Thank you for pointing that out .
Here is the output for my desktop configuration. It looks like pipewire is actually not running “disabled”
● wireplumber.service - Multimedia Service Session Manager
Loaded: loaded (/usr/lib/systemd/user/wireplumber.service; enabled; preset: enabled)
Drop-In: /usr/lib/systemd/user/service.d
└─10-timeout-abort.conf
Active: active (running) since Mon 2024-04-15 13:32:55 CEST; 3h 17min ago
Main PID: 2341 (wireplumber)
Tasks: 6 (limit: 9362)
Memory: 5.8M
CPU: 198ms
CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/wireplumber.service
└─2341 /usr/bin/wireplumber
avril 15 13:32:55 stldworkstation systemd[1935]: Started wireplumber.service - Multimedia Service Session Manager.
avril 15 13:32:55 stldworkstation wireplumber[2341]: SPA handle 'api.libcamera.enum.manager' could not be loaded; is it installed?
avril 15 13:32:55 stldworkstation wireplumber[2341]: PipeWire's libcamera SPA missing or broken. libcamera not supported.
avril 15 13:32:55 stldworkstation wireplumber[2341]: GetManagedObjects() failed: org.freedesktop.DBus.Error.NameHasNoOwner
● pipewire.service - PipeWire Multimedia Service
Loaded: loaded (/usr/lib/systemd/user/pipewire.service; disabled; preset: disabled)
Drop-In: /usr/lib/systemd/user/pipewire.service.d
└─00-uresourced.conf
/usr/lib/systemd/user/service.d
└─10-timeout-abort.conf
Active: active (running) since Mon 2024-04-15 13:32:55 CEST; 3h 17min ago
TriggeredBy: ● pipewire.socket
Main PID: 2339 (pipewire)
Tasks: 3 (limit: 9362)
Memory: 5.9M
CPU: 307ms
CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/pipewire.service
└─2339 /usr/bin/pipewire
@grumpey more context here . Like me someone has a similar issue.