[libvirt-users] Error on running libvirt (dnsmasq)

Michal Privoznik mprivozn at redhat.com
Fri Apr 20 07:09:21 UTC 2012


On 20.04.2012 08:01, John Wayne wrote:
> Hi,
> 
> I am running libvirt on RHEL 6.2 and getting this below error when I start the daemon:
> 
> /usr/sbin/libvirtd --verbose
> 2012-04-20 06:00:13.366+0000: 26900: info : libvirt version: 0.9.11
> 2012-04-20 06:00:13.366+0000: 26900: error : virExecWithHook:424 : Cannot find 'dnsmasq' in path: No such file or directory
> 2012-04-20 06:00:13.405+0000: 26900: warning : ebiptablesDriverInit:4066 : Could not find 'ebtables' executable
> 2012-04-20 06:00:13.419+0000: 26900: error : virCommandWait:2306 : internal error Child process (/bin/sh -c IPT=/sbin/ip6tables
> cmd='$IPT -n -L FORWARD'
> eval res=\$\("${cmd} 2>&1"\)
> if [ $? -ne 0 ]; then  echo "Failure to execute command '${cmd}' : '${res}'.";  exit 1;fi
> ) status unexpected: exit status 1
> 2012-04-20 06:00:13.419+0000: 26900: error : ebiptablesDriverInit:4101 : Testing of ip6tables command failed: Failure to execute command '$IPT -n -L FORWARD' : 'WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.
> ip6tables v1.4.7: can't initialize ip6tables table `filter': Address family not supported by protocol
> Perhaps ip6tables or your kernel needs to be upgraded.'.
> 
> I compiled libvirt from the source, do I really need dnsmasq? 

No, unless you want to use the default network (or any variation of it).
That is - dnsmasq is used as DHCP server for guests. You can disable
autostart on the default network via virsh:

   virsh net-autostart --disable default

Michal




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