SUMMARY STEPS TO REPRODUCE 0. You have nvidia GPU 1. Install "nvidia-driver" from deb.debian.org via apt 2. Reboot 3. On Login screen, try to log in. OBSERVED RESULT The login scrren went black, and revert to login screen. The user is unable to login. Selecting "X11" under the selection menu workaround the problem, but this situation is not noob-friendly at all. EXPECTED RESULT The login screen is an important GUI. Please don't crash. SOFTWARE/OS VERSIONS Windows: macOS: (available in the Info Center app, or by running `kinfo` in a terminal window) Linux/KDE Plasma: Debian Stable Latest KDE Plasma Version: Debian Stable Latest KDE Frameworks Version: Debian Stable Latest Qt Version: Debian Stable Latest ADDITIONAL INFORMATION
Same bug https://forums.debian.net/viewtopic.php?t=154887 https://forum.endeavouros.com/t/kde-wayland-nvidia-not-working-black-screen-on-login/39935