*** This bug is a duplicate of bug 1639776 ***
https://bugs.launchpad.net/bugs/1639776
** This bug is no longer a duplicate of bug 1631241
Name resolution stops working after resume from suspend
** This bug has been marked a duplicate of bug 1639776
dnsmasq fails to send queries out after suspend disconnects the interface
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Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1633912
Title:
Problem with DNS resolution after suspend
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
I upgraded my laptop to 16.10 yesterday. Sometimes after suspend I
have network issues, one time I was not able to connect to a wifi
network (might report another bug if this occurees again, but maybe it
is related, as in network-manager is in some broken state after
suspend).
Here is whats happening pretty often: After resume from suspend I have
a solid network connection, no problem to ping machines in LAN or on
the internet. But DNS resolution is broken until I restart the
network-manager service.
I ran ubuntu-bug while DNS was broken, so if anything gets log-ed it
should be in there.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: network-manager 1.2.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Oct 16 21:01:09 2016
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2016-09-28 (18 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
IpRoute:
default via 192.168.0.1 dev wlp58s0 proto static metric 600
169.254.0.0/16 dev br-541a0f9bec93 scope link metric 1000
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
172.18.0.0/16 dev br-541a0f9bec93 proto kernel scope link src 172.18.0.1
192.168.0.0/24 dev wlp58s0 proto kernel scope link src 192.168.0.118
metric 600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: Upgraded to yakkety on 2016-10-15 (1 days ago)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.2.4 connected started full enabled enabled
enabled enabled enabled
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