Re: bhyve: Warning: Unable to reuse host address of Graphics Stolen Memory. GPU passthrough might not work properly. bhyve: gvt_d_setup_opregion: Unable to get OpRegion base and length bhyve: gvt_d_init: Unable to setup OpRegion device emulation initialization error: Operation not supported by device

It's not used by the host. FreeBSD is using the geforce 1060. And on the
BIOS I have set up the 1060 as default. I know that I can't pass through a
gpu that I'm using. And the third gpu is the geforce rtx 2080 ti that I can
actually pass.

Actually I have 3 gpus :

ppt4@pci0:0:2:0:        class=0x038000 rev=0x02 hdr=0x00 vendor=0x8086
device=0x3e98 subvendor=0x1458 subdevice=0xd000
   vendor     = 'Intel Corporation'
   device     = 'CoffeeLake-S GT2 [UHD Graphics 630]'
   class      = display

vgapci0@pci0:1:0:0:     class=0x030000 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x1c02 subvendor=0x19d
a subdevice=0x2438
   vendor     = 'NVIDIA Corporation'
   device     = 'GP106 [GeForce GTX 1060 3GB]'
   class      = display
   subclass   = VGA

hdac0@pci0:1:0:1:       class=0x040300 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x10f1 subvendor=0x19d
a subdevice=0x2438
   vendor     = 'NVIDIA Corporation'
   device     = 'GP106 High Definition Audio Controller'
   class      = multimedia
   subclass   = HDA

ppt0@pci0:2:0:0:        class=0x030000 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x1e04 subvendor=0x19d
a subdevice=0x2503
   vendor     = 'NVIDIA Corporation'
   device     = 'TU102 [GeForce RTX 2080 Ti]'
   class      = display
   subclass   = VGA

ppt1@pci0:2:0:1:        class=0x040300 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x10f7 subvendor=0x19d
a subdevice=0x2503
   vendor     = 'NVIDIA Corporation'
   device     = 'TU102 High Definition Audio Controller'
   class      = multimedia
   subclass   = HDA

ppt2@pci0:2:0:2:        class=0x0c0330 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x1ad6 subvendor=0x19d
a subdevice=0x2503
   vendor     = 'NVIDIA Corporation'
   device     = 'TU102 USB 3.1 Host Controller'
   class      = serial bus
   subclass   = USB

ppt3@pci0:2:0:3:        class=0x0c8000 rev=0xa1 hdr=0x00 vendor=0x10de
device=0x1ad7 subvendor=0x19d
a subdevice=0x2503
   vendor     = 'NVIDIA Corporation'
   device     = 'TU102 USB Type-C UCSI Controller'
   class      = serial bus

As you can see,I'm using the ppt driver on the gpus that I'm not using.

Il giorno ven 29 lug 2022 alle ore 14:58 Jonathan Vasquez <jon@xyinn.org>
ha scritto:

> I thought in general we couldn't pass the GPU if it was being used by the
> host? (Thus you would need to have two GPUs, one to allow the host to
> display its output and one to passthrough. Unless the host is completely
> headless).
>
>
> Sent from ProtonMail mobile
>
>
>
> -------- Original Message --------
> On Jul 29, 2022, 02:38, Mario Marietto < marietto2008@gmail.com> wrote:
>
>
> Hello.
>
> I've tried to passthru my CoffeeLake-S GT2 [UHD Graphics 630] on a Linux
> VM but it failed. This graphic card :
>
> ppt4@pci0:0:2:0:        class=0x038000 rev=0x02 hdr=0x00 vendor=0x8086
> device=0x3e98 subvendor=0x1458 subdevice=0xd000
>    vendor     = 'Intel Corporation'
>    device     = 'CoffeeLake-S GT2 [UHD Graphics 630]'
>    class      = display
>
> below there are the bhyve parameters that I've used :
>
> bhyve -S -c sockets=1,cores=2,threads=2 -m 4G -w -H -A \
> -s 0,hostbridge \
> -s 1,nvme,/dev/$vmdisk0,bootindex=1 \
> -s 2,ahci-hd,/dev/$vmdisk2 \
> -s 3,ahci-hd,/dev/$vmdisk4 \
> -s 4,passthru,0/2/0 \
> -s 7,virtio-net,tap4 \
> -s 10,hda,play=/dev/dsp,rec=/dev/dsp \
> -s 29,fbuf,tcp=0.0.0.0:5904,w=1500,h=950 \
> -s 30,xhci,tablet \
> -s 31,lpc \
> -l bootrom,/usr/local/share/uefi-firmware/BHYVE_BHF_CODE.fd \
> vm4 < /dev/null & sleep 2 && vncviewer 0:4
>
> this is the error I get :
>
> bhyve: Warning: Unable to reuse host address of Graphics Stolen Memory.
> GPU passthrough might not work properly.
> bhyve: gvt_d_setup_opregion: Unable to get OpRegion base and length
> bhyve: gvt_d_init: Unable to setup OpRegion
> device emulation initialization error: Operation not supported by device
>
> Should I apply some patches ? I know for sure that I can pass through this
> kind of gpu,using the Corvin patches,but I don't know if I have found a bug
> that should be fixed. Let me know.
>
> --
> Mario.
>
>

-- 
Mario.