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[Jaime Pérez <19.jaime.91@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1323710

Title:
  After wake from suspend network-manager can't find wifi network

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I'm not sure if this is a network-manager problem or a pm problem.

  Since updating to trusty my laptop - Lenovo T510 - wakes from suspend
  without wifi. Initially there the nm gui control showed no networks
  and disonnected state. Ifconfig showed only the loopback. Wetting
  wlan0 to up brought it back but nm wouldn't connect.

  I created an unload_module entry and added:

  SUSPEND_MODULES="$SUSPEND_MODULES iwlwifi"

  to:

  /etc/pm/config.d/unload_modules

  
  After that the nm gui showed networks and tried to connect to the correct one but was unsuccessful.

  I created /etc/pm/sleep.d/network-manager-resume

  #!/bin/sh

  case "${1}" in
          resume|thaw)
          nmcli nm sleep false
                  ;;
  esac

  but this hasn't helped.

  I tried connecting directly using nmcli dev and got the error message:

  Error: Connection activation failed: (53) The Wi-Fi network could not
  be found.

  Rebooting after waking restores networking.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: network-manager 0.9.8.8-0ubuntu7
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue May 27 07:51:10 2014
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2013-11-19 (188 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
  IpRoute:
   default via 192.168.0.1 dev wlan0  proto static 
   192.168.0.0/24 dev wlan0  proto kernel  scope link  src 192.168.0.101  metric 9
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to trusty on 2014-05-01 (25 days ago)
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH                                 
   martin-5.0                b4ef8c22-9ae1-4058-8bfc-c6442634467c   802-11-wireless   1401202160   Tue 27 May 2014 07:49:20 AM PDT    yes           no         /org/freedesktop/NetworkManager/Settings/2
   Cisco03329                a94faf57-01c2-44ef-a474-1acb3523c839   802-11-wireless   1385160323   Fri 22 Nov 2013 02:45:23 PM PST    yes           no         /org/freedesktop/NetworkManager/Settings/1
   martin-5.0 1              d662b0e5-a70d-4010-b3f8-846b6166a22a   802-11-wireless   0            never                              yes           no         /org/freedesktop/NetworkManager/Settings/0
   Wired connection 1        05195919-bf9a-49c1-9991-64ce5d41c081   802-3-ethernet    1401198260   Tue 27 May 2014 06:44:20 AM PDT    yes           no         /org/freedesktop/NetworkManager/Settings/3
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   wlan0      802-11-wireless   connected     /org/freedesktop/NetworkManager/Devices/1  
   eth0       802-3-ethernet    unavailable   /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

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