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Sun, 12 Feb 2023 18:49:52 +0100 (CET) Message-ID: <029a09a6-ef24-9f6e-f84b-d817738300aa@xavierhumbert.net> Date: Sun, 12 Feb 2023 18:49:52 +0100 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-virtualization@freebsd.org X-BeenThere: freebsd-virtualization@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:110.0) Gecko/20100101 Thunderbird/110.0 Subject: Re: Bhyve exit code 4 with PCI passthru From: Xavier Humbert To: freebsd-virtualization@freebsd.org References: Content-Language: fr In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------A7I0JUdULDTvWfihwCE988re" X-Spamd-Result: default: False [-5.39 / 15.00]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.998]; NEURAL_HAM_SHORT(-0.99)[-0.995]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; 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Sun, 12 Feb 2023 21:00:52 GMT (envelope-from bugzilla-noreply@FreeBSD.org) Message-Id: <202302122100.31CL0qMe024643@kenobi.freebsd.org> X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@FreeBSD.org using -f From: bugzilla-noreply@FreeBSD.org To: virtualization@FreeBSD.org Subject: Problem reports for virtualization@FreeBSD.org that need special attention Date: Sun, 12 Feb 2023 21:00:52 +0000 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-virtualization@freebsd.org X-BeenThere: freebsd-virtualization@freebsd.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="16762356520.95cdbDF9C.18574" Content-Transfer-Encoding: 7bit X-ThisMailContainsUnwantedMimeParts: N --16762356520.95cdbDF9C.18574 Date: Sun, 12 Feb 2023 21:00:52 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To view an individual PR, use: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id). The following is a listing of current problems submitted by FreeBSD users, which need special attention. These represent problem reports covering all versions including experimental development code and obsolete releases. Status | Bug Id | Description ------------+-----------+--------------------------------------------------- In Progress | 247208 | mpt(4): VMWare virtualized LSI controller panics New | 240945 | [hyper-v] [netvsc] hn network driver incorrectly Open | 244838 | "bectl activate -t" does not honor the -t flag in 3 problems total for which you should take action. --16762356520.95cdbDF9C.18574 Date: Sun, 12 Feb 2023 21:00:52 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" 
The following is a listing of current problems submitted by FreeBSD users,
which need special attention. These represent problem reports covering
all versions including experimental development code and obsolete releases.

Status      |    Bug Id | Description
------------+-----------+---------------------------------------------------
In Progress |    247208 | mpt(4): VMWare virtualized LSI controller panics 
New         |    240945 | [hyper-v] [netvsc] hn network driver incorrectly 
Open        |    244838 | "bectl activate -t" does not honor the -t flag in

3 problems total for which you should take action.
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To: freebsd-virtualization@freebsd.org Content-Type: multipart/alternative; boundary="000000000000c13b2105f492db42" X-Spamd-Result: default: False [-2.30 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[jarradhope-com.20210112.gappssmtp.com:s=20210112]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::112e:from]; MLMMJ_DEST(0.00)[freebsd-virtualization@freebsd.org]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_SPF_NA(0.00)[no SPF record]; MIME_TRACE(0.00)[0:+,1:+,2:~]; DKIM_TRACE(0.00)[jarradhope-com.20210112.gappssmtp.com:+]; DMARC_NA(0.00)[jarradhope.com]; RCPT_COUNT_ONE(0.00)[1]; FREEFALL_USER(0.00)[me]; ARC_NA(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_HAS_DN(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 4PFhQK5rF0z3nvN X-Spamd-Bar: -- X-ThisMailContainsUnwantedMimeParts: N --000000000000c13b2105f492db42 Content-Type: text/plain; charset="UTF-8" Does Bhyve support a form of shared memory between VMs for low-latency inter-vm communication? I am interested in implementing something similar to Xen's vchan, it relies on Xen's grant reference table mechanism and event channels associated with the shared memory region (ring buffer) The purpose for doing so is to create secure communication between VM's ala Qube's qrexec protocol. https://www.cs.uic.edu/~xzhang/vchan/ https://mirage.io/blog/introducing-vchan https://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/include/public/io/libxenvchan.h;hb=HEAD https://www.qubes-os.org/doc/qrexec-internals/ --000000000000c13b2105f492db42 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Does Bhyve support a form of shared memory between VM= s for low-latency inter-vm communication?

I am int= erested in implementing something similar to Xen's vchan, it relies on Xen's grant reference=20 table mechanism and event channels associated with the shared memory regio= n (ring buffer)

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