Re: VNC Viewer on Windows: Unable to access VMs GUI

From: Mario Marietto <marietto2008_at_gmail.com>
Date: Tue, 12 Mar 2024 11:53:05 UTC
Maybe because some patches haven't been upstreamed to 14.0 branch.

On Tue, Mar 12, 2024 at 12:49 PM Odhiambo Washington <odhiambo@gmail.com>
wrote:

> Actually, I am trying to figure out why they do not work after upgrade
> from FreeBSD 13 to 14. They used to work before.
> History:
> 1. My FreeBSD host lives in a Data Centre several kilometers from me. I
> only access it via SSH.
> 2. My FreeBSD host does not have a keyboard, mouse, or screen attached to
> it.
> 3. I use VNC Viewer to connect to the VMs like HOST_IP:PORT
>
>
> On Tue, Mar 12, 2024 at 2:36 PM Mario Marietto <marietto2008@gmail.com>
> wrote:
>
>> Hello my friend Odhiambo,
>>
>> you can try to pass your keyboard and mouse to a specific USB to pci
>> adapter,using an USB splitter to attach both the input devices. Actually
>> I'm using the one integrated on my nvidia gpu,RTX 2080 ti,that's :
>>
>> 02:00.0 VGA compatible controller: NVIDIA Corporation TU102 [GeForce RTX
>> 2080 Ti]
>> 02:00.1 Audio device: NVIDIA Corporation TU102 High Definition Audio
>> Controller
>> *02:00.2 USB controller: NVIDIA Corporation TU102 USB 3.1 Host Controller*
>> 02:00.3 Serial bus controller: NVIDIA Corporation TU102 USB Type-C UCSI
>> Controller
>>
>> For sure you will add the PCI address of the board between your bhyve
>> parameters,for example in my case :
>>
>> -s 8:2,passthru,2/0/2 \
>>
>> A single hardware solution would be a pcie riser which splits the pcie
>> port.
>>
>>
>> I've asked for a good USB controller some time ago :
>>
>>
>>
>> https://forums.freebsd.org/threads/im-looking-for-a-good-usb-controller-3-0-4-ports-self-powered-compatible-with-freebsd.83323/
>>
>>
>> If it’s only mouse and keyboard you could use bhyves virtio-input
>> emulation.
>>
>>
>> Corvin included virtio-input support in his github.
>>
>>
>> He committed virtio-input to 13.2 and 14.0 upstream.
>>
>>
>> From “man bhyve”
>>
>>
>>
>> https://www.freebsd.org/cgi/man.cgi?query=bhyve&apropos=0&sektion=8&manpath=FreeBSD+14.0-CURRENT&arch=default&format=html
>> ):
>>
>>
>>             Virtio      input device backends:
>>
>>
>>
>>             */dev/input/eventX*
>>
>>                        Send input    events of */dev/input/eventX* to
>> guest
>>
>>                        by      VirtIO Input Interface.
>>
>> On Tue, Mar 12, 2024 at 11:39 AM Odhiambo Washington <odhiambo@gmail.com>
>> wrote:
>>
>>>
>>> Even with this, my mouse pointer doesn't work:
>>>
>>> # Linux Guest
>>> bhyve -S -c sockets=2,cores=2,threads=2 -m 4G -w -H -A \
>>> -s 0,hostbridge \
>>> -s 3,ahci-cd,/usr/local/bhyve-vms/.iso/debian-12.5.0-amd64-DVD-1.iso \
>>> -s 4,virtio-blk,/usr/local/bhyve-vms/Debian/debian.img \
>>> -s 5,virtio-net,tap4 \
>>> -s 8,hda,play=/dev/dsp,rec=/dev/dsp \
>>> -s 29,fbuf,tcp=0.0.0.0:5905,w=1024,h=768 \
>>> -s 30,xhci,tablet \
>>> -s 31,lpc -l com1,stdio \
>>> -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd \
>>> debian
>>>
>>>
>>>
>>> On Wed, Feb 14, 2024 at 3:47 PM Mario Marietto <marietto2008@gmail.com
>>> <marietto2008@gmailcom>> wrote:
>>>
>>>> -s 3,fbuf,tcp=0.0.0.0:59 <http://0.0.0.0:5915>*15*,w=1600,h=950 \
>>>> -s 10,virtio-net,tap*15* \
>>>> *vm15* < /dev/null & sleep 2 && vncviewer *0:15*
>>>>
>>>> On Wed, Feb 14, 2024 at 1:19 PM Odhiambo Washington <odhiambo@gmail.com>
>>>> wrote:
>>>>
>>>>> Hellos,
>>>>>
>>>>> When I was still on FreeBSD 13.2-RELEASE I was able to access some
>>>>> Linux VMs GUI using VNC Viewer on my Windows PC.
>>>>> After I upgraded to 14-RELEASE, this changed: I can connect to the
>>>>> VMs, but the GUI desktop is frozen. The mouse cursor isn't moving at all
>>>>> and the Desktop doesn't load like before.
>>>>> I start all my VMs the same way:
>>>>>
>>>>> bhyve -c N -m NG -w -H \
>>>>> -s 0,hostbridge \
>>>>> -s 4,virtio-blk,/usr/local/bhyve-vms/DISTRONAME/distroname.img \
>>>>> -s 5,virtio-net,tapN \
>>>>> -s 8,hda,play=/dev/dsp,rec=/dev/dsp \
>>>>> -s 29,fbuf,tcp=0.0.0.0:59XX,w=1680,h=1050 \
>>>>> -s 30,xhci,tablet \
>>>>> -s 31,lpc -l com1,stdio \
>>>>> -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd \
>>>>> distroname
>>>>>
>>>>> I would then connect to a.b.c.d:59xx using VNC Viewer and I'd get the
>>>>> Linux/Windows Desktop.
>>>>> Not anymore!
>>>>>
>>>>> Is there something I need to do to fix the issue?
>>>>>
>>>>>
>>>>> --
>>>>> Best regards,
>>>>> Odhiambo WASHINGTON,
>>>>> Nairobi,KE
>>>>> +254 7 3200 0004/+254 7 2274 3223
>>>>>  In an Internet failure case, the #1 suspect is a constant: DNS.
>>>>> "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-)
>>>>> [How to ask smart questions:
>>>>> http://www.catb.org/~esr/faqs/smart-questions.html]
>>>>>
>>>>
>>>>
>>>> --
>>>> Mario.
>>>>
>>>
>>>
>>> --
>>> Best regards,
>>> Odhiambo WASHINGTON,
>>> Nairobi,KE
>>> +254 7 3200 0004/+254 7 2274 3223
>>>  In an Internet failure case, the #1 suspect is a constant: DNS.
>>> "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-)
>>> [How to ask smart questions:
>>> http://www.catb.org/~esr/faqs/smart-questions.html]
>>>
>>
>>
>> --
>> Mario.
>>
>
>
> --
> Best regards,
> Odhiambo WASHINGTON,
> Nairobi,KE
> +254 7 3200 0004/+254 7 2274 3223
>  In an Internet failure case, the #1 suspect is a constant: DNS.
> "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-)
> [How to ask smart questions:
> http://www.catb.org/~esr/faqs/smart-questions.html]
>


-- 
Mario.