[pulseaudio-tickets] [Bug 90959] Missing device detection with module-udev-detect with multiple server

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90959

--- Comment #8 from Tanu Kaskinen <tanuk at iki.fi> ---
The process tree image shows that you're running the test user's pulseaudio
instance under sudo. The expected result in that case is that the test user
doesn't get access to the hardware, because sudo doesn't create a session in
logind, and pulseaudio's multiuser support relies on logind/udev to grant sound
card access only to the active session.

The likely reason why the test user has access to the sound card anyway in your
case is that Debian adds users to the "audio" group by default, and users in
the "audio" group always have access to the sound cards.

If your use case is just the regular "allow two users to be logged in, with
only one login session active at a time", then removing the users from the
"audio" group should help.

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