Re: Tragic State of FreeBSD Audio/Sound

Sulev-Madis Silber <[email protected]> Sun, 26 Jul 2026 16:10:20 +0300
Newsgroups gmane.os.freebsd.current
Message-ID <[email protected]>
power draw? filtering? variable power use? data interference

tho, we kind of ruled those out i think

but what if other oses control hw differently=2E maybe some freq scaling

wild guesses eh

i'm curious what the fix is, really=2E=2E=2E



On July 26, 2026 10:11:31 AM GMT+03:00, vermaden <vermaden@interia=2Epl> w=
rote:
>Hi,
>
>I will not quote the earlier messages as I found new way to generate this=
 buzzing sound (for debugging)=2E
>
>Works both for 14=2E4-RELEASE (I downgraded to that for less sound issues=
) and latest 15=2E1-RELEASE=2E
>
>Start playing some MP3 with 'audio/deadbeef' player - I tried both PulseA=
udio and OSS backends - same behavior - You need to compile Deadbeef from p=
orts if You want to have PulseAudio backend=2E
>
>Next install 'benchmarks/glmark2' and run it without any other parameters=
 with 'glmark2' command=2E
>
>First benchmark is 'rotating horse', second is 'rotating crate box' - buz=
zing will start at the end of 'horse' and will continue on the 'box' and re=
st of the benchmarks=2E
>
>Setting these change nothing:
># sysctl hw=2Esnd=2Etimeout=3D0
># sysctl hw=2Esnd=2Elatency=3D0
>
>Bug submitted here:
>https://bugs=2Efreebsd=2Eorg/bugzilla/show_bug=2Ecgi?id=3D297059
>
>Regards,
>vermaden
>
>