[Bug 1568787] Re: resolvconf does not reliable receive nameserver information from NetworkManager

[Vadász Zoltán B.]

I first experience this issue with nm version 1.8.2-1ubuntu1 in an - as
of writing fully updated - 17.04.

Syslog will be attached, from that you can see that dnsmask gets the
nameserver, networkmanager gets it too, but it doesn't make to
resolv.conf, that will only have the stub resolver.

/etc/resolv.conf is a link ending in /run/resolvconf/resolv.conf.

Workaround is to manually add the nameserver to resolv conf and comment
out "dns=dnsmasq" in /etc/NetworkManager/NetworkManager.conf which is
really annoying on a laptop which you move around a lot.

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to dbus in Ubuntu.
https://bugs.launchpad.net/bugs/1568787

Title:
  resolvconf does not reliable receive nameserver information from
  NetworkManager

Status in dbus package in Ubuntu:
  Confirmed
Status in dnsmasq package in Ubuntu:
  Confirmed
Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  resolvconf does not reliable receive nameserver information from
  NetworkManager.

  In the journal I see things like:

  Apr 11 11:13:52 ottawa dnsmasq[3122]: setting upstream servers from DBus
  Apr 11 11:13:52 ottawa dnsmasq[3122]: using nameserver fe80::1#53
  Apr 11 11:13:52 ottawa dnsmasq[3122]: using nameserver 192.168.1.254#53
  Apr 11 11:13:52 ottawa dbus[978]: [system] Rejected send message, 13 matched rules; type="method_return", sender=":1.99" (uid=0 pid=3122 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.8" (uid=0 pid=1017 comm="/usr/sbin/NetworkManager --no-daemon ")

  Apr 11 11:04:21 ottawa NetworkManager[1017]: <info>  DNS: starting dnsmasq...
  Apr 11 11:04:21 ottawa NetworkManager[1017]: <warn>  dnsmasq not available on the bus, can't update servers.
  Apr 11 11:04:21 ottawa NetworkManager[1017]: <error> [1460369061.825658] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name

  Doing this via dbus seems really odd, but I suspect messages between
  NetworkManager and the dnsmasq it spawns should not be rejected.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: dnsmasq-base 2.75-1
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Apr 11 11:17:34 2016
  InstallationDate: Installed on 2016-01-26 (76 days ago)
  InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160125)
  SourcePackage: dnsmasq
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/1568787/+subscriptions