[Bug 285803] graphics/nvidia-drm-66-kmod Suspend failure

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 01 Apr 2025 23:54:52 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285803

--- Comment #5 from Ben Hutton <ben@benhutton.com.au> ---
(In reply to Austin Shafer from comment #3)

Can you please capture a nvidia-bug-report.sh log? This is on Plasma 6 X11
correct? Does this happen with other desktop environments like xfce? I assume
it will.

- Have uploaded the log 
- Yes it is Plasma 6 X11
- It does fail with xfce as well.

Is this with the laptop in hybrid graphics mode or NVIDIA-only mode? Does doing
a regular VT switch to and from KDE work?

- Yes it's in hybrid mode
- It does do a VT switch to and from KDE

You should verify that hw.nvidiadrm.modeset=1 and hw.nvidiadrm.fbdev=0. If
you've installed things through ports this should be the case.

- Yes both are set as above

One of the other new things is GSP firmware being enabled on FreeBSD:
https://download.nvidia.com/XFree86/FreeBSD-x86_64/560.31.02/README/gsp.html

I would see if you can reproduce with disabling GSP, you should just be able to
add  hw.nvidia.registry.EnableGpuFirmware=0 to loader.conf.

- With hw.nvidia.registry.EnableGpuFirmware=0 set suspend now works

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