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Date:      Mon, 25 Aug 2025 16:47:25 +0200
From:      Stephan Althaus <Stephan.Althaus@Duedinghausen.eu>
To:        virtualization@freebsd.org
Subject:   Re: GPU Passthrough on FreeBSD 14.3 (AMD Radeon RX 6900 XT and Windows 10 Pro)
Message-ID:  <98007d7f-427e-461a-adf1-7cb55f777662@Duedinghausen.eu>
In-Reply-To: <6CV-OY6BcErrWRit9jSpi6fWsYBG3E_Z3u6eTLPcz6foPAZV1gQpZYaZTR7JA_1ot5RQVqrWQaLxJFySXjspIhSbBJGxmckcDQyzxhALNus=@xyinn.org>
References:  <6CV-OY6BcErrWRit9jSpi6fWsYBG3E_Z3u6eTLPcz6foPAZV1gQpZYaZTR7JA_1ot5RQVqrWQaLxJFySXjspIhSbBJGxmckcDQyzxhALNus=@xyinn.org>
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On 8/24/25 23:58, Jonathan Vasquez wrote:
> Hey all,
>
> I've been experimenting with trying to get my server's dedicated AMD 
> Radeon RX 6900 XT working on a bhyve Windows 10 Pro client for gaming 
> purposes. I've been reading a bunch of blog posts, sites, files, and 
> videos (thanks Corvin) to try and piece things together. I've been 
> able to get the VM to recognize the card, but still stuck on the Code 
> 43 issue (with or without using the vBIOS I've extracted from my 
> dedicated card and also ensuring any options needed to be on in the 
> UEFI settings are enabled). This machine is running on an AMD Ryzen 9 
> 7950X 16-Core Processor, so it's a full AMD setup, no Intel stuff. It 
> technically should be relatively "easy" to get AMD working from what 
> I've read (excluding the known AMD Hardware reset issue). I've 
> documented everything I've done so far, and will be documenting more 
> and simplifying the instructions as I make progress. Please let me 
> know if you see any thing weird or anything I could try based on what 
> I've rewritten. I'll try to give it a go and provide feedback. Thank you!
>
> https://xyinn.org/blog/freebsd/freebsd_bhyve_gpu_passthrough_amd
>
> Jonathan Vasquez
> PGP: 34DA 858C 1447 509E C77A D49F FB85 90B7 C4CA 5279
> Sent with ProtonMail Secure Email
>
Hi!

i have a AMD RX6400 GPU setup running on 14.2 with win10 guest, host is 
a intel system.

i think you have to passthrough the 3/0/1 device as well!

The bios.rom is extracted from this card in place ?


Regards,
Stephan


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    <div class="moz-cite-prefix">On 8/24/25 23:58, Jonathan Vasquez
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:6CV-OY6BcErrWRit9jSpi6fWsYBG3E_Z3u6eTLPcz6foPAZV1gQpZYaZTR7JA_1ot5RQVqrWQaLxJFySXjspIhSbBJGxmckcDQyzxhALNus=@xyinn.org">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span>Hey
          all,</span></div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span><br>
        </span></div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span>I've
          been experimenting with trying to get my server's dedicated
          AMD Radeon RX 6900 XT working on a bhyve Windows 10 Pro client
          for gaming purposes. I've been reading a bunch of blog posts,
          sites, files, and videos (thanks Corvin) to try and piece
          things together. I've been able to get the VM to recognize the
          card, but still stuck on the Code 43 issue (with or without
          using the vBIOS I've extracted from my dedicated card and also
          ensuring any options needed to be on in the UEFI settings are
          enabled). This machine is running on an AMD Ryzen 9 7950X
          16-Core Processor, so it's a full AMD setup, no Intel stuff.
          It technically should be relatively "easy" to get AMD working
          from what I've read (excluding the known AMD Hardware reset
          issue). I've documented everything I've done so far, and will
          be documenting more and simplifying the instructions as I make
          progress. Please let me know if you see any thing weird or
          anything I could try based on what I've rewritten. I'll try to
          give it a go and provide feedback. Thank you!</span></div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span><br>
        </span></div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span><a
            target="_blank" rel="noreferrer nofollow noopener"
href="https://xyinn.org/blog/freebsd/freebsd_bhyve_gpu_passthrough_amd"
            moz-do-not-send="true" class="moz-txt-link-freetext">https://xyinn.org/blog/freebsd/freebsd_bhyve_gpu_passthrough_amd</a></span><br>;
      </div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"><br>
      </div>
      <div style="font-family: Arial, sans-serif; font-size: 14px;"
        class="protonmail_signature_block">
        <div class="protonmail_signature_block-user">
          <div>Jonathan Vasquez<br>
          </div>
          <div>PGP: 34DA 858C 1447 509E C77A D49F FB85 90B7 C4CA 5279<br>
          </div>
          <div>Sent with ProtonMail Secure Email<br>
          </div>
          <div><br>
          </div>
        </div>
        <div
class="protonmail_signature_block-proton protonmail_signature_block-empty">
        </div>
      </div>
    </blockquote>
    <p>Hi!</p>
    <p>i have a AMD RX6400 GPU setup running on 14.2 with win10 guest,
      host is a intel system.</p>
    <p>i think you have to passthrough the 3/0/1 device as well!</p>
    <p>The bios.rom is extracted from this card in place ?</p>
    <p><br>
    </p>
    <p>Regards,<br>
      Stephan</p>
    <p><br>
    </p>
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