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

I get a segmentation fault as you can see on the picture that I have
attached :

[image: 2023-07-23 17_37_51-QEMU.png]

Il lun 24 lug 2023, 07:30 Oleksandr Kryvulia <shuriku@shurik.kiev.ua> ha
scritto:

> 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/
>
>
> 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
>
>
> [image: 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 :
>
>
> [image: 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.
>