[Bug 297059] Audio Buzzing Sound

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297059

            Bug ID: 297059
           Summary: Audio Buzzing Sound
           Product: Base System
           Version: 15.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: [email protected]
          Reporter: [email protected]

Hi,

I selected 15.1-RELEASE but it behaves the same way on 14.4-RELEASE.

Start playing some MP3 with 'audio/deadbeef' player - I tried both PulseAudio
and OSS backends - same behavior - You need to compile Deadbeef from ports if
You want to have PulseAudio backend.

Next install 'benchmarks/glmark2' and run it without any other parameters with
'glmark2' command.

First benchmark is 'rotating horse', second is 'rotating crate box' - buzzing
will start at the end of 'horse' and will continue on the 'box' and rest of the
benchmarks.

Setting these change nothing:
# sysctl hw.snd.timeout=0
# sysctl hw.snd.latency=0

Additional discussion:
https://lists.freebsd.org/archives/freebsd-hackers/2026-July/006586.html

Regards,
vermaden

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