Re: Mild sound distortion with FreeBSD 5.3-BETA7

From: Doug White <dwhite_at_gumbysoft.com>
Date: Thu, 21 Oct 2004 18:42:30 -0700 (PDT)
On Thu, 21 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.

Anything sharing the your sound card's interrupt?

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite_at_gumbysoft.com          |  www.FreeBSD.org
Received on Thu Oct 21 2004 - 23:42:31 UTC

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