Date: Wed, 17 Sep 2025 20:44:45 -0400 From: peter garshtja <peter.garshtja@ambient-md.com> To: Tomek CEDRO <tomek@cedro.info> Cc: Jonathan Vasquez <jon@xyinn.org>, virtualization@freebsd.org, =?UTF-8?Q?Corvin_K=C3=B6hne?= <corvink@freebsd.org> Subject: Re: GPU Passthrough on FreeBSD 14.3 (AMD Radeon RX 6900 XT and Windows 10 Pro) Message-ID: <CALFUBVG_=c=06EKf5JUi1B9%2B9-3kj_R%2BzrmDMPskas3qQ6k5-A@mail.gmail.com> In-Reply-To: <CAFYkXjmmsNb1dNoq3ebm%2BVVTgVFyoDB7LHBaCKTq-VduYxp4=w@mail.gmail.com> References: <6CV-OY6BcErrWRit9jSpi6fWsYBG3E_Z3u6eTLPcz6foPAZV1gQpZYaZTR7JA_1ot5RQVqrWQaLxJFySXjspIhSbBJGxmckcDQyzxhALNus=@xyinn.org> <GXXvtGkj6StE4BIkkGS7gd01j9K7K3IIGkBOHHqgomnZuNxo-5Sz4WjNKV6HYi5HhPXeBIwsdkAuR71i7hJ8QEPaH4bqkhrTIaA2ti0IXoE=@xyinn.org> <MN2PR20MB3168842FD4AAADEB8A29DC5DFE3EA@MN2PR20MB3168.namprd20.prod.outlook.com> <fb59ninGeo2cCSN7tULNr1ZaXzLFaZn1Lh_SuGWMBCv63RAbqgZetMhn63dppXM7quUBuGF8U9N8-furgb-088Gn-LHr9-e9JYUPvHIvuqU=@xyinn.org> <FIR4iioBciiFZPGzeCeKoY_RKIdxeWWraK2Dr98ag7G7X6n2u5CWtBc2GT7CAzc9sq9JUREXfr7tbj9Bpd341cp7YxJFyM04FczcztnSb_I=@xyinn.org> <09-JQGKdIKMMp4u22KT_U_n7lXzFRKrK3mODyLvhee7a7pYyagqdi1mbgVTeq5QIe_ZrbGfkM4I03ocsBCj6ogh04hKyCcDdY65EtlrysuI=@xyinn.org> <mCYFvsvCiJxYxJBB5ZoCDpZvD1K9kurQRfAA7xyg5YykjoH-NoSqP_an0mexDVQ07wj1JOulA9imS1ss-zf4RSGSo4OMluxlovFwe7C5Y8c=@xyinn.org> <HQJQz0Hozvec21gKyTxzLVEzEtV-bgFo-_bznYjO5YCz-lcTXzmXextt-EoWDx7MgOtkgbj1W0mlfMiOpFkblnHtj4shaRNC-aBACusnasY=@xyinn.org> <d776efc6caa4655932c5826a5254726b54f0922e.camel@FreeBSD.org> <inDvuzB_9hEMrB7OHgJcDcta8GMaEPxvzilpw8LycZgSoch8FY1lzGtOmipyv4IYHwucW6Hdm7qv3c1M9TjZMbaZws7Yzi8zlxZSZ3ZV0PA=@xyinn.org> <6QpHOGTzqnqxLPCDMcDbChlobQw-mVGWb2BjQk-K7kyE3OjuLCCFLGn5nVpgEvlr3xaipUzLMWz1JaESXx9W6w7aXNyAXN5wbuoS8eaWkcU=@xyinn.org> <CAFYkXjmmsNb1dNoq3ebm%2BVVTgVFyoDB7LHBaCKTq-VduYxp4=w@mail.gmail.com>
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--000000000000717d7b063f08a9b4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Jonathan, Thanks for the update. Can you try sunshine/moonlight setup? This setup will bring you to something GeForce Now service. Regards, Petru On Wed, Sep 17, 2025, 20:39 Tomek CEDRO <tomek@cedro.info> wrote: > On Thu, Sep 18, 2025 at 2:05=E2=80=AFAM Jonathan Vasquez <jon@xyinn.org> = wrote: > > Hey all, > > I've done some more testing and improved my post. I pretty much got a > full blown gaming set up working. It has it's qwirks but definitely can > play games on this VM now. I no longer use RDP at all. Since passthrough = is > working, I just plugged in my monitor directly into the GFX card. Once yo= u > start the bhyve VM, you will get video out at full power (- w/e performan= ce > lose we have due to running in a VM). But I'm not getting any lag or > stuttering due to RDP/VNC stuff. Since I have a KVM, I was able to pass > through my mobo's USB stuff to the VM which means the KVM allows me to us= e > my keyboard/mouse in the VM, and I can even use Ethernet and sound as wel= l > since the KVM has a headphone jack. So with all of that, I have everythin= g > I need to play games on this VM with the AMD Radeon RX 6900 XT. The nice > thing is that things are just going to get better on FreeBSD from here :)= . > Please check out the info on my page again and let me know if anyone has > any questions. > > > > I'm sure that we will get improvements in the future for: > > - Resizable BAR support > > - Fixing any issues with slowness with some games (probably a