Public bug reported:
This began when I upgraded to Ubuntu 15.04. My workplace is in a place
in which the wifi signal from my network is weak. So, sometimes, it
loses the signal. A quick solution that sometimes works is turning
(either through hardware or gui) the wifi off and back on again.
However, it seems that when I do it a couple of times, no network will
be detected anymore (not even my neighbor's, which is strong here).
Rebooting will turn things back to normal.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: network-manager 0.9.10.0-4ubuntu15.1
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu May 14 20:41:02 2015
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2015-03-14 (61 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
IpRoute:
default via 192.168.0.1 dev wlan0 proto static metric 1024
169.254.0.0/16 dev wlan0 scope link metric 1000
192.168.0.0/24 dev wlan0 proto kernel scope link src 192.168.0.12
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
SourcePackage: network-manager
UpgradeStatus: Upgraded to vivid on 2015-05-12 (2 days ago)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2
Net-Virtua-360 d441223d-806f-46ab-b26e-6568883e3580
/org/freedesktop/NetworkManager/ActiveConnection/0
eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 --
-- --
wmx0 wimax 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 vivid
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https://bugs.launchpad.net/bugs/1455274
Title:
no wireless network detected after turning wifi off and on a few times
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