[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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