Bug 512401

Summary: KWin Wayland aborts when fbdev=0 and only card1 is present (NVIDIA DRM)
Product: [I don't know] kde Reporter: proteus5
Component: generalAssignee: Unassigned bugs <unassigned-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: normal CC: nicolas.fella
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: terminal data

Description proteus5 2025-11-20 18:13:19 UTC
Created attachment 186998 [details]
terminal data

Steps to Reproduce:
1 Set nvidia-drm.fbdev=0 in grub file
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nvidia-drm.modeset=1 nvidia-drm.fbdev=0"
2 update-grub (by terminal);
3 reboot and access Wayland session;
4 DRM check: ls -l /dev/dri/
5 journalctl -b --user-unit=plasma-kwin_wayland.service | grep drm
6 result: kwin_wayland_drm: failed to open drm device at "/dev/dri/card0"
System Information:

KDE Neon 6.5.2

Wayland session

Plasma 6.5.2 (KWin 6.5.2)

Kernel 6.14.0-36-generic

NVIDIA GT 1030, driver 5xx
Comment 1 Nicolas Fella 2025-11-20 21:12:23 UTC

*** This bug has been marked as a duplicate of bug 511646 ***