Date: Sun, 4 Sep 2022 14:49:29 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: freebsd-current@freebsd.org Subject: Re: Status of Alder Lake support Message-ID: <CAN6yY1tApXqhpWoA1cVbgFUbtFgFL6Ai0bKey-P3vOnGxWP5Gg@mail.gmail.com> In-Reply-To: <20220820184531.GA6367@darkbeer.org> References: <CAN6yY1t75UEVBK5cnvwmEopCOyKmcOEX3bRJkRnX37kPa2gkgg@mail.gmail.com> <2ba3e191-64c1-b854-3eb3-080345b56839@FreeBSD.org> <20220820181357.GA5624@darkbeer.org> <CAN6yY1vL9hGh3Ggfi8B3wcU24%2BqUSPVaGqsN1v9qxnTqGHqhPg@mail.gmail.com> <20220820184531.GA6367@darkbeer.org>
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[-- Attachment #1 --] On Sat, Aug 20, 2022 at 11:45 AM Amar Takhar <verm@darkbeer.org> wrote: > On 2022-08-20 11:36 -0700, Kevin Oberman wrote: > <snip> > > Wow! That's a little more disturbing. > > Especially since it's a i9-12900KF so I have a whole 8 cores disabled! > > > > As to the audio issue, I've been having a similar issue for some time, > > especially with Firefox using any of the available audio systems. Works > best > > with OSS. > > > > What I hear is not popping, but brief dropouts which I perceived as > pops. It > > sounds a lot like data rate mismatch where the audio is output at a > slightly > > faster rate than it is input. As a result, the buffers empty > periodically and > > you hear a fraction of a second of silence. > > Yes exactly. Sorry it's better described as clipping and that is exactly > what I > thought was happening too. There were some suggestions in that ticket I > tried > to no avail. It's almost like something is blocking the buffer from being > filled. The same issue happens when I use an external USB audio card but > it's > nowhere near as bad. > > After this many months I'd like to say I've gotten used to it but some > videos > are particularly bad so there is some correlation to what audio is being > played. > > > > This is not an Alder Lake issue as it's been hitting me on my Comet Lake > > processor. > > Oh well that's good to know you should update that ticket (#263385) as > I've only > known Alder Lake to be an issue up to this point. > > Is this happening on CURRENT? I'll upgrade for sure if I can use my E > cores and > avoid UFS corruption. > > > Amar. > My Alder Lake has only run CURRENT as it is most likely going to get graphics support and a fix for hte file system crashes first. Sadly, disabling soft updates does not fix the problem. I got one more VFS crash after disabling them. Still, a single dump while building around 1000 ports is a huge improvement! Having soft updates enabled clearly makes the likelihood of a crash much greater. I have opened ticket 266145 on this problem if you want to see if this goes anywhere. Since it looks like a mix of performance and efficiency core will be hte norm from now on from both Intel and AMD, this clearly will need some attention soon. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">On Sat, Aug 20, 2022 at 11:45 AM Amar Takhar <<a href="mailto:verm@darkbeer.org">verm@darkbeer.org</a>> wrote:<br></div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 2022-08-20 11:36 -0700, Kevin Oberman wrote:<br> <snip><br> > Wow! That's a little more disturbing. <br> <br> Especially since it's a i9-12900KF so I have a whole 8 cores disabled!<br> <br> <br> > As to the audio issue, I've been having a similar issue for some time,<br> > especially with Firefox using any of the available audio systems. Works best<br> > with OSS.<br> > <br> > What I hear is not popping, but brief dropouts which I perceived as pops. It<br> > sounds a lot like data rate mismatch where the audio is output at a slightly<br> > faster rate than it is input. As a result, the buffers empty periodically and<br> > you hear a fraction of a second of silence.<br> <br> Yes exactly. Sorry it's better described as clipping and that is exactly what I <br> thought was happening too. There were some suggestions in that ticket I tried <br> to no avail. It's almost like something is blocking the buffer from being <br> filled. The same issue happens when I use an external USB audio card but it's <br> nowhere near as bad.<br> <br> After this many months I'd like to say I've gotten used to it but some videos <br> are particularly bad so there is some correlation to what audio is being played.<br> <br> <br> > This is not an Alder Lake issue as it's been hitting me on my Comet Lake<br> > processor. <br> <br> Oh well that's good to know you should update that ticket (#263385) as I've only <br> known Alder Lake to be an issue up to this point.<br> <br> Is this happening on CURRENT? I'll upgrade for sure if I can use my E cores and <br> avoid UFS corruption.<br> <br> <br> Amar.<br> </blockquote></div><br clear="all"><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">My Alder Lake has only run CURRENT as it is most likely going to get graphics support and a fix for hte file system crashes first.</div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default"><br></div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">Sadly, disabling soft updates does not fix the problem. I got one more VFS crash after disabling them. Still, a single dump while building around 1000 ports is a huge improvement! Having soft updates enabled clearly makes the likelihood of a crash much greater. I have opened ticket 266145 on this problem if you want to see if this goes anywhere. Since it looks like a mix of performance and efficiency core will be hte norm from now on from both Intel and AMD, this clearly will need some attention soon.<br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Kevin Oberman, Part time kid herder and retired Network Engineer<br>E-mail: <a href="mailto:rkoberman@gmail.com" target="_blank">rkoberman@gmail.com</a><br></div><div>PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683</div></div></div></div></div></div></div></div></div>help
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