Re: Virtual GPU for FreeBSD as guest virtualized with qemu / kvm -- best alternative ? Cirrus ?

23.07.23 17:27, Mario Marietto пише:
>
> Hello to everyone.
>
>
> I would like to virtualize FreeBSD on Windows 11 with qemu-kvm (for 
> Windows). I've end up with the following parameters which are working :
>
>
> |I:\OS\qemu\Linux\qemu\qemu-system-x86_64w.exe -accel whpx -machine 
> q35 \ -cpu 
> Westmere,vendor=GenuineIntel,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check 
> \ -m 8G -vga qxl -audiodev dsound,id=snd0 -device ich9-intel-hda 
> -device \ hda-duplex,audiodev=snd0 \ -hda 
> "I:\OS\ISO\FreeBSD\FreeBSD-13.2-RELEASE-amd64-disc1.iso" \ -hdb 
> "I:\OS\qemu\Linux\FreeBSD.img" -rtc base=localtime \ -device 
> nec-usb-xhci,id=xhci -device usb-tablet -device usb-kbd \ -global 
> nec-usb-xhci.msi=off -smbios type=2 -nodefaults -netdev user,id=net0 \ 
> -device virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:11:22:33 \ 
> -device ich9-ahci,id=sata -bios 
> "I:\OS\qemu\Linux\OSX-KVM-master\OVMF_combined.fd"|
>
>
> Now I'm trying to configure Xorg and the xfce4 desktop environment. 
> Since I'm using qemu,there are a lot of display devices available to 
> try,but I don't know which one is good for FreeBSD. In the website 
> below there is a good list of all options available :
>
>
> https://www.kraxel.org/blog/2019/09/display-devices-in-qemu/ 
> <https://www.kraxel.org/blog/2019/09/display-devices-in-qemu/>
>
>
> On FreeBSD I have installed the package drm-kmod and it suggests to me 
> to add to the rc.conf file one of these parameters :
>
>
> 1.
>
>     for amdgpu : kld_list="amdgpu"
>
> 2.
>
>     for intel : kld_list="i915kms"
>
> 3.
>
>     for radeonkms : kld_list="radeonkms"
>
>
> qemu does not cover any of those. I don't know which option is decent 
> for my case. I would like to try with the cirrus display driver. Maybe 
> this one :
>
>
> https://www.freshports.org/x11-drivers/xf86-video-cirrus/
>
>
> |So,I have installed this package : pkg install xf86-video-cirrus |
> I've rebooted and I have changed |-vga qxl to -vga cirrus|
>
> FreeBSD recognized it at 0:1:0
>
>
> 2023-07-23 15_21_33-QEMU.png
>
> I have created xorg.conf with this content :
>
> |Section "Device" Identifier "Device0" Driver "cirrus" BusID 
> "PCI:0:1:0" Screen 0 EndSection|
>
> error : no screens found.
> This is the reason why it does not work :
>
>
> 2023-07-23 15 49 44.png
>
> but the module seems to be there :
>
> |cd /usr/local/lib/xorg/modules/drivers/ ls *cirrus_drv.so* ; 
> modesetting_drv.so ; scfb_drv.so ; vesa_drv.so ;|
>
> What should I do ?
>
>

We have x11-drivers/xf86-video-qxl in our ports, try it with qxl video 
adapter.