[Libguestfs] supermin appliances and host connectivity

[Joel Uckelman]

On Wed, Jun 1, 2011 at 6:45 PM, Richard W.M. Jones <rjones at redhat.com>wrote:

> On Wed, Jun 01, 2011 at 03:10:20PM +0200, Joel Uckelman wrote:
> > I think I've fished out the command-line options you send to qemu-kvm:
> >
> > qemu-kvm -kernel kernel -initrd initrd -hda root -device virtio-serial
> > -serial stdio -chardev
> >
> socket,path=/home/uckelman/projects/lightbox/supermin/foo,id=channel0,name=org.libguestfs.channel.0
> >
> > Thanks for that.
> >
> > I can definitely run my appliance this way if I already have something
> > listening on that FIFO before launching qemu. (E.g.: socat
> > UNIX-LISTEN:foo STDOUT) The piece of the puzzle I'm still missing is
> > how to connect to the socket from the guest side. I was expecting to
> > find something in the guest's /dev, but I have the same entries there
> > as before.
>
> It seems likely that you either don't have udev running in the guest
> or your guest kernel is too old.  IIRC it has to be >= 2.6.36 in order
> to support virtio-serial.
>
> Rich.
>

Yes, I don't have udev running. Adding udev to the package list for building
the appliance seems not to be enough, as there's apparently nothing starting
it. What's the proper way to start udev in this situation?
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