Peter: the issue here is that this "error" is expected: on the very
first update after boot, dnsmasq will get spawned  during the update
phase, but is likely not going to be ready yet -- the update will "fail"
and fallback to writing the dns names directly to resolv.conf, instead
of writing 127.0.1.1 and using dnsmasq. Then when dnsmasq appears on the
bus the update is re-tried, and should succeed.

There's no indication of anythign wrong in the response you've given or
the log excerpt. Could you have run chattr +i on /etc/resolv.conf? See
what 'sudo lsattr /etc/resolv.conf' returns. Otherwise, make sure it's
properly a symlink to /run/resolvconf/resolv.conf, which should contain
the proper dns data already.

If all this fails, then we'll need to look at NetworkManager debug logs
(http://wiki.ubuntu.com/DebuggingNetworkManager) because something else
might be failing.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1048430

Title:
  "dnsmasq not available on the bus"

Status in “network-manager” package in Ubuntu:
  Incomplete

Bug description:
  Dnsmasq seems to be having some issues. This occurs whenever I try to
  connect to my wireless network; sometimes it only happens once, but
  sometimes the error loops for a while.

  Sep  9 17:43:51 bkerensa NetworkManager[935]: <info> DNS: starting dnsmasq...
  Sep  9 17:43:51 bkerensa NetworkManager[935]: <error> [1347237831.899067] 
[nm-dns-dnsmasq.c:390] update(): dnsmasq not available on the bus, can't update 
servers.
  Sep  9 17:43:51 bkerensa NetworkManager[935]: <error> [1347237831.899142] 
[nm-dns-dnsmasq.c:392] update(): dnsmasq owner not found on bus: Could not get 
owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Sep  9 17:43:51 bkerensa NetworkManager[935]: <warn> DNS: plugin dnsmasq 
update failed
  Sep  9 17:43:51 bkerensa NetworkManager[935]: <info> ((null)): writing 
resolv.conf to /sbin/resolvconf

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: dnsmasq (not installed)
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic x86_64
  ApportVersion: 2.5.1-0ubuntu7
  Architecture: amd64
  Date: Sun Sep  9 17:47:22 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: dnsmasq
  UpgradeStatus: Upgraded to quantal on 2012-08-08 (32 days ago)

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