bhyve and serial port emulation problem

[Neel Natu]

Hi Olivier,

On Tue, Apr 29, 2014 at 2:12 PM, Olivier Cochard-Labbé
<olivier at cochard.me> wrote:
> Hi,
>
> I'm using the same nanobsd image on Virtualbox and bhyve (-CURRENT r265101).
>
> The nanobsd image I'm using is configured for serial port as default
> console:
>
> [root at nanobsd]~# cat /boot.config
> -S38400 -h
> [root at nanobsd]~# grep ttyu0 /etc/ttys
> ttyu0   "/usr/libexec/getty std.38400"  vt100   on secure
>
> The Virtualbox VM is configured for creating a serial pipe:
> VBoxManage modifyvm nanobsd --uart1 0x3F8 4 --uartmode1 server
> /tmp/nanobsd.serial
> and I connect to this guest using "socat unix-connect:/tmp/nanobsd.serial
> stdio,raw,echo=0,icanon=0"
> => And it's works without problem.
>
> The bhyve is configured with a com1 redirecting to a nmdm device: "-l
> com1,/dev/nmdm1"
> and I connect to this guest using "cu -l /dev/nmdm1B"
>
> => But this bhyve console didn't works correctly: I can't use tool like
> less/more (even ssh-keygen can't ask for a passphrase).
> If I run truss with these tools, It seems they hang for opening /dev/tty.
>
> Some differences between virtualbox and bhyve (don't know if it can help):
>
> [root at vbox_guest]~# kenv | grep console
> comconsole_pcidev=""
> comconsole_port="1016"
> comconsole_speed="9600"
> console="comconsole"
>
> [root at bhyve_guest]~# kenv | grep console
> console="userboot"
>

Can you share the command line options you pass the bhyve(8)?

best
Neel

> Regards,
>
> Olivier
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