
Desktop unresponsive
EXPECTED RESULT
Desktop work normally. No need for additional actions.
SOFTWARE/OS VERSIONS
Linux: 6.13.8-arch1-1 (64-bit)
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
Every time I want to connect external monitor I need to press
Ctrl+Alt+Backspace (restart X server I guess) because after connecting external
monitor desktop is unresponsive. Same issue on X11 and Wayland. I use
optimus-manager because I need to force Nvidia card as my main GPU for desktop
rendering. My integrated Intel® UHD Graphics 630 is too weak for desktop
rendering. It struggles to have 60 FPS on external monitor. But on built in
monitor everyting works fine. I noticed this bug after updating to Plasma 6.
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