FreeBSD-12.1 on laptop

Kurt Buff - GSEC, GCIH kurt.buff at
Thu Nov 28 18:51:54 UTC 2019

Laptops with two graphics processors typically use the most powerful
one only to drive external monitors, and possibly only through a
docking station, though I'm not as clear on that point.


On Thu, Nov 28, 2019 at 11:32 AM Kurt Hackenberg <kh at> wrote:
> On 2019-11-28 08:02, Polytropon wrote:
> > The drm.ko module is also loaded. You'll need to have your
> > username be a member of the "video" group to make it actually
> > work for direct rendering in X, if I remember correctly.
> >
> > But why did you also load the nvidia kernel module? It shouldn't
> > be there if you're using an Intel GPU. This matches the unneeded
> > nvidia X11 driver...
> At one point, vm finance told us that computer has an Nvidia graphics
> processor:
> > I actually have "Pro-level NVIDIA® Quadro® P500 graphics" on my P52S
> > Thinkpad.
> Maybe that's true. Maybe that computer has both that and an Intel
> graphics processor that's part of the main processor.
> A web search finds that Lenovo used to sell a ThinkPad P52S, but doesn't
> anymore. Ads for that computer confirm that it has "Pro-level NVIDIA®
> Quadro® P500 graphics", and say the processor is an Intel i7-8550U,
> which includes "Intel® UHD Graphics 620", which apparently is a graphics
> processor packaged with the main processor.
> So, vm finance, it looks like that computer has two graphics processors.
> Which one do you want to use? I guess the Nvidia graphics processor is
> probably faster.
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