On Sat, 3 Jan 2026 11:02:40 +0800
Ben Hutton <[email protected]> wrote:

> Hi,
> 
> Since I upgraded the drm drivers about a week ago I’ve been having issues. 
> Either I can get XFCE performing correctly with the Intel GPU or suspend but 
> not both. I was able to roll back to and older Current version 1600004 and 
> get old versions of the DRM drivers installed which get it working. Basically 
> it was been about a week of painful trial and error working out what is going 
> on.
> 
> 1. XFCE is unusably slow when switching to laptop only screen. It works 
> perfectly when using an external screen. Being a hybrid graphics laptop I’m 
> assuming the Intel drivers aren’t working and the Nvidia is working perfectly 
> fine.
> 2. If using XFCE suspend no longer works. 
> 
> Curiously it seem to work ok on KDE Plasma 6. 
> 
> I’m currently running Current with drm-66-kmod and the equivalent Nvidia 
> drivers. Curiously installing older versions of the Nvidia drivers will get 
> XFCE performing better however it then breaks suspend. I’m suspecting 
> something is going wrong with the switchover from Nvidia to intel drivers. 
> Quite often when you disconnect the external screen you get a black screen on 
> the laptop where the mouse still works but nothing else. I’ve had this before 
> when hybrid graphics mode is not working correctly. If I plug in the and 
> disconnect the external screen it tends to work the second time. This wasn’t 
> happening before.
> 
> Before updating the DRM drivers it was working very well with XFCE with 
> suspend working most of the time.
> 
> Is there a way I can work out what is actually failing. I’ve looked in 
> /var/log/messages but so far haven’t found any errors that would give any 
> idea of what’s going on.
> 
> 
> Ben Hutton
> [email protected]
> 0434 211 939

Hi.

At which commit your main (16-Current) installation is?

Are you building from ports? Or using pkg?
At which branch of ports tree (or pkg repo) are you using?
Latest (aka main)? Or quarterly (for now, still 2025Q4)?

If you're using ports, at which commit your ports tree is?

How pkg (8) says on:
  `pkg version -v | grep nvidia`
  `pkg version -v | grep drm`

How do you configure nvidia drivers?
Using graphics/nvidia-drm-*-kmod[-devel] that corresponds
to matching graphics/drm-*-kmod?

Or using graphics/drm-*-kmod for iGPU with internal display
and x11/nvidia-kmod* with corresponding x11/nvidia-driver*
for nvidia dGPU with external display only?

IIRC, there were some laptops allowing such a configuration
but disallowing internal display to be used by nvidia dGPU
unless hybrid graphics (Optimus) is in use.

Anyway, at least your main (16-Current) installation is already
outdated. (Currently at #define __FreeBSD_version 1600007.)

Seemingly there's nothing I can help further if nvidia
dGPU is sanely working. But info above would help digging
into by DRM guys.

Regards.

-- 
Tomoaki AOKI    <[email protected]>

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