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[Launchpad Bug Tracker <1686815@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-firmware - 1.157.11

---------------
linux-firmware (1.157.11) xenial; urgency=medium

  * Missing Bluetooth firmware for intel 8265 on Ubuntu 16.04 (LP: #1686815)
    - linux-firmware: Update firmware file for Intel Bluetooth 8265
    - linux-firmware: Update firmware file for Intel Bluetooth 8260
    - linux-firmware: Fix the filename for WsP to align with device HW_VARIANT
    - linux-firmware: Update firmware file for Intel Bluetooth 8260
    - linux-firmware: Update firmware file for Intel Bluetooth 8265
    - linux-firmware: Fix DDC file format for Intel Bluetooth 8260/8265
    - linux-firmware: Update firmware file for Intel Bluetooth,8265

 -- Seth Forshee <seth.forshee@xxxxxxxxxxxxx>  Tue, 16 May 2017 15:20:33
-0500

** Changed in: linux-firmware (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1686815

Title:
  Missing Bluetooth firmware for intel 8265 on Ubuntu 16.04

Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Xenial:
  Fix Released

Bug description:
  SRU Justification

  Impact: Missing firmware causes Intel 8265 wireless to not work in
  16.04.2 installs on new hardware.

  Fix: Backport upstream linux-firmware commits to add the firmware and
  subsequent changes which fix some issues with the firmware.

  Regression Potential: The bug fix commits also fix the same issue in
  another Intel bluetooth firmware file. Regressions are possible but
  not expected since it's a bug fix update.

  Test Case: This is difficult to test since the bluetooth module only
  fails to work if it has never had firmware loaded to it previously.
  Three different users have confirmed that the test package fixed the
  issue.

  ---

  Bluetooth doesn't work in Ubuntu 16.04 on systems with Intel 8265
  wireless modules that haven't yet had firmware loaded onto them.
  dmesg reports the following:

    Bluetooth: hci0: Direct firmware load for intel/ibt-12-16.sfi failed
  with error -2

  This could be difficult for many people to reproduce, since installing
  a later version of Ubuntu once will load the necessary firmware, which
  will persist through reinstalling the operating system.  So installing
  Ubuntu 17.04 just once, will leave Bluetooth in a working state
  forever.

  I was able to consistently produce the issue on a *brand new* Kabylake
  Meerkat 3.  With Ubuntu 16.04.2, bluetooth didn't work.  I copied the
  ibt-12-16.sfi and ibt-12-16.ddc into /lib/firmware/intel and rebooted.
  After this point, Bluetooth worked (and continued to work after
  reinstalling Ubuntu 16.04.2 and *not* copying the firmware files
  again).

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