
This is needed to avoid GDM PulseAudio instance acting as a network source/sink or grabing the A2DP bluetooth sink making A2DP unusable for any other user. In the future having this fixed in PulseAudio would be preferred [0]. Current possible upstream fix could be [1]. [0]: https://github.com/NixOS/nixpkgs/pull/61746#issuecomment-493956980 [1]: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/merge_requests/10