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micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-GbfmjnSPVdooT02r95aK" User-Agent: Evolution 3.56.2-0+deb13u1 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 --=-GbfmjnSPVdooT02r95aK Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2026-06-05 at 11:20 -0500, Matthew Grooms wrote: > On 6/5/26 01:34, Corvin K=C3=B6hne wrote: > > On Thu, 2026-06-04 at 13:23 +0200, Mario Marietto wrote: > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Hi everyone, > > > =C2=A0=C2=A0I'm trying to get NVIDIA GPU passthrough working with bhy= ve on FreeBSD > > > 15.0- > > > RELEASE-p5, using Corvin K=C3=B6hne's nvidia-wip branch: > > > =C2=A0=C2=A0 > > > https://github.com/Beckhoff/freebsd-src/tree/phab/corvink/15.0/nvidia= -wip > > > =C2=A0=C2=A0The VM fails to start with the following error before the= guest even > > > boots: > > > =C2=A0=C2=A0bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument > > NVIDIA GPU passthrough should work with stock 15.0, no patches required= . >=20 > I was about to attempt this myself. Are all the required patches present= =20 > in 14.4 as well? >=20 > Thanks, >=20 > -Matthew >=20 Yes, the required patch is present in 14.4 as well. --=20 Best regards, Corvin --=-GbfmjnSPVdooT02r95aK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEgvRSla3m2t/H2U9G2FTaVjFeAmoFAmomY78UHGNvcnZpbmtA ZnJlZWJzZC5vcmcACgkQ2FTaVjFeAmrTHxAAgYEN/BWrXeWO11gMJedrQ4EOaAoR m1AETW3REJv7t1TYmWXG7Gf9X43WzIogxoVT8Wrx1b8R3fR9m1lZhlFyrj3d7NAO 9Kcq6lSyjevFoZ7w4KaVZbsHsuZLSQb4kipbVy/fVZ6EC5t5bSUCiAHF8uxbgMPL M5gTEfNRKgtrlK2V2a9XkUbzq0gGl0RphbhrxFICC6Km4eY9dmVzILkhgZxYNqGH 95JMmvzSmldW2XgSgWWP6MUXpY/ADiFZoJt7dVYCL2omxwrJ36fZGHtfSsf+3kEx Krix1HT6UQF8GLir94ckj8PNL/cEiHfSMgoLeUINfe8s6fd6Qn5CO7AedYuPOGVL Ma4baJi1cYeNOSIxqDUQY2cMInK3FDsGi0x95qw+QwMoNT8gemg6A2MvYEc5eaFl WcSrUvV/N0Npt3jFY+Je6GIx4Qmtvsrc8J3O6xuf0eoVEs2NuWGG5hUYR/8r725w KlFyOlUEUJ0W1UkS5s8vPfS5OJD4V9YgdWAjQtsiOvaW4m71cED4ESfZFgaBYybo 16ybwy/7UQwcuRTigY3dyj3dsLePFIdizJUniZedjBTADB869FLNJArwHGM7It3c 6qU5/ZEhuknpr+fb3JFgyAsD7+D8eygjJm5rGmm3rtHJLsPuIi8rcR9oFHXcxDzD mWNCBsmFrIWRT0I= =UdGt -----END PGP SIGNATURE----- --=-GbfmjnSPVdooT02r95aK-- From nobody Mon Jun 8 08:03:08 2026 X-Original-To: virtualization@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gYl135HCpz6h3p1 for ; 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Mon, 08 Jun 2026 01:03:44 -0700 (PDT) List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 References: <1bbf28a7-7025-4d83-937d-72d8583048ca@shrew.net> In-Reply-To: From: Mario Marietto Date: Mon, 8 Jun 2026 10:03:08 +0200 X-Gm-Features: AVVi8Cf5rjCmZwysIZ18PL1qbOBhenneiZkA_8_5UNKmkJW9AHQgYoLXtPirSRM Message-ID: Subject: =?UTF-8?Q?Re=3A_=2A=2A=5BHelp=5D_bhyve=3A_bootrom=5Falloc=3A_vm=5Fmmap=5Fmapseg=3A_I?= =?UTF-8?Q?nvalid_argument_=E2=80=94_NVIDIA_passthrough_with_Corvin=27s_branch_?= =?UTF-8?Q?on_FreeBSD_15=2E0=2A=2A?= To: =?UTF-8?Q?Corvin_K=C3=B6hne?= Cc: Matthew Grooms , virtualization@freebsd.org Content-Type: multipart/alternative; boundary="00000000000011937b0653b9735d" X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Queue-Id: 4gYl131p4yz3cW8 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated --00000000000011937b0653b9735d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable --> Yes, the required patch is present in 14.4 as well. Can you point me to the required patche that you are talking about ? thanks. On Mon, Jun 8, 2026 at 8:40=E2=80=AFAM Corvin K=C3=B6hne wrote: > On Fri, 2026-06-05 at 11:20 -0500, Matthew Grooms wrote: > > On 6/5/26 01:34, Corvin K=C3=B6hne wrote: > > > 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 K=C3=B6hne'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. > > > > I was about to attempt this myself. Are all the required patches presen= t > > in 14.4 as well? > > > > Thanks, > > > > -Matthew > > > > Yes, the required patch is present in 14.4 as well. > > > -- > Best regards, > Corvin > --=20 Mario. --00000000000011937b0653b9735d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
--> Yes, the required patch is present in 14.4 as = well.

