Xen users - Jul 2006 - xm destroy blocking and is vif needed?

Hi,
i have to questions.
1: Is xm destroy blocking? Does it only return when the vm is completly 
destroyed, so that it is save to delete an imagefile directly after 
calling ''xm destroy image'' without further checks?
2:
If i ran
''xm create -c /dev/null kernel=/boot/vmlinuz-2.6.16-xenU name=small 
memory=64 disk=file:/home/julian/vserver/images/small.img,hda1,w 
root=/dev/hda1 ip=192.168.1.4 gateway=192.168.1.1''
the vms starts up. but without bringing eth0 up.

If i ran
''''xm create -c /dev/null kernel=/boot/vmlinuz-2.6.16-xenU
name=small
memory=64 disk=file:/home/julian/vserver/images/small.img,hda1,w 
root=/dev/hda1 ip=192.168.1.4 gateway=192.168.1.1''
vif=""''
the vm vms starts up with eth0 and works as exspected. The only 
differene is the vif=""-option. So, is this Option essential for 
networking? If it is, why?

Thanks,
Julian

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On Sat, 22 Jul 2006, Julian Hagenauer wrote:
> Hi,
> i have to questions.
> 1: Is xm destroy blocking?
I have no idea.
> 2:
<snip>
> the vm vms starts up with eth0 and works as exspected. The only
> differene is the vif=""-option. So, is this Option essential for
> networking? If it is, why?
It seems that vif=[ '''' ] (e.g. anything) became required
between 3.0.0 and
3.0.2-2. I would hazard a guess that it happened when the nics= config
parameter became deprecated. IMHO this should be considered a bug... and
the above should be considered the default, with vif=[] being used to turn
off networking...?

-Tom


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>It seems that vif=[ '''' ] (e.g. anything) became required
between 3.0.0 and
>3.0.2-2. I would hazard a guess that it happened when the nics= config
>parameter became deprecated. IMHO this should be considered a bug... and
>the above should be considered the default, with vif=[] being used to turn
>off networking...?
>  
>
Hi,
is there a official Bug-report describing this behaviour?

Thanks,
Julian

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