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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1470647

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

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https://bugs.launchpad.net/bugs/1470647

Title:
  Intel Wifi 3160 connects to AP but no internet access with 802.11n
  2.4Ghz

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a Lenovo Y50-70 with Intel Wifi 3160

  I can associate and authenticate with my wifi router but I have been
  unable to send/receive data using 802.11n 2.4Ghz on Ubuntu 14.04.2.
  Trying to ping the router IP address just times out.

  I guessed this might be fixed in the latest version of Ubuntu so I
  installed the daily build of 15.10 from http://cdimage.ubuntu.com
  /daily-live/current/ dated June 3rd but got the same results.

  I can access the internet using the 5Ghz band but the range is not as
  good as 2.4Ghz so I get very low speeds at the top of my house.

  All my other laptops & phones can connect at 2.4Ghz at 70-150Mbit with
  no problems at the top of my house. I've tested with iPhones, Nexus 5,
  Moto X, Lenovo Thinkpads and Macbooks.

  I've also tested Ubuntu 14.04.2 with Kernel 4.1 and iwlwifi firmware
  version 13 with the same results and I've tested this using the 15.04
  live cd with the same results.

  I've tried rfkill block bluetooth to turn off bluetooth.

  I have attached a file with all the necessary debug info from Ubuntu
  15.10 daily fresh installation.

  The only output from dmesg after trying 2.4Ghz is as follows:

  [  369.179441] cfg80211: Calling CRDA to update world regulatory domain
  [  369.182145] cfg80211: World regulatory domain updated:
  [  369.182149] cfg80211:  DFS Master region: unset
  [  369.182150] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
  [  369.182153] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [  369.182155] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [  369.182156] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
  [  369.182158] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [  369.182159] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [  380.579257] wlan1: authenticate with f8:8f:ca:41:e3:bc
  [  380.582170] wlan1: send auth to f8:8f:ca:41:e3:bc (try 1/3)
  [  380.603705] wlan1: authenticated
  [  380.604603] wlan1: associate with f8:8f:ca:41:e3:bc (try 1/3)
  [  380.644131] wlan1: RX AssocResp from f8:8f:ca:41:e3:bc (capab=0x411 status=0 aid=8)
  [  380.644699] wlan1: associated

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