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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 1535053

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/1535053

Title:
  Wifi stops working with kernel update linux-image-3.19.0-43

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  After update to kernel linux-image-3.19.0-43 Wifi will not connect. Reverting to linux-image-3.19.0-42 fixes this issue.
  I'm using ThinkPad T440s with Ubuntu LTS 14.04 trusty.

  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <info> (wlan0): device state change: config -> failed (reason 'SSID not found') [50 120 53]
  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <info> NetworkManager state is now DISCONNECTED
  Jan 17 10:17:07thinkpad-t440sNetworkManager[1016]: <warn> Activation (wlan0) failed for connection 'Wifi'
  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <info> (wlan0): device state change: failed -> disconnected (reason 'none') [120 30 0]
  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <info> (wlan0): deactivating device (reason 'none') [0]
  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <info> (wlan0): supplicant interface state: scanning -> disconnected
  Jan 17 10:17:07 thinkpad-t440s NetworkManager[1016]: <warn> Couldn't disconnect supplicant interface: This interface is not connected.

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