** Also affects: oem-priority/bionic
Importance: Undecided
Status: New
** No longer affects: oem-priority/bionic
** Also affects: oem-priority/bionic
Importance: Undecided
Status: New
** No longer affects: oem-priority/bionic
** Also affects: pulseaudio (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: pulseaudio (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1881094
Title:
Support kernel 5.4 Intel sound driver on bionic
Status in OEM Priority Project:
New
Status in pulseaudio package in Ubuntu:
Invalid
Status in pulseaudio source package in Bionic:
New
Bug description:
[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
$ sudo add-apt-repository ppa:arighi/bionic-hwe-edge-5.4
$ sudo apt-get update
$ sudo apt install linux-header-5.4.0-31-generic
$ sudo apt install linux-image-generic-hwe-18.04-wip
$ 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
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