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List:       xen-users
Subject:    Re: [Xen-users] Problemi using vif-route script
From:       Giorgio Mossa <mossa () poisson ! phc ! unipi ! it>
Date:       2012-10-27 10:10:34
Message-ID: 20121027101033.GA2876 () intersect
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On Fri, Oct 26, 2012 at 07:30:18PM +0100, Ian Campbell wrote:
> 
> Can you post the relevant bit of the log please, so we can see if we can
> make it fail with a more helpful message.
> 
> Thanks,
> Ian.
> 

Well I don't know how much can anyone get from this log
without knowing which scripts called this  
anyway here's the extract of the log (I was using 'set -x')

++ dom0_ip
++ local nd=eth0
+++ ip_of eth0
+++ ip -4 -o addr show primary dev eth0
+++ awk '$3 == "inet" {split($4,i,"/"); print i[1]; exit}'
++ local result=
++ '[' -z '' ']'
++ fatal
++ _xenstore_write backend/vif/1/0/hotplug-error '' backend/vif/1/0/hotplug-status \
error ++ log debug 'Writing backend/vif/1/0/hotplug-error' '' \
backend/vif/1/0/hotplug-status 'error to xenstore.'

through grep I've found that vif-route called dom0_ip 
defined in vif-common.sh and this function arose a fatal because 
result which contains the output of the command `ip -4 -o addr show primary dev eth0`
is empty.

Hope this help,

thank you again 

Giorgio

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