*** This bug is a duplicate of bug 1585863 ***
https://bugs.launchpad.net/bugs/1585863
Probably not a duplicate of #1585863 because that bug says that the
network can be restored by performing `sudo wpa_cli scan`. I just tried
this and it does not work for me, only `sudo service network-manager
restart` seems to work as indicated in the bug description.
** Description changed:
Steps: Suspend, wait, resume, a few times.
The Network Manager applet shows WiFi is enabled and shows just one or a
handful of WiFi names, they don't include some that are known to be
available and in use on other computers.
Disabling and enabling WiFi does not fix the problem.
Disabling and enabling networking does not fix the problem.
Adding the following does not help:
- /etc/pm/config.d/unload_modules
+ /etc/pm/config.d/unload_modules
SUSPEND_MODULES="$SUSPEND_MODULES iwlwifi"
+
+ Running `sudo wpa_cli scan` does not restore the network connection. I
+ only mention this because of a similar bug where this is an effective
+ workaround.
Only workaround which works perfectly and instantly is to run:
sudo service network-manager restart
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.0-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jun 4 18:18:50 2016
IfupdownConfig:
- # interfaces(5) file used by ifup(8) and ifdown(8)
- auto lo
- iface lo inet loopback
+ # interfaces(5) file used by ifup(8) and ifdown(8)
+ auto lo
+ iface lo inet loopback
InstallationDate: Installed on 2016-05-30 (4 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
IpRoute:
- default via 192.168.43.1 dev wlp2s0 proto static metric 600
- 169.254.0.0/16 dev wlp2s0 scope link metric 1000
- 192.168.43.0/24 dev wlp2s0 proto kernel scope link src 192.168.43.89
metric 600
+ default via 192.168.43.1 dev wlp2s0 proto static metric 600
+ 169.254.0.0/16 dev wlp2s0 scope link metric 1000
+ 192.168.43.0/24 dev wlp2s0 proto kernel scope link src 192.168.43.89
metric 600
NetworkManager.state:
- [main]
- NetworkingEnabled=true
- WirelessEnabled=true
- WWANEnabled=true
+ [main]
+ NetworkingEnabled=true
+ WirelessEnabled=true
+ WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
- DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
- wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/0
HTC Portable Hotspot DF99 c29b59ba-b6ef-49db-b159-75ec21d3f436
/org/freedesktop/NetworkManager/ActiveConnection/0
- enp1s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 --
-- --
- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 --
-- --
+ DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
+ wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/0
HTC Portable Hotspot DF99 c29b59ba-b6ef-49db-b159-75ec21d3f436
/org/freedesktop/NetworkManager/ActiveConnection/0
+ enp1s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 --
-- --
+ lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 --
-- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code
2: Error: Object 'nm' is unknown, try 'nmcli help'.
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https://bugs.launchpad.net/bugs/1589125
Title:
WiFi does not work after about 1 in 4 suspends
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