[Bug 1881094] [NEW] Support kernel 5.4 Intel sound driver on bionic

Launchpad Bug Tracker 1881094 at bugs.launchpad.net
Thu Jun 4 10:27:31 UTC 2020


You have been subscribed to a public bug by Hui Wang (hui.wang):

[Impact]

 * Some Intel platform bionic user audio function will be broken after
upgrade to kernel 5.4

 * pulseaudio can't find working profile, since card name is changed in
kernel 5.4

[Test Case]

 * install kernel 5.4 and check audio function
   1. enable Pre-released updates in Developer Options
      Software & Updates > Developer Options > Pre-released updates (bionic-proposed)
   2. $ sudo apt update
   3. $ sudo apt install linux-generic-hwe-18.04-wip
   4. $ sudo reboot

 * install updated linux-firmware and pulseaudio
   $ sudo add-apt-repository ppa:kchsieh/training
   $ sudo apt-get update
   $ sudo apt install linux-firmware
   $ sudo apt install pulseaudio
   $ sudo reboot

 * test items
   1. check internal speaker/mic to playback and record audio
   2. plug headset and check headset functions
   3. plug HDMI from external monitor/TV, and check audio functions
   4. 1, 2, 3 works fine after resume from suspend

[Regression Potential]

 * The updated pulseaudio breaks audio function on old kernel

[Scope]

 * Need for bionic only

[Bug Discussion]

 * https://bugs.launchpad.net/timbuktu/+bug/1880632
 * MP: https://code.launchpad.net/~kchsieh/pulseaudio/+git/bionic-1880632/+merge/384610

** Affects: oem-priority
     Importance: Critical
     Assignee: Kai-Chuan Hsieh (kchsieh)
         Status: New

** Affects: pulseaudio (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: pulseaudio (Ubuntu Bionic)
     Importance: Undecided
         Status: New


** Tags: bionic
-- 
Support kernel 5.4 Intel sound driver on bionic
https://bugs.launchpad.net/bugs/1881094
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