This bug was fixed in the package pulseaudio - 1:13.0-1ubuntu1.1
---------------
pulseaudio (1:13.0-1ubuntu1.1) eoan; urgency=medium
* Add 0031-lp1847570-Revert-switch-on-connect-Do-not-ignore-HDMI-sinks.patch
to revert to PulseAudio v12 behaviour and ignore monitors with HDMI ports.
At least until a proper solution arrives in PulseAudio v14. (LP: #1847570)
-- Daniel van Vugt <[email protected]> Wed, 18 Dec 2019
13:26:53 +0800
** Changed in: pulseaudio (Ubuntu Eoan)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1847570
Title:
PulseAudio automatically switches to HDMI sound output on login
Status in PulseAudio:
Fix Released
Status in pulseaudio package in Ubuntu:
Fix Released
Status in pulseaudio source package in Eoan:
Fix Released
Status in pulseaudio source package in Focal:
Fix Released
Bug description:
[Impact]
On my freshly installed eoan system I have two output devices:
- HDMI/DisplayPort 2 - GK208 ...
- Line Out - Family 17h ...
When I login into the system pulseaudio always select the "wrong"
one (HDMI) and I need to go to gnome-settings/Sound/Output Device
and switch to "line out". This applies to every login/logout not
just reboots.
[Test Case]
0. Plug in a monitor that supports HDMI audio (one that appears in
your Settings>Sound)
1. Log out and in again.
Verify the default audio device in Settings is still speakers or
headphones. Not the monitor's HDMI audio device.
[Regression Potential]
The behaviour is changed back to what it was before 19.10, some users
might find it inconvenient and prefer the auto switch but the feedback
we got shows it's unreliable and an annoying for the majority of our
users so we will got back to default to safest behaviour.
The fix proposed just reverts to the same code used in PulseAudio 12
and earlier. It has also been released and verified on focal already.
[Workaround]
Comment out:
load-module module-switch-on-port-available
load-module module-switch-on-connect
from /etc/pulse/default.pa
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