Providing serial consoles to multiple bhyve guests

C. L. Martinez carlopmart at
Fri Feb 17 14:29:34 UTC 2017

On Fri, Feb 17, 2017 at 01:36:52PM +0100, Harald Schmalzbauer wrote:
>  Bezüglich C. L. Martinez's Nachricht vom 17.02.2017 09:50 (localtime):
> > Hi all,
> >
> >  How can I use more than one serial console for several bhyve guests? According to nmdm(4) man page only two nullmodem devices can be created: nmdm0A and nmdm0B (and only nmdm0A can be assigned to one bhyve guest). Then, how can I access to these bhyve guests?
> Am I wrong if I assume you confused the A/B hard-connected limit of two
> interfaces with the possibility to create nmdmN[AB] number of nmdm(4)
> devices?
> Simply use nmdm1A/B, nmdm2A/B etc.
> Not sure if I got the question rigth, answers from others don't go into
> that direction...

Yes, that was my question. Thanks Harry. I have read too quickly :)

> >  I have tried to add vnc channel, but it doesn't works ..:(
> I haven't had VNC problems besides keymapping. It's done twice and I
> haven't found a way or a client to disable keymapping locally on a
> session basis.
> Have you used the "wait" option for fbuf? Did the vm start to run after
> VNC connection attempt?
Yes, but I don't see anything in vncviewer console. Can be a problem with graphics controller on my laptop (my laptop is the bhyve host)?

C. L. Martinez

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