Public bug reported:
Relatively recently, after I reboot Ubuntu 19.04, the wireless network
connects but DNS is not working. This is because the /etc/resolv.conf
file, which is a symlink to ../run/resolvconf/resolv.conf, has no
nameserver entries:
# 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.
Either turning the wireless card off and on again or running "sudo
systemctl restart systemd-resolved" fixes the problem.
This is also a problem after resuming from suspend - either the
resolv.conf file has no nameservers, or the previous nameservers are
still in it and appear before the new ones (so DNS queries time out).
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: network-manager 1.15.2-0ubuntu2
Uname: Linux 5.0.0-050000-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 8 17:30:17 2019
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2017-08-16 (569 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
IpRoute:
default via 10.1.1.1 dev wlp2s0 proto dhcp metric 600
10.1.1.0/24 dev wlp2s0 proto kernel scope link src 10.1.1.3 metric 600
169.254.0.0/16 dev wlp2s0 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: Upgraded to disco on 2019-01-15 (51 days ago)
WifiSyslog:
nmcli-dev:
DEVICE TYPE STATE IP4-CONNECTIVITY IP6-CONNECTIVITY
DBUS-PATH CONNECTION CON-UUID
CON-PATH
wlp2s0 wifi connected full limited
/org/freedesktop/NetworkManager/Devices/2 whisky5 1
b76ae48f-93bb-4e57-8f1e-aac201b9dacb
/org/freedesktop/NetworkManager/ActiveConnection/1
enx00e04c68026f ethernet unavailable limited limited
/org/freedesktop/NetworkManager/Devices/3 -- --
--
lo loopback unmanaged unknown unknown
/org/freedesktop/NetworkManager/Devices/1 -- --
--
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.15.2 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1819132
Title:
DNS is broken after reboot or suspend
Status in network-manager package in Ubuntu:
New
Bug description:
Relatively recently, after I reboot Ubuntu 19.04, the wireless network
connects but DNS is not working. This is because the /etc/resolv.conf
file, which is a symlink to ../run/resolvconf/resolv.conf, has no
nameserver entries:
# 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.
Either turning the wireless card off and on again or running "sudo
systemctl restart systemd-resolved" fixes the problem.
This is also a problem after resuming from suspend - either the
resolv.conf file has no nameservers, or the previous nameservers are
still in it and appear before the new ones (so DNS queries time out).
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: network-manager 1.15.2-0ubuntu2
Uname: Linux 5.0.0-050000-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 8 17:30:17 2019
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2017-08-16 (569 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
IpRoute:
default via 10.1.1.1 dev wlp2s0 proto dhcp metric 600
10.1.1.0/24 dev wlp2s0 proto kernel scope link src 10.1.1.3 metric 600
169.254.0.0/16 dev wlp2s0 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: Upgraded to disco on 2019-01-15 (51 days ago)
WifiSyslog:
nmcli-dev:
DEVICE TYPE STATE IP4-CONNECTIVITY IP6-CONNECTIVITY
DBUS-PATH CONNECTION CON-UUID
CON-PATH
wlp2s0 wifi connected full limited
/org/freedesktop/NetworkManager/Devices/2 whisky5 1
b76ae48f-93bb-4e57-8f1e-aac201b9dacb
/org/freedesktop/NetworkManager/ActiveConnection/1
enx00e04c68026f ethernet unavailable limited limited
/org/freedesktop/NetworkManager/Devices/3 -- --
--
lo loopback unmanaged unknown unknown
/org/freedesktop/NetworkManager/Devices/1 -- --
--
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.15.2 connected started full enabled enabled
enabled enabled enabled
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