Bug 516094 - Blackscreen after login
Summary: Blackscreen after login
Status: REPORTED
Alias: None
Product: kwin
Classification: Plasma
Component: wayland-generic (other bugs)
Version First Reported In: 6.5.5
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2026-02-16 15:22 UTC by dougg0k
Modified: 2026-02-16 15:24 UTC (History)
0 users

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Description dougg0k 2026-02-16 15:22:45 UTC 
SUMMARY
I happened once or twice before where the screen were blackscreen after login, I had to turn on another monitor, then it appeared, but today, even with that didnt work, I had to use the Ctrl+Alt+F[1-6], with that it worked, but also today shortly after it crashed to the login screen and it even after typing the password again, it just didnt work. I had to restart to make it work. I have the logs available from the previous boot.


STEPS TO REPRODUCE
1. Simply login

OBSERVED RESULT
KDE went blackscreen.

EXPECTED RESULT
To work normally.

SOFTWARE/OS VERSIONS
Operating System: CachyOS Linux
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.2
Kernel Version: 6.19.0-2-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5800X3D 8-Core Processor
Memory: 32 GiB of RAM (31.2 GiB usable)
Graphics Processor: NVIDIA GeForce RTX 3080 Ti

ADDITIONAL INFORMATION
Logs - https://pastebin.com/PMdtLbxm
Comment 1 dougg0k 2026-02-16 15:24:57 UTC 
I had reported this before but wasnt able to get logs, I wonder if related. But not sure, since it wasnt happened again so far. It's rare like this issue.

https://bugs.kde.org/show_bug.cgi?id=515635