Date: Thu, 21 Oct 2004 14:08:05 -0400 From: Christopher Nehren <apeiron@comcast.net> To: freebsd-current@freebsd.org Subject: Re: Mild sound distortion with FreeBSD 5.3-BETA7 Message-ID: <pan.2004.10.21.18.08.04.95718@comcast.net> References: <20041019111518.1f6a76a4@maya.liquidx.org> <20041021102205.C37069@carver.gumbysoft.com>
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On Thu, 21 Oct 2004 11:25:56 -0700, Doug White wrote: > 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). > > If the sysctl doesn't exist then you don't have WITNESS. I'm experiencing the same problem, and my kernel lacks WITNESS & INVARIANTS.
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