Can you point me to the required patche that= you are talking about ?

thanks.

On Mon, Jun = 8, 2026 at 8:40=E2=80=AFAM Corvin K=C3=B6hne <corvink@freebsd.org> wrote:
=
On Fri, 2026-06-05 at 11:= 20 -0500, Matthew Grooms wrote:
> On 6/5/26 01:34, Corvin K=C3=B6hne wrote:
> > On Thu, 2026-06-04 at 13:23 +0200, Mario Marietto wrote:
> > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Hi eve= ryone,
> > > =C2=A0=C2=A0I'm trying to get NVIDIA GPU passthrough wor= king with bhyve on FreeBSD
> > > 15.0-
> > > RELEASE-p5, using Corvin K=C3=B6hne's nvidia-wip branch:=
> > > =C2=A0=C2=A0
> > > https://gith= ub.com/Beckhoff/freebsd-src/tree/phab/corvink/15.0/nvidia-wip
> > > =C2=A0=C2=A0The VM fails to start with the following error b= efore the guest even
> > > boots:
> > > =C2=A0=C2=A0bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid ar= gument
> > NVIDIA GPU passthrough should work with stock 15.0, no patches re= quired.
>
> I was about to attempt this myself. Are all the required patches prese= nt
> in 14.4 as well?
>
> Thanks,
>
> -Matthew
>

Yes, the required patch is present in 14.4 as well.


