Public bug reported:
Sometimes network-manager stops finding any wifi network. I'm still
investigating in what circumstances does it happen. The last time it
happened after logging out and back in (switching optimus GPU).
Workaround:
sudo service network-manager restart
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.1.93-0ubuntu4
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Apr 22 08:49:03 2016
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2015-03-21 (397 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150321)
IpRoute:
default via 192.168.1.1 dev wlan0 proto static metric 600
10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
169.254.0.0/16 dev lxcbr0 scope link metric 1000
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.106 metric
600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
lxcbr0 bridge connected /org/freedesktop/NetworkManager/Devices/0
lxcbr0 7fd1e377-d0ea-4999-b2a6-5011fe4cfa3b
/org/freedesktop/NetworkManager/ActiveConnection/0
wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/1
GONNESA e19c4e31-7de8-4c0d-a7db-47d4b59a55c8
/org/freedesktop/NetworkManager/ActiveConnection/1
eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/2 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/3 --
-- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2:
Error: Object 'nm' is unknown, try 'nmcli help'.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1573428
Title:
network-manager not finding any wifi network
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