https://bugs.kde.org/show_bug.cgi?id=489592
Bug ID: 489592
Summary: Plasma/wayland starting from sddm in black screen,
crashes then exits (on multimonitor(=)
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.1
Platform: NixOS
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: spiderunderur...@proton.me
Target Milestone: ---
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SUMMARY
STEPS TO REPRODUCE
1. Be on Nixos (maybe its nixos specific, maybe the unstable channel as I am on
that)
2. Install KDE plasma
3. Have a monitor and plug it in
4. POTENTIAL FACTOR -> Have a igpu and dgpu (nvidia) with optimus
5. Try the wayland session
OBSERVED RESULT
The wayland session, when I start it from SDDM, it will remain as a black
screen, with a loading icon sometimes, then after a short while, like 10 or
more seconds, it seemingly crashes and sends me back to sddm. This is not a
issue with x11 (on multimonitor)
EXPECTED RESULT
It should load up the same way x11 does, and not crash and return to sddm
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: NixOS 24.11.20240627.b2852eb (Vicuna) x86_64
(available in About System)
KDE Plasma Version: 6.1.1
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
I made a post about this on reddit including a VIDEO of the issue, and I
mention some things about hardware,
https://www.reddit.com/r/linuxquestions/comments/1dr4q1u/wayland_and_multimonitor_not_working_on_nixos/
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