Date: Mon, 27 Jul 2026 23:09:17 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: Tomoaki AOKI <junchoon@dec.sakura.ne.jp>, Sulev-Madis Silber <freebsd-current-freebsd-org111@ketas.si.pri.ee>, freebsd-current@freebsd.org Subject: Re: Tragic State of FreeBSD Audio/Sound Message-ID: <CAFDf7UKq92Ke7_DFvtY%2BHLUsy6-Wyi85o4bSQgDE7=R6KxDWSA@mail.gmail.com> In-Reply-To: <CAJ-VmomrsF0TDC7LDP1khyXgMREc98ysmn75NwL8Qm0C7qKnGQ@mail.gmail.com> References: <hkttyyfmuguexmliuhmg@ewtn> <sirudbjwrqwlhpzjpfqf@abqv> <CAK7dMtCRpXO71v=AEsrtuQufVJHjN%2B%2BhsN6CT_MkXhMa1-JOzw@mail.gmail.com> <CALH631mZWS9e9FDXPUT8N8W8WnNnpfYaoPuRyqXhqNTW9=atLw@mail.gmail.com> <CAK7dMtC0f7SgU7k6Yvbqg94eksd5UJ1meX7o2_0ukAteZPb-9g@mail.gmail.com> <20260722085416.407316d393dce1884c29a3c7@dec.sakura.ne.jp> <CAK7dMtBDQTwFkQ2UKgz1LtniZBdaWBnfL4iwUo1kFT5d34xSdQ@mail.gmail.com> <20260724001549.c947af418add25dd00ac0344@dec.sakura.ne.jp> <CAK7dMtBO4C5H9uexDfLjzL-ovuXMU8s-t5D-rTDxJcfNq%2BAMmg@mail.gmail.com> <20260724193239.d2eb613e0c4f42b90925eb46@dec.sakura.ne.jp> <20260726090359.4082568fe922add2dc01deb2@dec.sakura.ne.jp> <CAJ-VmonRmyrhpmAFkf7dAg2VdVFQKjeYtWMBYPSBvohuGBg-9w@mail.gmail.com> <wizxwdgtrmwqlrhgojon@qeft> <0AC6B63B-2A37-4F8D-BDBD-36D09F584913@ketas.si.pri.ee> <20260727190324.4b14bd9d7581c02c1cb001db@dec.sakura.ne.jp> <CAJ-VmomrsF0TDC7LDP1khyXgMREc98ysmn75NwL8Qm0C7qKnGQ@mail.gmail.com>
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[-- Attachment #1 --] > If you're experiencing "buzz" like I think you are then it's the same > frame being queued > over and over again to the DAC. Typically I've only seen that happen here > when I > have the kernel panic (we're not stopping audio DMA at this point, and > I don't know > why it's looping over.) > > <snip> > > Even in the year of our lord "LLMs are available" there's only so much > one can do > in long email threads; at some point bugs need reproducing, PRs need > filing and > developer / user time needs to happen. Let's be methodical about it to > help out > the sound folks in figuring it out. > > > > -adrian > > Hello, I usually linten to youtube when doing poudriere builds. Music helps the process and poudriere build better. I use an usb dac with: hw.snd.latency=10 hw.usb.uaudio.buffer_ms=8 IMHO it helps a little. Thanks, -- Nuno Teixeira FreeBSD UNIX: <eduardo@FreeBSD.org> Web: https://FreeBSD.org [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><br></div><div class="gmail_quote gmail_quote_container"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div> If you're experiencing "buzz" like I think you are then it's the same<br> frame being queued<br> over and over again to the DAC. Typically I've only seen that happen here when I<br> have the kernel panic (we're not stopping audio DMA at this point, and<br> I don't know<br> why it's looping over.)<br><br></div><snip><div><br> Even in the year of our lord "LLMs are available" there's only so much<br> one can do<br> in long email threads; at some point bugs need reproducing, PRs need filing and<br> developer / user time needs to happen. Let's be methodical about it to help out<br> the sound folks in figuring it out.<br> <br> <br> <br> -adrian<br> <br> </div></blockquote></div><div><br></div><div>Hello,<br><br></div><div>I usually linten to youtube when doing poudriere builds. Music helps the process and poudriere build better.<br><br></div><div>I use an usb dac with:<br><br>hw.snd.latency=10<br>hw.usb.uaudio.buffer_ms=8<br><br></div><div>IMHO it helps a little.<br><br></div><div>Thanks,</div><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><font color="#888888">Nuno Teixeira</font></div><div><div><font color="#888888"> FreeBSD UNIX: <eduardo@FreeBSD.org> Web: <a href="https://FreeBSD.org" rel="noreferrer" target="_blank">https://FreeBSD.org</a><br></font></div></div></div></div></div>;home | help
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