Re: On some systems dnsmasq is not getting to run, even though configured

[Marius Kotsbak <marius kotsbak com>]

On 07. jan. 2013 15:01, Pavel Simerda wrote:
> ----- Original Message -----
> > From: "Chris Green" <cl isbd net>
> > To: networkmanager-list gnome org
> > Sent: Sunday, January 6, 2013 7:39:09 PM
> > Subject: On some systems dnsmasq is not getting to run, even though configured
> >
> > I have three systems here all running Ubuntu 12.10 (well, one is
> > Lubuntu, one is Xubuntu and one is just Ubuntu but that shouldn't
> > matter).
> >
> > On one (a 32-bit one) the default configuration of Network Manager
> > running dnsmasq works exactly as it should and /etc/resolv.conf is:-
> >
> >      # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> >      resolvconf(8)
> >      #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE
> >      OVERWRITTEN
> >      nameserver 127.0.1.1
> >      search zbmc.eu
> >
> >
> > On the other two (both 64-bit systems) although configured to run
> > dsnmasq from Network Manager it fails to run.  Their resolv.conf file
> > is:-
> >
> >      # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> >      resolvconf(8)
> >      #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE
> >      OVERWRITTEN
> >      nameserver 192.168.1.2
> >      search zbmc.eu
> >
> > This is correct (if dnsmasq isn't running) because I have a local
> > nameserver running at 192.168.1.2 on my LAN.
> >
> > One of the two systems where dnsmasq isn't running is a very basic,
> > recently installed system where I have done no reconfiguration at
> > all.
> > The other is my desktop machine and I *used* to have a dnsmasq
> > running
> > there as a complete DHCP and DNS server but I uninstalled the dnsmasq
> > and just left dnsmasq-base. (I have put the dns=dnsmasq line back
> > into
> > NetworkManager.conf).
> >
> > I'm just wondering if the common factor is Ubuntu 12.10 and 64-bit
> > (it
> > only used to work on 12.04 on my desktop system).
> >
> > Looking in /var/syslog on the 64-bit system one sees:-
> >
> >      Jan  6 15:39:52 test NetworkManager[900]: <info> DNS: loaded
> >      plugin dnsmasq
> >
> > but that's it, nothing further at all about dnsmasq, whereas on the
> > 32-bit system where it works there are lots of further messages from
> > NetworkManager about dnsmasq.
> >
> >
> > Does anyone have any ideas what might be wrong?

I think this might be affected by Ubuntu patching, so I think it is 
better to handle it in Launchpad for Ubuntu. Maybe one of those bug 
reports are related:

https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1003842

https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1048430

--
Marius