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[Launchpad Bug Tracker <1323416@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: network-manager (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1323416

Title:
  Problems with Wireless since upgrade to 14.04

Status in “network-manager” package in Ubuntu:
  Confirmed

Bug description:
  My laptop is a Toshiba Satellite L750, which has a Qualcomm Atheros
  AR9285 Wireless Network Adapter in it. When I was running 13.10 it all
  worked perfectly fine, but ever since I upgraded to 14.04 - literally,
  ever since the reboot after installing it - it has been problematic.
  The curious thing is though, it is only problematic connecting to the
  home Wi-fi and not to other wi-fi services. Specifically, I am now
  connected to my Android phone acting as a wi-fi hotspot so that I can
  post this question, and it works perfectly. This laptop is the only
  device in the house that has trouble connecting to this wi-fi router
  as well - our tablets and phones all connect perfectly well, as does
  my partners Windows laptop. Also, the connection to the home wi-fi
  will sometimes work perfectly well and other times just not work at
  all, and the only thing I've been able to find that will make any
  difference at all is to just wait and try again later. If it doesn't
  work now - which it doesn't - then in an hours time it might work
  perfectly well as if nothing was wrong, but if I then shut the lid and
  come back it will stop working again...

  Information:

  $ lspci | grep -Ei wireless
  02:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
  $ lshw
  .....
             *-network
                  description: Wireless interface
                  product: AR9285 Wireless Network Adapter (PCI-Express)
                  vendor: Qualcomm Atheros
                  physical id: 0
                  bus info: pci@0000:02:00.0
                  logical name: wlan0
                  version: 01
                  serial: e0:ca:94:98:ec:00
                  width: 64 bits
                  clock: 33MHz
                  capabilities: bus_master cap_list ethernet physical wireless
                  configuration: broadcast=yes driver=ath9k driverversion=3.13.0-24-generic firmware=N/A ip=192.168.43.212 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
                  resources: irq:17 memory:c0500000-c050ffff
  .....
  $ uname -a
  Linux daedalus 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  A section of /var/log/syslog from when it tries to connect to the home
  wi-fi is pasted at http://pastebin.com/dPHEa7p8 too - as it was rather
  too long to stick in here...

  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
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon May 26 21:56:00 2014
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2013-12-14 (162 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  IpRoute:
   default via 192.168.43.1 dev wlan0  proto static 
   192.168.43.0/24 dev wlan0  proto kernel  scope link  src 192.168.43.212  metric 9
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to trusty on 2014-05-17 (9 days ago)
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   eth0       802-3-ethernet    unavailable   /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

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