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Date:      Sun, 07 Dec 2025 11:35:18 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 290920] FreeBSD 15 Regression: BHyve PCI Passthrough Broken on 15-STABLE (No GSI/Interrupt Remapping Failure)
Message-ID:  <bug-290920-27103-Xr7vmyVEkD@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-290920-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-290920-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290920

--- Comment #16 from Emrion <kmachine@free.fr> ---
(In reply to Emrion from comment #13)
I worked on the subject. I have to clarify what is this VM. It's a pfSense one,
version 2.7.2-RELEASE (so, not up-to-date but that's not important). I don't
use vm-bhyve, just bhyve command line.

The realtek NIC is set for DHCP, it's the "wan" side for the pfSense VM.

There is something random in this regression as most of the time, the NIC
doesn't get an ip, but not always (I saw that with numerous tries to stop and
restart the VM). Often, I have no connectivity despite it has a valid ip
address, but in some occasions all seems to properly function.

What I've seen in the dmesg of the pfSense VM is, when it fails:
SRAT: Ignoring memory at addr 0xff000000
SRAT: Ignoring memory at addr 0xffc84000

I don't know if it's relevant.

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