maintainer-feedback requested: [Bug 289647] graphics/drm-61-kmod: X11 with nvidia-drm-61-kmod fails to start after commit ac934345a14f

Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-x11 (Nobody)
<x11@FreeBSD.org> for maintainer-feedback:
Bug 289647: graphics/drm-61-kmod: X11 with nvidia-drm-61-kmod fails to start
after commit ac934345a14f
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289647



--- Description ---
After upgrading graphics/drm-61-kmod to commit ac934345a14f, X11 with
graphics/nvidia-drm-61-kmod hesitates to start with error logged in
/var/log/Xorg.0.log like below (relevant parts only).

stable/15, amd64 at commit base 1aad58b919d3.

No differences in dmesg between previous version and problematic version which
relates with VGA / GPU.

Not tested drm-66-kmod and corresponding nvidia-drm-66-kmod.

Related thread at freebsd-ports ML:
  https://lists.freebsd.org/archives/freebsd-ports/2025-September/008467.html


===== Part of /var/tmp/Xorg.0.log =====

  (snip)

[   138.092] (WW) modeset(0): Option "PrimaryGPU" is not used
[   138.093] (EE) modeset(0): [DRI2] No driver mapping found for PCI device
0x0000 / 0x0000
[   138.093] (EE) modeset(0): Failed to initialize the DRI2 extension.

  (snip)

[   138.316] (EE) modeset(0): Failed to create pixmap
[   138.316] (EE) 
Fatal server error:
[   138.316] (EE) failed to create screen resources(EE)