I have the same problem with wired connections
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https://bugs.launchpad.net/bugs/1569674
Title:
[Kubuntu] Fail to connect to wifi after a recent update
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
I installed the recent updates in the Update Manager and after rebooting I
wasn't able to connect to my wifi network anymore.
It attempts to connect to the network and fails with the following error
message:
Failed to update connection [network name]
connection.gateway-ping-timeout: can not set property:
value "46730064" of type 'guint' is invalid or out of range for property
'gateway-ping-timeout' of type 'guint'
I am able to use wired connection.
1. release:
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
2. network-manager version:
network-manager:
Installed: 1.1.93-0ubuntu3
Candidate: 1.1.93-0ubuntu3
Version table:
*** 1.1.93-0ubuntu3 500
500 http://il.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
3. I expected the machine to connect to wifi as always
4. it failed to connect with the above error message
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.1.93-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Wed Apr 13 06:37:27 2016
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2016-04-01 (11 days ago)
InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160331)
IpRoute:
default via 10.100.102.1 dev enp0s31f6 proto static metric 100
10.100.102.0/24 dev enp0s31f6 proto kernel scope link src 10.100.102.5
metric 100
169.254.0.0/16 dev enp0s31f6 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=false
WWANEnabled=false
WimaxEnabled=true
RfKill:
0: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.NetworkManager.NetworkManager.conf:
2016-04-12T22:28:14.870844
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
enp0s31f6 ethernet connected /org/freedesktop/NetworkManager/Devices/0
Wired connection 1 d956dc0d-4de6-4f45-8869-a3703d8d0d28
/org/freedesktop/NetworkManager/ActiveConnection/1
wlp4s0 wifi unavailable /org/freedesktop/NetworkManager/Devices/2
-- -- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1
-- -- --
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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