From owner-freebsd-current@FreeBSD.ORG Wed Dec 8 11:47:15 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 C8B6216A4CE for ; Wed, 8 Dec 2004 11:47:15 +0000 (GMT) Received: from email11.aon.at (warsl404pip7.highway.telekom.at [195.3.96.91]) by mx1.FreeBSD.org (Postfix) with SMTP id C1A4E43D58 for ; Wed, 8 Dec 2004 11:47:14 +0000 (GMT) (envelope-from shoesoft@gmx.net) Received: (qmail 237166 invoked from network); 8 Dec 2004 11:47:13 -0000 Received: from m096p026.dipool.highway.telekom.at (HELO localhost.localdomain) ([62.46.1.250]) (envelope-sender ) by email11.aon.at (qmail-ldap-1.03) with SMTP for ; 8 Dec 2004 11:47:13 -0000 From: Stefan Ehmann To: Travis Poppe In-Reply-To: <20041207234840.7287cdf4@maya.liquidx.org> References: <20041207234840.7287cdf4@maya.liquidx.org> Content-Type: text/plain Date: Wed, 08 Dec 2004 12:47:11 +0100 Message-Id: <1102506431.1090.8.camel@taxman> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit cc: freebsd-current@freebsd.org Subject: Re: FreeBSD sound distortion problems with SB Live! fixed with PREEMPTION 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: Wed, 08 Dec 2004 11:47:15 -0000 On Tue, 2004-12-07 at 23:48 -0700, Travis Poppe wrote: ... > To my amazement, it worked completely. Enabling PREEMPTION in the kernel > completely "fixes" this problem to the fullest extent. I have not been > able to reproduce the problem since using any of the methods described > above. > > I'm hoping that with this new information someone might be able to > figure out what is truly causing this problem and can come up with a > solution (or is PREEMPTION a good solution?). It seems that only a > handful of drivers (emu10k1 is the one I'm having problems with) have > this problem. For the record, I am not the only one who has reported > this problem to the lists. I also experience the same problems with sound you've described. As PREEMPTION seems to stable for you, I tried to turn it on again. Unfortunately PREEMPTION remains to be completely unusable for me. The system freezes within 5 minutes. The problem is described here: http://lists.freebsd.org/pipermail/freebsd-current/2004-September/037949.html I wonder if no one else gets this kind of problem.