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https://bugs.launchpad.net/bugs/1849779

Title:
  System will auto resume from sleep on receiving LE ADV after paired
  with BT LE devices

Status in HWE Next:
  New
Status in linux-firmware package in Ubuntu:
  New
Status in linux-firmware source package in Bionic:
  Fix Released
Status in linux-firmware source package in Disco:
  Fix Released

Bug description:
  System, with Intel 9260 Bluetooth fw ver < REL0472, deep suspend will
  be interrupted and resume automatically once it has been paired with a
  BLE device. The device doesn't have to remain connected, as long as
  there are BLE devices near by broadcasting LE ADV. Known affected fw
  versions are:

  |commit|fw rev/kernel|4.15.0-66-generic|series|
  |-|-|-|-|
  |c2d8f1b7f820|0329|waked up|bionic|
  |ae90c3bce108|0386|waked up| |
  |046d1085b19e|0420|waked up|disco|
  |1e8253bbaafb|0450|waked up| |
  |7444ca40083a|0472|ok| |
  |fe48882708de|0482|ok|eoan| 

  This doesn't seem to apply to all platform with 9260, as there are
  some platforms with identical chip and fw version but are immune from
  this issue.

  Steps to reproduce:
  1. pair with BLE device and turn off the device. It should be listed as 
Disconnected in System Bluetooth settings. Close the settings app as well.
  2. run `sudo btmon -t` in the background, make sure LE ADV packets pop up.
  3. run `sudo btmon -t` on another host to make sure there are LE ADV packets 
during the suspend period.
  3. trigger system deep suspend (S3) on DUT.
  4. wait for around 1 minutes (depending on the surrounding environment) and 
see if the DUT is resumed unsolicitedly.

  Expects:
  DUT only resumes when power button pressed or on other explicit requests.

  Actual:
  DUT resumes unsolicitedly within 1 minutes.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-firmware 1.173.9
  ProcVersionSignature: Ubuntu 4.15.0-58.64-generic 4.15.18
  Uname: Linux 4.15.0-58-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 25 06:50:31 2019
  Dependencies:
   
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-firmware
  UpgradeStatus: No upgrade log present (probably fresh install)

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