[Bug 290920] FreeBSD 15 Regression: BHyve PCI Passthrough Broken on 15-STABLE (No GSI/Interrupt Remapping Failure)

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 13 Dec 2025 16:06:18 UTC

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

--- Comment #26 from Nuno Subtil <ns87@shadau.com> ---
(In reply to Bojan Novković from comment #25)

> Speaking of potential fixes, I have another patch for you, this time a fix for a bug that was introduced in `vmm.c` between the releases. Please let me know if it helps.

This patch seems to work for me. My test case is exposing a single NV GPU to a
Linux VM.

(I had similar results otherwise as dan: the patch from
https://marc.info/?l=freebsd-virtualization&m=176531257403805&w=2 also works,
your earlier patch from comment #20 did not.)

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