Public bug reported:
Repro steps:
1. Configure ethernet not to enable automatically when plugged in.
2. Plug laptop into ethernet and enable ethernet connection.
3. Disable wifi.
4. Confirm that you have network connectivity.
5. Suspend laptop.
6. Unplug ethernet.
7. Wake laptop.
NetworkManager hangs forever trying to reestablish the ethernet
connection that is no longer there. You can't even interrupt it because
the "Disconnect" menu item is greyed out (see screenshot). Only recovery
is to restart NetworkManager. Sometimes it seems like I even have to
restart it twice to recover.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: network-manager 1.4.4-1ubuntu3
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Wed Jun 7 13:18:23 2017
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2017-05-19 (19 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
IpRoute:
default via 192.168.43.1 dev wlp3s0 proto static metric 600
169.254.0.0/16 dev virbr0 scope link metric 1000 linkdown
192.168.43.0/24 dev wlp3s0 proto kernel scope link src 192.168.43.50 metric
600
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.NetworkManager.NetworkManager.conf:
2017-05-19T14:16:03.840790
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.4.4 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
** Attachment added: "Selection_005.png"
https://bugs.launchpad.net/bugs/1696502/+attachment/4891480/+files/Selection_005.png
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https://bugs.launchpad.net/bugs/1696502
Title:
Suspend laptop while ethernet is connected with wifi disabled, unplug
ethernet, wake laptop, NetworkManager never recovers
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