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Date:      Thu, 13 Nov 2025 23:44:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 290997] [vmm]: PCI passthrough on AMD Ryzen 8700G not supported yet? (Variable size IVHD type 0xf0 not supported)
Message-ID:  <bug-290997-27103-3RLhvdui6e@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-290997-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-290997-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290997

Bjoern A. Zeeb <bz@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bz@FreeBSD.org
             Status|New                         |Open

--- Comment #1 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
I have this in my loader.conf:

# Turn on passthru support on AMD;
# see bottom of https://wiki.freebsd.org/bhyve/pci_passthru
hw.vmm.amdvi.enable=1

Does this help?

If you set it manually you can reload vmm.ko to test acording to the wiki page.

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