This bug was fixed in the package systemd - 232-21ubuntu7
---------------
systemd (232-21ubuntu7) zesty; urgency=medium
* networkd: accept `:' in ifnames in systemd/networkd. (LP: #1714933)
* networkd: add support for ActiveSlave and PrimarySlave netdev options.
(LP: #1709135)
* Cherrypick upstream fix for a race between .mount and .automount units,
which currently may result in automounts hanging. (LP: #1709649)
* systemd.postinst: Fix-up version number check in the previous sru.
The version check in the postinst was too tight, thus the SRU fix failed
validation. (LP: #1710410)
systemd (232-21ubuntu6) zesty; urgency=medium
* link: Fix offload features initialization.
This fixes a regression introduced in v232 which caused TCP
segmentation offloads being disabled by default, resulting in
significant performance issues under certain conditions. (Closes: #864073)
(LP: #1703393)
* loginctl: Fix loginctl ignoring user given session IDs at command-line
(LP: #1682154)
* Disable fallback DNS servers.
This causes resolved to call-home to google, attempt to access network when
none is available, and spams logs. (LP: #1449001)
* initramfs-tools: trigger udevadm add actions with subsystems first.
This updates the initramfs-tools init-top udev script to trigger udevadm
actions with type specified. This mimicks the
systemd-udev-trigger.service. Without type specified only devices are
triggered, but triggering subsystems may also be required and should happen
before triggering the devices. This is the case for example on s390x with
zdev
generated udev rules. (LP: #1713536)
* Enable systemd-resolved by default. (LP: #1710410)
* core: fix systemd failing to serialize tasks correctly on daemon-reload.
(LP: #1702823)
-- Dimitri John Ledkov <x...@ubuntu.com> Wed, 04 Oct 2017 14:22:02
+0100
** Changed in: systemd (Ubuntu Zesty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1710410
Title:
Must run systemd-resolve --status before DNS resolving is operative
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Zesty:
Fix Released
Status in systemd source package in Artful:
Fix Released
Bug description:
[Impact]
systemd-resolved is not enabled by default, therefore relies on dbus
activation to become active and operatable and update resolvconf with resolved
stub resolver
[Fix]
Enable systemd-resolved in the src:systemd package by default, even when
libnss-resolve is not installed
[Regression Potential]
Minimal, simply the service is now started earlier in the boot, as part of
the multi-user.targer, rather than awaiting for dbus activation from command
line tool or the nss-resolved module.
[Testcase]
Debootstrap minimal zesty, without libnss-resolve package installed, boot and
check that 127.0.0.53 is present in /etc/resolv.conf and that
systemd-resolved.service is running
Context: fresh install of zesty via
debootstrap --include=nano,dbus,iputils-ping,iproute2 zesty zesty1
http://fr.archive.ubuntu.com/ubuntu
ran via asystemd-nspawn with a static IP
1. Upon first connexion, a ping fails:
root@zesty1:~# ping google.com
ping: google.com: Temporary failure in name resolution
2. The content of /etc/resolv.conf:
root@zesty1:~# cat /etc/resolv.conf
# 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
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
3. When running systemd-resolve --status:
root@zesty1:~# systemd-resolve --status
Global
DNS Servers: 8.8.8.8
8.8.4.4
2001:4860:4860::8888
2001:4860:4860::8844
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
(...)
4. After running this command the resolution is miraculously restored:
root@zesty1:~# ping google.com
PING google.com (172.217.22.142) 56(84) bytes of data.
64 bytes from 172.217.22.142 (172.217.22.142): icmp_seq=1 ttl=53 time=2.62 ms
64 bytes from 172.217.22.142 (172.217.22.142): icmp_seq=2 ttl=53 time=1.93 ms
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