Re: [Xen-users] qemu

["François Lapointe" <flapointe@xxxxxxxxx>]

I have the same problem when I try to use a HVM domain with
network-route or network-nat scripts (ie, when there's no bridge
created...) Para-virtualized domains work properly.

François

2006/12/11, Ryan Worsley <R.C.Worsley@xxxxxxxxxxxx>:
> Hi Jiri!
>
> I do have the module loaded and I have a node /dev/net/tun so that side
> of things seems to be ok.  If I manually try and create a tap adapter
> with ifconfig tap0 0.0.0.0 up then I still don't get a tap device, I
> have to use tunctl to create a tap device before I can do this.  So my
> thinking was, manually create a tap device with tunctl then start my
> guest VM.  However what happens is the guest attempts to create a tap
> device with a number 1 higher than the one I've created, it doesn't
> matter how many I try and make I get the same problem!!!!!  Frustrating yes?
>
> Ryan.
>
> Jiri Denemark wrote:
> > Hi.
> >
> >
> >> vif = [ ' ' ] and what I should have is vif = [ 'type=ioemu' ]  -
> >> However, if I have this configuration the virtual machine doesn't start,
> >>
> > Well, I have
> >
> >     vif = [ 'type=ioemu, bridge=xenbr0' ]
> >
> > which is the default taken from xmexample.hvm and everything works as
> > expected.
> >
> >
> >> looking in the most recent qemu log reveals that the TAP device could
> >> not be created, I have TUN/TAP installed as a kernel module
> >>
> > Hmm, do you have that module loaded into the kernel (lsmod)? If not, try to
> > insert it manually using modprobe. Perhaps, just autoloading doesn't work for
> > this module. I don't have TUN/TAP as a module as I had to load it manually for
> > OpenVPN...
> >
> > Jirka
> >
> >
>
>
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