Hello You-Sheng, or anyone else affected,

Accepted linux-firmware into bionic-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/1.173.14 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1855235

Title:
  Intel Wireless-AC 9560 Bluetooth, whenever connected to BLE devices,
  causes UI freeze when re-logging in after resumed from suspend

Status in HWE Next:
  New
Status in linux-firmware package in Ubuntu:
  Confirmed
Status in linux-firmware source package in Bionic:
  Fix Committed
Status in linux-firmware source package in Disco:
  Fix Committed
Status in linux-firmware source package in Eoan:
  Fix Committed

Bug description:
  [Steps to Reproduce]
  1. Pair some Bluetooth BLE device. Open a terminal and run `dmesg -w` to make 
sure Bluetooth is receiving advertisement events and repeatedly printing:

    Bluetooth: hci0: advertising data len corrected
    ...

  2. Turn off dim display/blank screen on idle in Settings
  3. Shorten long idle suspend time to 2 minutes by:

    $ gsettings set org.gnome.settings-daemon.plugins.power \
        sleep-inactive-ac-timeout 120

  4. Idle wait for 2 minute and let system suspend.
  5. Resume after 20 seconds suspend or so.

  [Expected result]
  System resumes normally.

  [Actual result]
  * Screen lighted up, sent to GDM greeter as expected, but UI freeze when 
pressed ENTER to submit filled account name/password.
  * No console switch is possible.
  * Kernel alive because rescue magic key is the only way to escape.
  * The last line in syslog is:

    kernel [...] PM: suspend entry (deep)

  * When Bluetooth is rfkilled, this issue is not happening. When Bluetooth has 
never paired to BLE devices, this issue is no happening, either.
  ---
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.9
  Architecture: amd64
  Dependencies:

  DistributionChannelDescriptor:
   # This is the distribution channel descriptor for the OEM CDs
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-loras+X21
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2019-12-02 (3 days ago)
  InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 
20190418-12:10
  Package: linux-firmware 1.173.12
  PackageArchitecture: all
  ProcVersionSignature: Ubuntu 5.0.0-1028.32-oem-osp1 5.0.21
  Tags:  bionic
  Uname: Linux 5.0.0-1028-oem-osp1 x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True

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