Hi engineering, any updates?
rhel8.4 would be a chance to fix this..

No update. I have no idea where to begin with this..

I will try to ask someone who knows about systemd and the ssh login process and
how we can disable pulseaudio in the ssh case.

Thanks.

I would plainly request the removal of the 'sockets.target.wants/pulseaudio.socket'
in Fedora or systemd upstream, and then wait for someone to scream.
It might need to be reintroduced for desktop sessions, and the way to do it properly
needs discussion.  Just doing it by default, for example when someone logs in via
ssh, is causing issues.

Brainstormed today with our partner about this.

For normal service units, we can define filter criteria.
For example microcode_ctl is not run in virtual guests,
/usr/lib/systemd/system/microcode.service :
  ConditionVirtualization=false

If pulseaudio.socket could have something like this, for
example evaluating environment variables could then be used
to understand if the user is running x11/wayland and only then
run pulseaudio.

This is a possibility, but I'm not sure this is feasible at all, indeed the user may spawn a VNC service and want to benefit from the audio (I believe VNC has audio support as well).

I think this should be handled at 'systemd --user' level, more globally.
For example, it doesn't make sense to start 'systemd --user' when a sftp session is started (for now it starts).
When a ssh session is started, startup of 'systemd --user' should be done only *on demand*, e.g. when the user does a systemctl --user command for example.

Hi, all 

This issue is disappeared from RHEL 8.3 which uses this version of pulseaudio: 
~~~
pulseaudio-13.99.1-1.el8.x86_64
~~~ 

Thank you.

yzheng, I'm using CentOS 8 Stream using the package pulseaudio-14.0-2.el8.x86_64 and I still have this problem.  Occurs when someone logs in via SSH and also spawns a process when certain cronjobs start.

Hi, Jeffrey

You're right... I found this only does not happen on the root user. The non-root users' ssh logins still generate the pulseaudio process.

Thank you.

Tested CentOS Stream 14.0-4.el8.x86_64, which appears to be the latest.  Remote root logins do not spawn the pulseaudio processes (as mentioned before), but non-root remote logins still spawn processes.  Is there a way to disable this in the configuration?  Thanks in advance.

Either socket or the service should be enabled but not both at the same time. How to start pulseaudio (or pulse socket) just for the sessions associated with seat that actually have access to sound card is something to figure out.

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