byproduct > of something else going on) > > - Any weird graphical/artifact issues in - some - circumstances. > Although it seems when I do get graphical issues, it's only temporary and > doesn't make the game completely unplayable. > > > > @Tomek CEDRO > > > > I'm not against getting this documentation into the handbook, but from > my little work on getting some documentation updates into the handbook, > there are specific guidelines that need to be followed with language used= , > structure, etc, and there are a lot of side things that I didn't describe > in my document. All of this would probably need to be fully fleshed out a= nd > polished before something of this magnitude would be accepted as an > official chapter or section in the handbook. Although I agree that it's > very valuable information and a highly sought after use case I would > think.. at least it was for me. I was thinking this technology would be o= ut > of reach for me for many many more years, but I'm happy that the day has > finally come, and on my favorite OS, FreeBSD. Let's go!! > > Congratz! :-) Nice to see you play Cyberpunk2077 and Witcher3 that are > from Poland where I live! Cyberpunk Not Dead! =3D) > > Jonathan, I did not find detailed information about the monitors setup > for the host and the guest on your blog post: > > https://xyinn.org/blog/freebsd/freebsd_bhyve_gpu_passthrough_amd > > So you are using two GPUs on the host machine, on-board for the host, > and the PCI-E for the guest? > > Is it possible to use both host and guest on the same GPU? I guess not > because BSD uses kernel driver and that cannot be unloaded and then > reloaded on the guest enter/exit and so KVM is necessary? > > Another question is why this will not work for Intel and Nvidia GPUs? > I have onboard Intel and PCI-E RTX5070 from Nvidia :-P > > You can add video about this setup on your YT channel :-) > > Thanks for sharing the success story and hints on how to repeat! :-) > > Tomek > > ps/2: I really miss the good GPU/GFX support in bhyve, that is we > could reuse existing GPU and screen for the guest with no VNC, RDP, or > Passthrough+KVM :-P > > -- > CeDeROM, SQ7MHZ, http://www.tomek.cedro.info > > --000000000000717d7b063f08a9b4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto">Hi Jonathan,<div dir=3D"auto">Thanks for the=C2=A0update.= </div><div dir=3D"auto"><br></div><div dir=3D"auto">Can you try sunshine/mo= onlight setup?</div><div dir=3D"auto">This setup will bring you to somethin= g GeForce Now service.</div><div dir=3D"auto"><br></div><div dir=3D"auto">R= egards,</div><div dir=3D"auto">Petru</div></div><br><div class=3D"gmail_quo= te gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Sep= 17, 2025, 20:39 Tomek CEDRO <<a href=3D"mailto:tomek@cedro.info">tomek@= cedro.info</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style= =3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, = Sep 18, 2025 at 2:05=E2=80=AFAM Jonathan Vasquez <<a href=3D"mailto:jon@= xyinn.org" target=3D"_blank" rel=3D"noreferrer">jon@xyinn.org</a>> wrote= :<br> > Hey all,<br> > I've done some more testing and improved my post. I pretty much go= t a full blown gaming set up working. It has it's qwirks but definitely= can play games on this VM now. I no longer use RDP at all. Since passthrou= gh is working, I just plugged in my monitor directly into the GFX card. Onc= e you start the bhyve VM, you will get video out