[Bug 1542033] Re: avahi-daemon doesn't start

[Bryan Quigley]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Is there anything different about your Avahi setup or your system setup?
(try running sudo dpkg -V)

Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1626258

When reporting bugs in the future please use apport by using 'ubuntu-
bug' and the name of the package affected. You can learn more about this
functionality at https://wiki.ubuntu.com/ReportingBugs.

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https://bugs.launchpad.net/bugs/1542033

Title:
  avahi-daemon doesn't start

Status in avahi package in Ubuntu:
  Confirmed

Bug description:
  While upgrading from 14.04 to 16.04 yesterday, I notived that avahi-
  daemon doesn't start.

  Log:
  Feb 04 22:00:15 michis-ibm-haupt systemd[1]: Starting Avahi mDNS/DNS-SD Stack...
  -- Subject: Unit avahi-daemon.service has begun start-up
  -- Defined-By: systemd
  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
  -- 
  -- Unit avahi-daemon.service has begun starting up.
  Feb 04 22:00:15 michis-ibm-haupt audit[13101]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/avahi-daemon" name="/etc/ld.so.preload" pid=13101 comm="avahi-daemon" requested_mask="r" denied_ma
  Feb 04 22:00:15 michis-ibm-haupt kernel: audit: type=1400 audit(1454619615.281:301): apparmor="DENIED" operation="open" profile="/usr/sbin/avahi-daemon" name="/etc/ld.so.preload" pid=13101 comm="avahi-da
  Feb 04 22:00:15 michis-ibm-haupt kernel: audit: type=1400 audit(1454619615.285:302): apparmor="DENIED" operation="chown" profile="/usr/sbin/avahi-daemon" name="/run/avahi-daemon/" pid=13101 comm="avahi-d
  Feb 04 22:00:15 michis-ibm-haupt audit[13101]: AVC apparmor="DENIED" operation="chown" profile="/usr/sbin/avahi-daemon" name="/run/avahi-daemon/" pid=13101 comm="avahi-daemon" requested_mask="w" denied_m
  Feb 04 22:00:15 michis-ibm-haupt avahi-daemon[13101]: Failed to create runtime directory /var/run/avahi-daemon/.
  Feb 04 22:00:15 michis-ibm-haupt systemd[1]: avahi-daemon.service: Main process exited, code=exited, status=255/n/a
  Feb 04 22:00:15 michis-ibm-haupt systemd[1]: Failed to start Avahi mDNS/DNS-SD Stack.

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