Re: **[Help] bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument — NVIDIA passthrough with Corvin's branch on FreeBSD 15.0**

From: Corvin Köhne <corvink_at_FreeBSD.org>
Date: Fri, 05 Jun 2026 06:34:29 UTC
On Thu, 2026-06-04 at 13:23 +0200, Mario Marietto wrote:
>         Hi everyone, 
>  I'm trying to get NVIDIA GPU passthrough working with bhyve on FreeBSD 15.0-
> RELEASE-p5, using Corvin Köhne's nvidia-wip branch: 
>  https://github.com/Beckhoff/freebsd-src/tree/phab/corvink/15.0/nvidia-wip 
>  The VM fails to start with the following error before the guest even boots: 
>  bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument 

NVIDIA GPU passthrough should work with stock 15.0, no patches required.


-- 
Best regards,
Corvin