[Bug 1381042] [NEW] No networking after suspend and resume

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Paul White (paulw2u):

I started having problems with suspend and resume after upgrading to
kernel 3.13.0-37. Resume takes a long time, suspend sometimes takes me
to the log in screen and I have no networking after resuming (I need to
restart Network Manager). I am running Ubuntu 14.04 (64 bit) on a DELL
XPS 13 (full HD, Intel GPU) notebook. Everything works fine with kernel
3.13.0-36.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: network-manager 0.9.8.8-0ubuntu7
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
Date: Tue Oct 14 09:19:50 2014
ExecutablePath: /usr/sbin/NetworkManager
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2014-04-27 (170 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
IpRoute:
 default via 192.168.25.1 dev wlan0  proto static 
 192.168.25.0/24 dev wlan0  proto kernel  scope link  src 192.168.25.2  metric 9
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE     TYPE              STATE         DBUS-PATH                                  
 CC:07:AB:0D:ED:A4 bluetooth         disconnected  /org/freedesktop/NetworkManager/Devices/3  
 9C:65:B0:BF:D2:55 bluetooth         disconnected  /org/freedesktop/NetworkManager/Devices/2  
 30:19:66:26:90:06 bluetooth         disconnected  /org/freedesktop/NetworkManager/Devices/1  
 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: Confirmed


** Tags: amd64 apport-bug kubuntu trusty utopic
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No networking after suspend and resume
https://bugs.launchpad.net/bugs/1381042
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