From owner-freebsd-current@FreeBSD.ORG Thu Jun 17 17:11:04 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 35E4616A4CE for ; Thu, 17 Jun 2004 17:11:04 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 09F3843D39 for ; Thu, 17 Jun 2004 17:11:04 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id B7A7C72DF4; Thu, 17 Jun 2004 10:09:41 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id B5FC272DF2; Thu, 17 Jun 2004 10:09:41 -0700 (PDT) Date: Thu, 17 Jun 2004 10:09:41 -0700 (PDT) From: Doug White To: Tobias Aigner In-Reply-To: <20040617011017.320af459.lists@mangosuechtig.org> Message-ID: <20040617100638.S26359@carver.gumbysoft.com> References: <20040617011017.320af459.lists@mangosuechtig.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org Subject: Re: Sound problems during load X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2004 17:11:04 -0000 On Thu, 17 Jun 2004, Tobias Aigner wrote: > I have noticed some sound-playback (through xmms) problems during I/O > load for example extracting a big tar/gzip/bz2 archive. While extracting > the sound slows down, starts to stutter and gets very distorted on both > soundcards. The same thing when I try to load a kernel module. I've > already done some testing with my bios and irq settings but no success. > > This happens on FreeBSD 5.2.1(-p8) and on todays -CURRENT. I just wanted > to know if there is any fix or workaround available? Would be great. Are WITNESS and INVARIANTS enabled? If so, those drag down interrupt latency enough to cause sound disruptions. I can get my home -current box (athlon 3000+) to do the same thing, but even setting debug.witness_watch=0 makes a massive improvement, and that doesn't entirely disable witness. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org