Public bug reported:
After upgrading to artful systemd-resolved is failing to resolve dns. It
seems DNSSEC validation is failing but shouldnt that be disabled by
default like it was in zesty?
$ systemctl status systemd-resolved.service
● systemd-resolved.service - Network Name Resolution
Loaded: loaded (/lib/systemd/system/systemd-resolved.service; enabled;
vendor preset: enabled)
Drop-In: /lib/systemd/system/systemd-resolved.service.d
└─resolvconf.conf
Active: active (running) since Sun 2017-05-14 13:45:27 AEST; 29min ago
Docs: man:systemd-resolved.service(8)
http://www.freedesktop.org/wiki/Software/systemd/resolved
http://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
http://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
Process: 12092 ExecStartPost=/bin/sh -c [ ! -e /run/resolvconf/enable-updates
] || echo "nameserver 127.0.0.53" | /sbin/resolvconf -a systemd-resolved (code
Main PID: 12089 (systemd-resolve)
Status: "Processing requests..."
Tasks: 1 (limit: 4915)
CGroup: /system.slice/systemd-resolved.service
└─12089 /lib/systemd/systemd-resolved
May 14 14:06:42 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question changelogs.ubuntu.com IN SOA: failed-auxiliary
May 14 14:06:42 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question changelogs.ubuntu.com IN A: failed-auxiliary
May 14 14:06:43 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question changelogs.ubuntu.com IN SOA: failed-auxiliary
May 14 14:06:43 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question changelogs.ubuntu.com IN A: failed-auxiliary
May 14 14:09:31 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question launchpad.net IN SOA: failed-auxiliary
May 14 14:09:31 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question launchpad.net IN A: failed-auxiliary
May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question search.apps.ubuntu.com IN SOA: failed-auxiliary
May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question search.apps.ubuntu.com IN A: failed-auxiliary
May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question search.apps.ubuntu.com IN SOA: failed-auxiliary
May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for
question search.apps.ubuntu.com IN A: failed-auxiliary
$ systemd-resolve --status
Link 3 (wlp3s0)
Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: allow-downgrade
DNSSEC supported: yes
DNS Servers: 192.168.15.1
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: systemd 233-6ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
Uname: Linux 4.10.0-20-generic x86_64
ApportVersion: 2.20.4-0ubuntu7
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun May 14 14:17:46 2017
InstallationDate: Installed on 2016-03-18 (421 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64
(20160317)
MachineType: LENOVO 2764CTO
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic
root=UUID=3664c32a-e900-46b0-bd17-848f08c17bbe ro quiet splash vt.handoff=7
SourcePackage: systemd
UpgradeStatus: Upgraded to artful on 2017-05-13 (0 days ago)
dmi.bios.date: 10/17/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET94WW (3.24 )
dmi.board.name: 2764CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn2764CTO:pvrThinkPadT400:rvnLENOVO:rn2764CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2764CTO
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
modified.conffile..etc.systemd.logind.conf: [modified]
modified.conffile..etc.systemd.resolved.conf: [modified]
mtime.conffile..etc.systemd.logind.conf: 2017-05-13T15:35:01.923954
mtime.conffile..etc.systemd.resolved.conf: 2017-05-14T14:16:55.303043
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful third-party-packages
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https://bugs.launchpad.net/bugs/1690605
Title:
systemd-resolved: no dns resolution after upgrade to Artful
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