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[Mike Lewis <mjglewis@xxxxxxxxx>]

I was able to restore wireless networking by removing and re-loading the
modules as follows:

 sudo rmmod brcmfmac
 sudo rmmod brcmutil
 sudo rmmod cfg80211
 sudo modprobe brcmfmac

This is only a temporary fix, needs to be repeated after reboot. Has
worked 2 for 2 attempts for me so far...

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https://bugs.launchpad.net/bugs/1569484

Title:
  Auto Ethernet connection profile appears. Wifi does not work anymore.

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I ran sudo apt-get upgrade && sudo apt-get dist-upgrade. Some
  installation have done and Auto Ethernet profile emerged in internet
  settings. After those installations I could not connect to internet.
  My laptop is Dell xps 13 9350.

  I used my TP-LINK wireless adapter to be able to send you this bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: network-manager-gnome 1.1.93-1ubuntu1
  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: Unity
  Date: Tue Apr 12 20:18:04 2016
  ExecutablePath: /usr/bin/nm-connection-editor
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2016-04-10 (1 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
  IpRoute:
   default via 192.168.1.1 dev wlxc4e98417061b  proto static  metric 600
   169.254.0.0/16 dev wlxc4e98417061b  scope link  metric 1000
   192.168.1.0/24 dev wlxc4e98417061b  proto kernel  scope link  src 192.168.1.63  metric 600
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager-applet
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-con:
   NAME          UUID                                  TYPE             TIMESTAMP   TIMESTAMP-REAL                 AUTOCONNECT  AUTOCONNECT-PRIORITY  READONLY  DBUS-PATH                                   ACTIVE  DEVICE           STATE      ACTIVE-PATH
   berkaywifi 1  3f5048a4-32e9-4ca5-ad31-f615ca2bc0e9  802-11-wireless  1460481455  Sal 12 Nis 2016 20:17:35 EEST  yes          0                     no        /org/freedesktop/NetworkManager/Settings/1  yes     wlxc4e98417061b  activated  /org/freedesktop/NetworkManager/ActiveConnection/1
   berkaywifi 2  6afc325f-3765-4687-b4dd-47c17a93f185  802-11-wireless  1460480549  Sal 12 Nis 2016 20:02:29 EEST  yes          0                     no        /org/freedesktop/NetworkManager/Settings/2  no      --               --         --
  nmcli-dev:
   DEVICE           TYPE      STATE         DBUS-PATH                                  CONNECTION    CON-UUID                              CON-PATH
   wlxc4e98417061b  wifi      connected     /org/freedesktop/NetworkManager/Devices/3  berkaywifi 1  3f5048a4-32e9-4ca5-ad31-f615ca2bc0e9  /org/freedesktop/NetworkManager/ActiveConnection/1
   wlp58s0          ethernet  disconnected  /org/freedesktop/NetworkManager/Devices/1  --            --                                    --
   lo               loopback  unmanaged     /org/freedesktop/NetworkManager/Devices/0  --            --                                    --
  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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