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Date:      Fri, 28 Jul 2023 16:16:49 +0200
From:      Ronald Klop <ronald@FreeBSD.org>
To:        Mario Marietto <marietto2008@gmail.com>, freebsd-x11@freebsd.org, FreeBSD virtualization <freebsd-virtualization@freebsd.org>, FreeBSD Mailing List <freebsd-questions@freebsd.org>, freebsd-hackers <freebsd-hackers@freebsd.org>, freebsd-drivers@freebsd.org
Subject:   Re: Virtual GPU for FreeBSD as guest virtualized with qemu / kvm -- best alternative ? Cirrus ?
Message-ID:  <5b3e32fa-f5cf-b965-a3f6-2788a1c6ef37@FreeBSD.org>
In-Reply-To: <CA%2B1FSiiWDWZ00pc54jxDo9Zfqzmj6vXt_ykshQcw2ze0D-aqDg@mail.gmail.com>
References:  <CA%2B1FSiiWDWZ00pc54jxDo9Zfqzmj6vXt_ykshQcw2ze0D-aqDg@mail.gmail.com>

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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.




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