Re: bhyve nvidia gtx-1650 mobile passthru on win11

Hello Corvin,

about point 1) : Nuno is trying to enable the passthru of his nvidia-gpu on
Windows 11. Is your patch intended to work for Windows ? If yes,I would be
ready to test it on my system.

On Mon, Dec 18, 2023 at 11:02 AM Corvin Köhne <corvink@freebsd.org> wrote:

> On Sat, 2023-12-16 at 16:07 +0000, Nuno Teixeira wrote:
> > Hello all,
> >
> > Specs:
> > - laptop with integrated intel + dedicated nvidia
> > - 15-CURRENT 3b1904d9eb04 amd64
> > - win11 with nvme and tpm
> >
> > I'm sharing my results with nvidia passthru:
> > ###
> > /boot/loader.conf.local:
> > vmm_load="YES"
> > pptdevs="1/0/0 1/0/1"
> >
> > ppt0@pci0:1:0:0:        class=0x030000 rev=0xa1 hdr=0x00
> > vendor=0x10de device=0x1f99 subvendor=0x17aa subdevice=0x3fa5
> >     vendor     = 'NVIDIA Corporation'
> >     device     = 'TU117M [GeForce GTX 1650 Mobile / Max-Q]'
> >     class      = display
> >     subclass   = VGA
> > ppt1@pci0:1:0:1:        class=0x040300 rev=0xa1 hdr=0x00
> > vendor=0x10de device=0x10fa subvendor=0x17aa subdevice=0x3ffb
> >     vendor     = 'NVIDIA Corporation'
> >     class      = multimedia
> >     subclass   = HDA
> >
> > bhyve:
> > -s 6:0,passthru,1/0/0 -s 6:1,passthru,1/0/1
> > ###
> >
> > - Installed nvidia drivers without problems
> > - graphic card is detected but is deactivated with a triangle and a
> > "!":
> >   "Windows stopped this device... code 43"
> > - hda is detected and shows no problem
> >
> > I've read that some nvidia cards are working...
> > Any tips are welcome.
> >
> > Not sure if it is possible to use intel integrated as it is already
> > in use by OS.
> >
> > Thanks,
> >
> > --
> > Nuno Teixeira
> > FreeBSD Committer (ports)
>
> Hi,
>
> nvidia:
> At the moment, nvidia gpu passthrough is not supported by upstream. I
> have a small patch stack for nvidia [1] but it's not well tested and I
> don't know for which guests and cards it works.
>
> amd:
> Should work properly on 13.2, 14.0 and onward. Note that there's a
> hardware bug on many cards [2].
>
> intel:
> Requires a patched EDKII firmware [3]. Unfortunately, it's not merged
> yet. Btw. even if you only have an Intel card available you can use it
> for GPU passthrough.
>
> [1]
>
> https://github.com/Beckhoff/freebsd-src/commits/phab/corvink/14.0/nvidia-wip/
> [2] https://www.nicksherlock.com/2020/11/working-around-the-amd-gpu-
> reset-bug-on-proxmox/
> <https://www.nicksherlock.com/2020/11/working-around-the-amd-gpu-reset-bug-on-proxmox/>
> [3] https://reviews.freebsd.org/D41710
>
>
> --
> Kind regards,
> Corvin
>


-- 
Mario.