at full power (- w/e perfo= rmance lose we have due to running in a VM). But I'm not getting any la= g or stuttering due to RDP/VNC stuff. Since I have a KVM, I was able to pas= s through my mobo's USB stuff to the VM which means the KVM allows me t= o use my keyboard/mouse in the VM, and I can even use Ethernet and sound as= well since the KVM has a headphone jack. So with all of that, I have every= thing I need to play games on this VM with the AMD Radeon RX 6900 XT. The n= ice thing is that things are just going to get better on FreeBSD from here = :). Please check out the info on my page again and let me know if anyone ha= s any questions.<br> ><br> > I'm sure that we will get improvements in the future for:<br> > - Resizable BAR support<br> > - Fixing any issues with slowness with some games (probably a byproduc= t of something else going on)<br> > - Any weird graphical/artifact issues in - some - circumstances. Altho= ugh it seems when I do get graphical issues, it's only temporary and do= esn't make the game completely unplayable.<br> ><br> > @Tomek CEDRO<br> ><br> > I'm not against getting this documentation into the handbook, but = from my little work on getting some documentation updates into the handbook= , there are specific guidelines that need to be followed with language used= , structure, etc, and there are a lot of side things that I didn't desc= ribe in my document. All of this would probably need to be fully fleshed ou= t and polished before something of this magnitude would be accepted as an o= fficial chapter or section in the handbook. Although I agree that it's = very valuable information and a highly sought after use case I would think.= . at least it was for me. I was thinking this technology would be out of re= ach for me for many many more years, but I'm happy that the day has fin= ally come, and on my favorite OS, FreeBSD. Let's go!!<br> <br> Congratz! :-) Nice to see you play Cyberpunk2077 and Witcher3 that are<br> from Poland where I live! Cyberpunk Not Dead! =3D)<br> <br> Jonathan, I did not find detailed information about the monitors setup<br> for the host and the guest on your blog post:<br> <br> <a href=3D"https://xyinn.org/blog/freebsd/freebsd_bhyve_gpu_passthrough_amd= " rel=3D"noreferrer noreferrer" target=3D"_blank">https://xyinn.org/blog/fr= eebsd/freebsd_bhyve_gpu_passthrough_amd</a><br> <br> So you are using two GPUs on the host machine, on-board for the host,<br> and the PCI-E for the guest?<br> <br> Is it possible to use both host and guest on the same GPU? I guess not<br> because BSD uses kernel driver and that cannot be unloaded and then<br> reloaded on the guest enter/exit and so KVM is necessary?<br> <br> Another question is why this will not work for Intel and Nvidia GPUs?<br> I have onboard Intel and PCI-E RTX5070 from Nvidia :-P<br> <br> You can add video about this setup on your YT channel :-)<br> <br> Thanks for sharing the success story and hints on how to repeat! :-)<br> <br> Tomek<br> <br> ps/2: I really miss the good GPU/GFX support in bhyve, that is we<br> could reuse existing GPU and screen for the guest with no VNC, RDP, or<br> Passthrough+KVM :-P<br> <br> -- <br> CeDeROM, SQ7MHZ, <a href=3D"http://www.tomek.cedro.info" rel=3D"noreferrer = noreferrer" target=3D"_blank">http://www.tomek.cedro.info</a><br>; <br> </blockquote></div> --000000000000717d7b063f08a9b4--
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