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Fri, 14 Feb 2025 13:55:34 -0800 (PST) Received: from [10.0.0.83] ([209.226.127.177]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e65d7a40b2sm25466766d6.58.2025.02.14.13.55.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Feb 2025 13:55:33 -0800 (PST) Content-Type: multipart/alternative; boundary="------------x6vcrPSs0YHO7KlxFzDKehy3" Message-ID: <5e1c08ca-4175-4a85-bc07-3ca73406454a@ambient-md.com> Date: Fri, 14 Feb 2025 16:55:23 -0500 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 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bhyve vm and virtio-console To: Michael Gmelin Cc: freebsd-virtualization@freebsd.org References: <2a0e1b92-4d63-4061-bc37-c5e72b8ef0ed@ambient-md.com> <20250214205752.6a12dbb4.grembo@freebsd.org> Content-Language: en-US From: Petru Garstea In-Reply-To: <20250214205752.6a12dbb4.grembo@freebsd.org> X-Rspamd-Queue-Id: 4Yvm7q1Nc2z3lsk X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] This is a multi-part message in MIME format. --------------x6vcrPSs0YHO7KlxFzDKehy3 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit I tried with the following command, and got the same result. */usr/sbin/bhyve -H -P -A -c 1 -m 1500M \ -s 0,hostbridge \ -s 6,virtio-console,0=/tmp/vtcon.0 \ -s 31,lpc \ -l bootrom,/tmp/BHYVE_UEFI.fd \ -s 1,virtio-blk,/tmp/fbsd.img \ -s 2,virtio-net,tap0 \ tmp* I also able to connect but the bidirectional connection is not happening *socat - UNIX-CONNECT:/tmp/vtcon.0 ls * PS: if I use null modem emulation instead virtio-console, then connecting with cu is not an issue. any ideas ? Thanks On 2/14/25 14:57, Michael Gmelin wrote: > > On Fri, 14 Feb 2025 14:21:07 -0500 > Petru Garstea wrote: > >> Hi, >> I am trying to configure bhyve vm with support of virtio-console, the >> following option is added to bhyve command line >> >> *-s 3,virtio-console,port1=/test/console.sock >> >> *However when trying to connect to socket with socat trere are no >> input/ouptut is observed. >> >> Has virtio-console ever worked ? >> > Yes it works, I just tried it using sysutils/vm-bhyve (just add > virt_console0="Yes" to the configuration file). > > Based on the logs, these device settings are used by it: > > bhyve devices: > -s 0,hostbridge \ > -s 31,lpc \ > -s 4:0,virtio-blk,/dev/zvol/zroot/vms/freebsd14-test/disk0 \ > -s 5:0,virtio-net,tap0,mac=58:9c:fc:aa:aa:aa \ > -s 6:0,virtio-console,0=/vms/freebsd14-test/vtcon.0 > > I could connect to /vms/freebsd14-test/vtcon.0 using socat: > > socat - UNIX-CONNECT:/vms/freebsd14-test/vtcon.0 > > Inside the vm it's /dev/vtcon/0. > > -m > --------------x6vcrPSs0YHO7KlxFzDKehy3 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

I tried with the following command, and got the same result.

/usr/sbin/bhyve -H -P -A -c 1 -m 1500M \
-s 0,hostbridge \
-s 6,virtio-console,0=/tmp/vtcon.0 \
-s 31,lpc \
-l bootrom,/tmp/BHYVE_UEFI.fd \
-s 1,virtio-blk,/tmp/fbsd.img \
-s 2,virtio-net,tap0 \
tmp


I also able to connect but the bidirectional connection is not happening

socat - UNIX-CONNECT:/tmp/vtcon.0
ls

PS: if I use null modem emulation instead virtio-console, then connecting with cu is not an issue.

any ideas ?

Thanks

On 2/14/25 14:57, Michael Gmelin wrote:


On Fri, 14 Feb 2025 14:21:07 -0500
Petru Garstea <peter.garshtja@ambient-md.com> wrote:


Hi,
I am trying to configure bhyve vm with support of virtio-console, the 
following option is added to bhyve command line

*-s 3,virtio-console,port1=/test/console.sock

*However when trying to connect to socket with socat trere are no 
input/ouptut is observed.

Has virtio-console ever worked ?


Yes it works, I just tried it using sysutils/vm-bhyve (just add
virt_console0="Yes" to the configuration file).

Based on the logs, these device settings are used by it:

    bhyve devices:
      -s 0,hostbridge \
      -s 31,lpc \
      -s 4:0,virtio-blk,/dev/zvol/zroot/vms/freebsd14-test/disk0 \
      -s 5:0,virtio-net,tap0,mac=58:9c:fc:aa:aa:aa \
      -s 6:0,virtio-console,0=/vms/freebsd14-test/vtcon.0

I could connect to /vms/freebsd14-test/vtcon.0 using socat:

    socat - UNIX-CONNECT:/vms/freebsd14-test/vtcon.0

Inside the vm it's /dev/vtcon/0.

-m
--------------x6vcrPSs0YHO7KlxFzDKehy3--