--
Best regards,
Corvin


--
Ma= rio.
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Mon, 08 Jun 2026 02:34:34 -0700 (PDT) List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 From: Mario Marietto Date: Mon, 8 Jun 2026 11:33:57 +0200 X-Gm-Features: AVVi8CcRnY3lFMvWL7S1oZO_9urylWo34x3-J-f_pGD-SKclGu9FN4I6HHsaJms Message-ID: Subject: How FLR has been implemented inside the Corvin's code for the nVidia GPU. To: FreeBSD virtualization , =?UTF-8?Q?Corvin_K=C3=B6hne?= , =?UTF-8?Q?Corvin_K=C3=B6hne?= Content-Type: multipart/alternative; boundary="000000000000e50b940653bab7ff" X-Spamd-Result: default: False [-4.95 / 15.00]; ARC_ALLOW(-1.00)[google.com:s=arc-20240605:i=1]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.95)[-0.949]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4864::/56:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20251104]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; TO_DN_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; DKIM_TRACE(0.00)[gmail.com:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_ONE(0.00)[1]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; MLMMJ_DEST(0.00)[freebsd-virtualization@freebsd.org]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::62d:from] X-Spamd-Bar: ---- X-Rspamd-Queue-Id: 4gYn1r5Yl1z3nHl --000000000000e50b940653bab7ff Content-Type: text/plain; charset="UTF-8" Hello Corvin and everyone. I'm continuing the development of the initial project of Abhinav Chavali, the VMM Accelerator support for QEMU : https://summerofcode.withgoogle.com/archive/2025/projects/lRkVElCJ It seems that it works fine,but I would like to know. How was FLR implemented in the code Corvin wrote to pass the NVIDIA GPU to a Linux-based VM? I ask because when I use the Corvin's patched bhyve, or perhaps his vmm, I don't see any system freezes when I load and unload the vmm module from memory. It used to happen at the beginning,I remember well, but later not anymore. However, when I do it with qemu accelerated with bhyve, the problem still occurs. I asked Claude to look into Corvin's code to understand how he handled it, but even after doing so, the problem persists. -- Mario. --000000000000e50b940653bab7ff Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello Corvin and everyone.

I= 'm continuing the development of the initial project of Abhinav Chavali= , the VMM Accelerator support for QEMU :

=09
=09 =09 =09

https://summerofcode.withgoogle.com/archive/20= 25/projects/lRkVElCJ


It seems that it works fine,but I would like to know.

=
How was FLR implemented in the code Corvin= wrote to pass the NVIDIA GPU to a Linux-based VM? I ask because w= hen I use the Corvin's patched bhyve, or perhaps his vmm, I don't s= ee any system freezes when I load and unload the vmm module from memory. It use= d to happen at the beginning,I remember well, but later not anymore.= However, w= hen I do it with qemu accelerated with bhyve, the problem still occurs. I asked= Claude to look into Corvin's code to understand how he handled it, but= even after doing so, the problem persists.

--
Mario.
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Mon, 08 Jun 2026 23:41:31 -0700 (PDT) List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 References: <1bbf28a7-7025-4d83-937d-72d8583048ca@shrew.net> <368dc4ea87fea1c1082c5e54e4140f3cb43075a9.camel@FreeBSD.org> In-Reply-To: <368dc4ea87fea1c1082c5e54e4140f3cb43075a9.camel@FreeBSD.org> From: Mario Marietto Date: Tue, 9 Jun 2026 08:40:53 +0200 X-Gm-Features: AVVi8CfXI474p8Cx9afwr1Jf0Wr_3Xpy4rrUaEUdG95RontKEkOHBH3QCjEPtj0 Message-ID: Subject: =?UTF-8?Q?Re=3A_=2A=2A=5BHelp=5D_bhyve=3A_bootrom=5Falloc=3A_vm=5Fmmap=5Fmapseg=3A_I?= =?UTF-8?Q?nvalid_argument_=E2=80=94_NVIDIA_passthrough_with_Corvin=27s_branch_?= =?UTF-8?Q?on_FreeBSD_15=2E0=2A=2A?= To: =?UTF-8?Q?Corvin_K=C3=B6hne?= Cc: Matthew Grooms , virtualization@freebsd.org Content-Type: multipart/alternative; boundary="000000000000d751980653cc6a58" X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Queue-Id: 4gZK7j3hm7z43xB X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated --000000000000d751980653cc6a58 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable ---> https://github.com/freebsd/freebsd- src/commit/effcd0ded0ef1c92bef29c1e9bbf517c97bb45b8 oh ok. That's not the bug I was talking about. You gave no reply about that (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument on FreeBSD 15*-RELEASE). On Tue, Jun 9, 2026 at 8:23=E2=80=AFAM Corvin K=C3=B6hne wrote: > On Mon, 2026-06-08 at 10:03 +0200, Mario Marietto wrote: > > --> Yes, the required patch is present in 14.4 as well. > > > > Can you point me to the required patche that you are talking about ? > > > > thanks. > > > > > > https://github.com/freebsd/freebsd- > src/commit/effcd0ded0ef1c92bef29c1e9bbf517c97bb45b8 > > > -- > Best regards, > Corvin > --=20 Mario. --000000000000d751980653cc6a58 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
--->=C2=A0https://github.com/freebsd/fre= ebsd-src/commit/effcd0ded0ef1c92bef29c1e9bbf517c97bb45b8

