Re: Mild sound distortion with FreeBSD 5.3-BETA7

From: Travis Poppe <tlp_at_LiquidX.org>
Date: Thu, 21 Oct 2004 14:54:48 -0600
On Thu, 21 Oct 2004 10:25:56 -0700 (PDT)
Doug White <dwhite_at_gumbysoft.com> wrote:

> On Tue, 19 Oct 2004, Travis Poppe wrote:
> 
> > I've recently noticed a mild sound distortion in XMMS and other
> > applications that output sound. I'm not sure when I started noticing
> > this, but I don't believe it has always been present in the 5.x
> > branch(and if it has, I haven't noticed it up until a month or two
> > ago).
> 
> Problems with sound disruptions can usually be traced to running with
> WITNESS and/or INVARIANTS compiled into your kernel. These debugging
> options cause enough interrupt latency to cause sound problems.  Even
> setting the sysctl debug.witness_watch=0 (I guess its
> debug.witness.watch=0 now) will usually clear the issue right away, or
> reduce the disruptions significantly (for that boot only).

I don't have these debugging options compiled into my kernel, so it must
be something else.

-Travis Poppe
Received on Thu Oct 21 2004 - 18:54:38 UTC

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