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

Thanks. it does not work. This is the error I get : (on the attached
picture,you can read "segmentation fault"...

[image: unnamed.png]

On Fri, Jul 28, 2023 at 4:18 PM Ronald Klop <ronald@freebsd.org> wrote:

> On 7/23/23 16:27, Mario Marietto wrote:
> > 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/ <
> 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 ?
> >
> > --
> > Mario.
>
>
> A https://www.freshports.org/x11-drivers/xf86-video-qxl/ driver exists.
> It didn't work on my qemu on Mac/ARM. Maybe it works for you.
>
> Ronald.
>
>

-- 
Mario.