Public bug reported:
Each time my laptop is suspended and resumed, Network Manager seems
unable to bring up Wifi.
Calling...
sudo service network-manager restart
...resolves the problem.
I therefore placed the attached file at...
/lib/systemd/system-sleep/network-manager
...which provides a workaround for the problem. However, there must be
some kind of underlying bug in network-manager which requires it to be
restarted after every suspend/resume cycle.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.6-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: LXDE
Date: Tue Mar 28 10:21:35 2017
EcryptfsInUse: Yes
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 192.168.1.1 dev wlp1s0 proto static metric 600
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
192.168.1.0/24 dev wlp1s0 proto kernel scope link src 192.168.1.203 metric
600
JournalErrors:
Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000']
failed with exit code 1: Hint: You are currently not seeing messages from other
users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
docker0 bridge connected /org/freedesktop/NetworkManager/Devices/1
docker0 ac7e4d66-b979-41de-b4b2-6f7c5dffc232
/org/freedesktop/NetworkManager/ActiveConnection/0
wlp1s0 wifi connected /org/freedesktop/NetworkManager/Devices/0
Kitchen 2 937ae07a-fb47-46ac-91a4-0fe200203a95
/org/freedesktop/NetworkManager/ActiveConnection/1
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 --
-- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.2.6 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Attachment added: "Systemd file - placed at
/lib/systemd/system-sleep/network-manager"
https://bugs.launchpad.net/bugs/1676810/+attachment/4848593/+files/network-manager.CH
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https://bugs.launchpad.net/bugs/1676810
Title:
Network Manager needs restarting from sleep
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