=
oh ok. That's not the bug I was talking about. You gave no r= eply about that (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument=C2=A0on F= reeBSD 15*-RELEASE).=C2=A0

On Tue, Jun 9, 2026 at 8:23=E2=80=AFAM Corvin K=C3=B6hne <corvink@freebsd.org> wrote:
On Mon, 2026-06-08 at 10:03 += 0200, Mario Marietto wrote:
> --> Yes, the required patch is present in 14.4 as well.
>
> Can you point me to the required patche that you are talking about ? >
> thanks.
>
>

https://github.com/freebsd/freebsd-
src/commit/effcd0ded0ef1c92bef29c1e9bbf517c97bb45b8


--
Best regards,
Corvin


--
Ma= rio.
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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-0+deb13u1 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Tue, 2026-06-09 at 08:40 +0200, Mario Marietto wrote: > --- > >=C2=A0https://github.com/freebsd/freebsd-src/commit/effcd0ded0ef1c92bef2= 9c1e9bbf51 > 7c97bb45b8 >=20 > oh ok. That's not the bug I was talking about. You gave no reply about th= at > (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument=C2=A0on FreeBSD 1= 5*- > RELEASE).=C2=A0 >=20 Does it occur on stock 15? Nvidia GPU passthrough should work on stock 15, = so please test it without patching any files. --=20 Best regards, Corvin From nobody Wed Jun 10 09:18:36 2026 X-Original-To: virtualization@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gb0bC6zRjz6hSL6 for ; Wed, 10 Jun 2026 09:19:19 +0000 (UTC) (envelope-from marietto2008@gmail.com) Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gb0bC55bMz3cH9 for ; Wed, 10 Jun 2026 09:19:19 +0000 (UTC) (envelope-from marietto2008@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-pj1-x1033.google.com with SMTP id 98e67ed59e1d1-36c68964315so3243819a91.2 for ; 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Wed, 10 Jun 2026 02:19:13 -0700 (PDT) List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 References: <1bbf28a7-7025-4d83-937d-72d8583048ca@shrew.net> <368dc4ea87fea1c1082c5e54e4140f3cb43075a9.camel@FreeBSD.org> In-Reply-To: From: Mario Marietto Date: Wed, 10 Jun 2026 11:18:36 +0200 X-Gm-Features: AVVi8CeYdsNtd3hwfxBB0f0h9JBAB6ezEB9Z1B3PNH494Fu4bXNeyMaAg5_ICcE Message-ID: Subject: =?UTF-8?Q?Re=3A_=2A=2A=5BHelp=5D_bhyve=3A_bootrom=5Falloc=3A_vm=5Fmmap=5Fmapseg=3A_I?= =?UTF-8?Q?nvalid_argument_=E2=80=94_NVIDIA_passthrough_with_Corvin=27s_branch_?= =?UTF-8?Q?on_FreeBSD_15=2E0=2A=2A?= To: =?UTF-8?Q?Corvin_K=C3=B6hne?= Cc: Matthew Grooms , virtualization@freebsd.org Content-Type: multipart/alternative; boundary="000000000000ac22790653e2bcba" X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Queue-Id: 4gb0bC55bMz3cH9 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated --000000000000ac22790653e2bcba Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable --> Does it occur on stock 15? . Error happened with stock 15 upgraded until 15p9. ---> Nvidia GPU passthrough should work on stock 15, so Please test it without patching any files. I asked Claude to create the patches because it didn't work with stock 15. With the patches created by Claude that I have applied it worked again. Mario. On Wed, Jun 10, 2026 at 10:59=E2=80=AFAM Corvin K=C3=B6hne wrote: > On Tue, 2026-06-09 at 08:40 +0200, Mario Marietto wrote: > > --- > > > > https://github.com/freebsd/freebsd-src/commit/effcd0ded0ef1c92bef29c1e9bb= f51 > > 7c97bb45b8 > > > > oh ok. That's not the bug I was talking about. You gave no reply about > that > > (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument on FreeBSD 15*- > > RELEASE). > > > > Does it occur on stock 15? Nvidia GPU passthrough should work on stock 15= , > so > please test it without patching any files. > > > -- > Best regards, > Corvin > --=20 Mario. --000000000000ac22790653e2bcba Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
--> Does it occur on stock 15? .

