Public bug reported:
After I resumed my laptop from suspend, it would not connect to wifi.
For a while, it seemed confused about its connection state, then it
displayed "disconnected", and showed that there were no wifi networks
available (which is not true).
To debug the problem, I ran "nmcli d wifi list", which showed no results.
Then I ran "iwlist scan", which also showed no results.
Then I tried "sudo iwlist scan" - which showed all the wifi networks, and
actually caused the network manager to start working again. It connected to a
network successfully, and so on.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: network-manager 0.9.8.8-0ubuntu7
ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
Uname: Linux 3.13.0-30-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Jun 21 22:12:35 2014
EcryptfsInUse: Yes
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2013-04-05 (443 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
IpRoute:
default via 192.168.1.1 dev wlan0 proto static
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.34 metric 9
SourcePackage: network-manager
UpgradeStatus: Upgraded to trusty on 2014-05-14 (39 days ago)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
wlan0 802-11-wireless connected
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI
WWAN-HARDWARE WWAN
running 0.9.8.8 connected enabled enabled
enabled enabled disabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1332904
Title:
Network manager stopped scanning for wifi networks
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