From owner-freebsd-current@FreeBSD.ORG Wed Dec 8 17:40:52 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 84A4916A4CE for ; Wed, 8 Dec 2004 17:40:52 +0000 (GMT) Received: from gw02.mail.saunalahti.fi (gw02.mail.saunalahti.fi [195.197.172.116]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4328743D58 for ; Wed, 8 Dec 2004 17:40:52 +0000 (GMT) (envelope-from koston@iki.fi) Received: from norsu.kameli.org (YZCXLIII.dsl.saunalahti.fi [85.76.34.44]) by gw02.mail.saunalahti.fi (Postfix) with SMTP id 4EAC887A58 for ; Wed, 8 Dec 2004 19:40:51 +0200 (EET) Received: by norsu.kameli.org (sSMTP sendmail emulation); Wed, 8 Dec 2004 18:20:22 +0200 From: "Atte Peltomaki" Date: Wed, 8 Dec 2004 18:20:22 +0200 To: current@freebsd.org Message-ID: <20041208162022.GA2968@norsu.kameli.org> References: <20041207234840.7287cdf4@maya.liquidx.org> <1102506431.1090.8.camel@taxman> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1102506431.1090.8.camel@taxman> User-Agent: Mutt/1.4.2.1i X-Mailman-Approved-At: Thu, 09 Dec 2004 12:58:04 +0000 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 17:40:52 -0000 > > 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. Last I was running -current, PREEMPTION was just brought back, but it remained completely unusable for me too. Complete system freeze with no panic, in matter of minutes. -Atte