Err= or happened with stock 15 upgraded until 15p9.

---= > Nvidia GPU passthrough should work on stock 15, so=C2=A0Please test it= without patching any files.

I asked Claude to cr= eate the patches because it didn't work with stock 15. With the patches= created by Claude that I have applied it worked again.

Mario.

On Wed, Jun 10, 2026 at 10:59=E2=80= =AFAM Corvin K=C3=B6hne <corvink@= freebsd.org> wrote:
On Tue, 2026-06-09 at 08:40 +0200, Mario Marietto wrote:
> ---
> >=C2=A0https://g= ithub.com/freebsd/freebsd-src/commit/effcd0ded0ef1c92bef29c1e9bbf51
> 7c97bb45b8
>
> oh ok. That's not the bug I was talking about. You gave no reply a= bout that
> (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument=C2=A0on FreeBS= D 15*-
> RELEASE).=C2=A0
>

Does it occur on stock 15? Nvidia GPU passthrough should work on stock 15, = so
please test it without patching any files.


--
Best regards,
Corvin


--
Ma= rio.
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Some are in systems, s= ome are in boxes, some will never be used, some have passive cooling, so= me have active, etc. Otherwise to say, generations of GPUs are important= for testing compatibility and operational consistency. I can potentiall= y run the same tests if there's more detailed information. Back when I had time for anything other than wasting my attention span o= n cleaning up the security messes from May's Github CVE, I was running a= lot of test-bench and workload profiling on 14.x with bhyve passthrough= for nvidia as well as CUDA support (without virtualization involved). W= hile reading these threads I wonder about the following: 1. What does your test harness look like? 2. What is your kernel config? 3. What version and config of everything is in use on the OS (hardware s= pecs, uefi with/without csm enabled, x2acpi opt-out, pcie lane settings,= aspm settings, bhyve global settings, qemu settings, vm specific settin= gs, pciconf output, uefi loader settings/flags, loader.conf settings, rc= .conf settings, pkg versions, driver versions, firmware version for the = MB and BMC, sysctl.conf settings, firmware version on the GPU, model of = GPU, nvidia driver version, etc) 4. Are you tracking and keeping syslog entries from the start to end of = the test runs? 5. Are you using additional process debugging for bhyve, kernel debug sy= mbol support, using drace + flamegraphs etc. 6. Which method of patching is used, what exactly was observed every tim= e a test iteration occurred? how idempotent and repeatable are your test= s? There's a lot of work to get from "doesn't work" to "it works", includin= g the necessary definition of "works" (are we talking, the VM can see th= e GPU, or the VM can use the GPU, the VM can see and use the GPU and als= o execute CUDA workloads on the GPU). Thanks, Eva On Wed, Jun 10, 2026, at 02:18, Mario Marietto wrote: > --> Does it occur on stock 15? . > > Error happened with stock 15 upgraded until 15p9. > > ---> Nvidia GPU passthrough should work on stock 15, so Please test it=20 > without patching any files. > > I asked Claude to create