avahi-daemon[590]: chroot.c: open() failed: No such file or directory

[dino99]

Get that error on a fresh mini.iso install

[uArtful 3] ~ > journalctl | grep avahi
avahi-daemon[581]: Found user 'avahi' (UID 116) and group 'avahi' (GID 122).
avahi-daemon[581]: Successfully dropped root privileges.
avahi-daemon[581]: avahi-daemon 0.6.32 starting up.
avahi-daemon[581]: Successfully called chroot().
avahi-daemon[581]: Successfully dropped remaining capabilities.
avahi-daemon[590]: chroot.c: open() failed: No such file or directory
avahi-daemon[581]: Failed to open /etc/resolv.conf: Invalid argument
avahi-daemon[581]: No service file found in /etc/avahi/services.
avahi-daemon[581]: Network interface enumeration completed.
avahi-daemon[581]: Server startup complete. Host name is uArtful.local. Local service cookie is 2251384537.
avahi-daemon[581]: Joining mDNS multicast group on interface enp2s0.IPv4 with address 192.168.1.2.
avahi-daemon[581]: New relevant interface enp2s0.IPv4 for mDNS.
avahi-daemon[581]: Registering new address record for 192.168.1.2 on enp2s0.IPv4.
avahi-daemon[581]: Joining mDNS multicast group on interface enp2s0.IPv6 with address fe80::7285:c2ff:fe23:9b4c.
avahi-daemon[581]: New relevant interface enp2s0.IPv6 for mDNS.
avahi-daemon[581]: Registering new address record for fe80::7285:c2ff:fe23:9b4c on enp2s0.*.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: avahi-daemon 0.6.32-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Oct 23 10:47:44 2017
SourcePackage: avahi
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[joshas (joshas)]

Same issue on Fedora has workaround: https://bugzilla.redhat.com/show_bug.cgi?id=1356304
Also reported on avahi issues tracker: https://github.com/lathiat/avahi/issues/153

[dino99 (9d9)]

https://github.com/lathiat/avahi/issues/153

NetworkManager-wait-online.service must be enable for this to work. To enable this service:

# systemctl enable NetworkManager-wait-online.service

(ref: https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget )

[dino99 (9d9)]

The ubuntu version is outdated, please sync it with Debian

http://metadata.ftp-master.debian.org/changelogs/main/a/avahi/avahi_0.7-3_changelog

[dino99 (9d9)]

#5 now landed into Bionic proposed archive

[dino99 (9d9)]

The 0.7-3 upgrade has not solved that error

[dino99 (9d9)]

This is now fixed