Public bug reported:
This is something new in Ubuntu 17.04. Whenever I boot up or upon
returning from sleep, I don't have DNS resolution available. What I have
to do is go and shutdown systemd-resolved (sudo service systemd-resolved
stop) and edit /etc/resolv.conf to point to 192.168.1.1 (my router)
instead of 127.0.0.53. Then everything works peachy. Otherwise any DNS
resolution attempt will result in SERVFAIL.
Since this is a major issue out of the box and I don't see any other bug
report on this yet, I wanted to report it. This happens both on my
laptop and my desktop PC, so it's not something strange on a single
machine, but since no one else is complaining about it yet, it may be
related to my network configuration. My router forwards DNS requests to
an ODROID C2 on the same subnet, which then does the DNS resolution via
dnsmasq. Dnsqmasq is set up to forward the requests to multiple DNS
servers and respond with whichever one was fastest.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: systemd 232-8
ProcVersionSignature: Ubuntu 4.9.0-11.12-generic 4.9.0
Uname: Linux 4.9.0-11-generic x86_64
ApportVersion: 2.20.4-0ubuntu1
Architecture: amd64
CurrentDesktop: MATE
Date: Mon Jan 16 08:51:43 2017
InstallationDate: Installed on 2017-01-08 (7 days ago)
InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Alpha amd64 (20170107)
MachineType: LENOVO 7675CTO
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.9.0-11-generic
root=UUID=b64995c7-1fd6-405b-b7ee-de3e56fe0617 ro quiet splash zswap.enabled=1
vt.handoff=7
SourcePackage: systemd
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/22/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 7NETC2WW (2.22 )
dmi.board.name: 7675CTO
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:bvr7NETC2WW(2.22):bd03/22/2011:svnLENOVO:pn7675CTO:pvrThinkPadX61:rvnLENOVO:rn7675CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7675CTO
dmi.product.version: ThinkPad X61
dmi.sys.vendor: LENOVO
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
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https://bugs.launchpad.net/bugs/1656830
Title:
No DNS resolution caused by systemd-resolved
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