the patches because it didn't work with stock=20 > 15. With the patches created by Claude that I have applied it worked=20 > again. > > Mario. > > On Wed, Jun 10, 2026 at 10:59=E2=80=AFAM Corvin K=C3=B6hne wrote: >> On Tue, 2026-06-09 at 08:40 +0200, Mario Marietto wrote: >> > --- >> > > https://github.com/freebsd/freebsd-src/commit/effcd0ded0ef1c92bef= 29c1e9bbf51 >> > 7c97bb45b8 >> >=20 >> > oh ok. That's not the bug I was talking about. You gave no reply ab= out that >> > (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument on FreeBSD = 15*- >> > RELEASE).=20 >> >=20 >>=20 >> Does it occur on stock 15? Nvidia GPU passthrough should work on stoc= k 15, so >> please test it without patching any files. >>=20 >>=20 >> --=20 >> Best regards, >> Corvin > > > --=20 > Mario. 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Wed, 10 Jun 2026 18:27:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=duedinghausen.eu; s=default; t=1781108832; bh=2QVWXVaIRR9zcMjKCnyr3HaX9kBT/qWNwQ4JzcB8Kpk=; h=Date:Subject:To:References:From:In-Reply-To; b=Jpte7AezRehj257hUBbShyoFzcgqVbeWTHGdg6HcbzRzdj/JdTCfHOtAPIgypbTNu 8011YR+Jc0Ue/yuyPoa457E5zqDc4XfgnfAJ78uhehobVFU76ZEiLZ/S8EREzdtVhw CdvIVkSwKprqfPuNBFMEwYdzhMYDhdeJLWqRITQcokdGwOYDd/XFg9h/vdDF31R0uJ W4WZmeYTH446kI2PEWbcIPc/P9oNqapqcRrF9Oip6mxcCDvox2XAOTwprkJrKJvOT3 AB+MP0H9kcjJMQHlpLduUl47k03U+1k6COHeUJHtSIJAYnstDRTaLD6vPne0KW+r/h 9lrX98Qfavjhn3Z+qv5PPzewUKRdmBkFwn5XgAcfMWfYeT2q0IQhjr56eD/dD+loFF 8QeCQJZLWUkfY30E2ONrjM9FzNS8yNM2rJ82SBxOjpzyvAGQ30GYLqPlxb76ZngU9e cASmDTsBAgHv3SV2Y5PgZ0iO2117hjNaDxDJV6qWn4gOhv4Qls/aWWm3x7lWo+h++G DE6Eqqg/Mnje5gjU3Y3IXgllk+AYxX7G+SkCqqf1/7RMMsjAZtdLrqd7YorcLbv0FQ cfeBfDh7QPNWiXAQRQ9XI5jivk0wKTsp7GXnVMTTc9cqtpUhwVCVOnXMwIrWPS0LLC +G/7Lg2rJI2GOkq6vldjozsM= Message-ID: <6e6addbc-14e7-4025-98b9-0d3007f6d17d@Duedinghausen.eu> Date: Wed, 10 Jun 2026 18:26:52 +0200 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: =?UTF-8?Q?Re=3A_**=5BHelp=5D_bhyve=3A_bootrom=5Falloc=3A_vm=5Fmmap?= =?UTF-8?Q?=5Fmapseg=3A_Invalid_argument_=E2=80=94_NVIDIA_passthrough_with_C?= =?UTF-8?Q?orvin=27s_branch_on_FreeBSD_15=2E0**?= To: virtualization@freebsd.org References: <1bbf28a7-7025-4d83-937d-72d8583048ca@shrew.net> <368dc4ea87fea1c1082c5e54e4140f3cb43075a9.camel@FreeBSD.org> From: Stephan Althaus Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-4.89 / 15.00]; ARC_ALLOW(-1.00)[strato.com:s=strato-dkim-0002:i=1]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.988]; DMARC_POLICY_ALLOW(-0.50)[duedinghausen.eu,reject]; R_DKIM_ALLOW(-0.20)[hoewweken.de:s=strato-dkim-0002,hoewweken.de:s=strato-dkim-0003,duedinghausen.eu:s=default]; RCVD_IN_DNSWL_LOW(-0.10)[81.169.146.183:from]; MIME_GOOD(-0.10)[text/plain]; DKIM_TRACE(0.00)[hoewweken.de:+,duedinghausen.eu:+]; RCVD_TLS_ALL(0.00)[]; ASN(0.00)[asn:6724, ipnet:81.169.144.0/22, country:DE]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_NA(0.00)[no SPF record]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_TWO(0.00)[2]; PREVIOUSLY_DELIVERED(0.00)[virtualization@freebsd.org]; TO_DN_NONE(0.00)[]; MLMMJ_DEST(0.00)[virtualization@freebsd.org]; MIME_TRACE(0.00)[0:+] X-Spamd-Bar: ---- X-Rspamd-Queue-Id: 4gbB4z2scMz3lrt On 6/10/26 16:57, Eva Winterschön wrote: > Hi Mario, > > I have perhaps too many nvidia GPUs, from Maxwell generation to Kepler, Pascal, Turing, Ampere, and GB10 series, with consumer RTX in the mix but mostly datacenter grade SKUs from those series. Some are in systems, some are in boxes, some will never be used, some have passive cooling, some have active, etc. Otherwise to say, generations of GPUs are important for testing compatibility and operational consistency. I can potentially run the same tests if there's more detailed information. > > Back when I had time for anything other than wasting my attention span on cleaning up the security messes from May's Github CVE, I was running a lot of test-bench and workload profiling on 14.x with bhyve passthrough for nvidia as well as CUDA support (without virtualization involved). While reading these threads I wonder about the following: > > 1. What does your test harness look like? > 2. What is your kernel config? > 3. What version and config of everything is in use on the OS (hardware specs, uefi with/without csm enabled, x2acpi opt-out, pcie lane settings, aspm settings, bhyve global settings, qemu settings, vm specific settings, pciconf output, uefi loader settings/flags, loader.conf settings, rc.conf settings, pkg versions, driver versions, firmware version for the MB and BMC, sysctl.conf settings, firmware version on the GPU, model of GPU, nvidia driver version, etc) > 4. Are you tracking and keeping syslog entries from the start to end of the test runs? > 5. Are you using additional process debugging for bhyve, kernel debug symbol support, using drace + flamegraphs etc. > 6. Which method of patching is used, what exactly was observed every time a test iteration occurred? how idempotent and repeatable are your tests? > > There's a lot of work to get from "doesn't work" to "it works", including the necessary definition of "works" (are we talking, the VM can see the GPU, or the VM can use the GPU, the VM can see and use the GPU and also execute CUDA workloads on the GPU). > > Thanks, > > Eva > > > > On Wed, Jun 10, 2026, at 02:18, Mario Marietto wrote: >> --> Does it occur on stock 15? . >> >> Error happened with stock 15 upgraded until 15p9. >> >> ---> Nvidia GPU passthrough should work on stock 15, so Please test it >> without patching any files. >> >> I asked Claude to create the patches because it didn't work with stock >> 15. With the patches created by Claude that I have applied it worked >> again. >> >> Mario. >> >> On Wed, Jun 10, 2026 at 10:59 AM Corvin Köhne wrote: >>> On Tue, 2026-06-09 at 08:40 +0200, Mario Marietto wrote: >>>> --- >>>>> https://github.com/freebsd/freebsd-src/commit/effcd0ded0ef1c92bef29c1e9bbf51 >>>> 7c97bb45b8 >>>> >>>> oh ok. That's not the bug I was talking about. You gave no reply about that >>>> (bhyve: bootrom_alloc: vm_mmap_mapseg: Invalid argument on FreeBSD 15*- >>>> RELEASE). >>>> >>> Does it occur on stock 15? Nvidia GPU passthrough should work on stock 15, so >>> please test it without patching any files. >>> >>> >>> -- >>> Best regards, >>> Corvin >> >> -- >> Mario. HI! As a starting point, you could get relevant  informations with: # pciconf -lbcevV # grep vmm /boot/loader.conf # grep ppt /boot/loader.conf # acpidump -t | grep DMAR # kldstat # grep -iE '(vmm|ppt|APIC|DMAR|IOMMU|mapp)' /var/log/messages Regards, Stephan From nobody Wed Jun 10 17:33:22 2026 X-Original-To: virtualization@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gbCYH5K2qz6gs5Z for ; Wed, 10 Jun 2026 17:33:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gbCYH3v0zz3rhN for ; Wed, 10 Jun 2026 17:33:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781112803; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FbCl0+eAcwjDKwgVIicp56cnnFTdn/aDtvMqFTiR2J4=; b=boMjbtkdcCZgjXhrWd3hgqRJt/Je98MTZzTh/WtIblwueQPKyVtoh4gUkzPxdg9me4dmmZ RTyBEIo4Zw+xBSAiKB6DdY7VjHavtWQFg6fHxEzocHxMrYYif7RmqWJgnaDPl3DbjGzzjb HCpSndJ/gy/7Klmt9tZJCY4thuzEhshfYB1obgo13nB6XPLBTCZQA+YSxsePlTW8iwr5bs am+IZqgScGaLrLquqha6mN3QH36RaDOlflNnBhq99fjsJMYzay8aAb8yibO+VWLcCFI9rH mFQZmdwowFqsqTbKqaospGqGKcD5GhK6cbZCf2tu7ja84kMf0y19niHCIDdNGQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781112803; a=rsa-sha256; cv=none; b=oMNLAaej5WgsGFZ4/2Wd4G0ukKRGGp4/dDWNlK+QtyFV6AHkAMy0Yj5i43knT4/SNGk361 PG4SXxLo9pQ/5FvBKtjyYnKxHq13WhoURF0uVAHZIj3ECH+7f11UOuTldq0p2Q+XgVSsor zybm7JLMzs9msmuusoPZkjQGivvdJTvVyYIjaTUfEU7M1tPYrY8p6QYhYDGVgshn3V82+7 btz6A4x9KZON8hAA99IO3RgemYa7aI3TxacnCxN+uq/erHr+p8DFJKwjcJyc6GBlQdwXb4 2pfeXvYStb8XSwzUlhB9LQV6XE0Cj9gUALnR0VqqQouuhSaZZMEIjYd7Kh/JjQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781112803; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FbCl0+eAcwjDKwgVIicp56cnnFTdn/aDtvMqFTiR2J4=; b=vgYNH1usEyMc2Cf2QDFk7d8YV4y8VbFTgIczUPnNIdVDfi8R1j3g9kW7Di6WXJ8d2PZF19 Z/0sMsd0Ls24FjK8HTigwD3GvX7jFJ7thJkkAQkZsntuCQ0glG5jwRDeQk84bcSv0pSyPX LLVdJqJgXMDn25hou+fkhUc1hfN4eR2JFn6AdM6LbOUyh9GGUBwZWKbIJq1v99zb2NjwI6 8lv1QylRjrcnAe+sY/i+k8TithfYRgO7nUgZWrUlvDpcLE0r+w90DzB/73xyc9p15U+cVG yR+85p5ppDHXVfq2VnlgjWDP+rKWz5ta1nq46lW8GCer8Mhw/OIQHNW3Kod07w== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4gbCYH3TfMzGt for ; Wed, 10 Jun 2026 17:33:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 65AHXNG4051218 for ; Wed, 10 Jun 2026 17:33:23 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 65AHXNY4051217 for virtualization@FreeBSD.org; Wed, 10 Jun 2026 17:33:23 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 292897] sysutils/edk2 cannot boot old windows server 2008r2 Date: Wed, 10 Jun 2026 17:33:22 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: 9vlc@proton.me X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: blocked Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D292897 Alexey <9vlc@proton.me> changed: What |Removed |Added ---------------------------------------------------------------------------- Blocks| |295943 Referenced Bugs: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D295943 [Bug 295943] sysutils/edk2: Update to 202605 --=20 You are receiving this mail because: You are the assignee for the bug.=