Re: Tragic State of FreeBSD Audio/Sound

On Tue, Jul 21, 2026 at 3:13 AM Gleb Popov <arrowd@freebsd.org> wrote:
>
> On Tue, Jul 21, 2026 at 12:57 PM Kevin Bowling <kevin.bowling@kev009.com> wrote:
> >
> > Only major outstanding work is pipewire/pipewire-pulse don't know how to
> > elevate their priority on FreeBSD and they really should be RT.
>
> What's needed for that?

There are multiple issues:

1) Either a fix for the priority in PipeWire (SCHED_FIFO, don't set a
negative nice.level = -11 as a normal user) or something to make RTKit
work
2) Use the process ID, _gettid().
3) kldload mac_priority and user in realtime group

> > Disable the stock PulseAudio autostart.
>
> Why, what's wrong with it?

Try killing it with KDE running and see what happens.

> >    if [ -z "$XDG_RUNTIME_DIR" ]; then
> >        export XDG_RUNTIME_DIR="/var/run/user/$(id -u)"
> >        mkdir -p "$XDG_RUNTIME_DIR"
> >        chmod 700 "$XDG_RUNTIME_DIR"
> >    fi
>
> This is done by pam_xdg, you shouldn't do that yourself.