From owner-freebsd-current@FreeBSD.ORG Mon Sep 12 04:42:16 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org 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 1C0D416A41F for ; Mon, 12 Sep 2005 04:42:16 +0000 (GMT) (envelope-from pyunyh@gmail.com) Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.193]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8D47143D48 for ; Mon, 12 Sep 2005 04:42:15 +0000 (GMT) (envelope-from pyunyh@gmail.com) Received: by zproxy.gmail.com with SMTP id z6so1441193nzd for ; Sun, 11 Sep 2005 21:42:14 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=MVuNegK4pRVoRXZEPPtlzRtPPYniPnIBIjpiZK0+ZW3igkpYAHAr190RK0s9PKeUPrVoluGrlW567eN4ey7ePBbTIggaTcB4VmWNY3kVQL6L7+xI7ltBiW93IEG7cqcGrR1aqVP81mzS9q+vLE32LRph/lEIEjTxEJpiOmk1b0U= Received: by 10.36.221.11 with SMTP id t11mr2627506nzg; Sun, 11 Sep 2005 21:42:14 -0700 (PDT) Received: from michelle.rndsoft.co.kr ( [211.32.202.211]) by mx.gmail.com with ESMTP id 20sm13011774nzp.2005.09.11.21.42.13; Sun, 11 Sep 2005 21:42:14 -0700 (PDT) Received: from michelle.rndsoft.co.kr (localhost.rndsoft.co.kr [127.0.0.1]) by michelle.rndsoft.co.kr (8.13.1/8.13.1) with ESMTP id j8C4gCZl006124 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 12 Sep 2005 13:42:12 +0900 (KST) (envelope-from yongari@rndsoft.co.kr) Received: (from yongari@localhost) by michelle.rndsoft.co.kr (8.13.1/8.13.1/Submit) id j8C4gCaw006123; Mon, 12 Sep 2005 13:42:12 +0900 (KST) (envelope-from yongari@rndsoft.co.kr) Date: Mon, 12 Sep 2005 13:42:12 +0900 From: Pyun YongHyeon To: Ben Kaduk Message-ID: <20050912044212.GC5182@rndsoft.co.kr> References: <47d0403c05091121047a037946@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47d0403c05091121047a037946@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-current@freebsd.org Subject: Re: panic upon kldunload snd_ich (lor # 159) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Sep 2005 04:42:16 -0000 On Mon, Sep 12, 2005 at 04:04:48AM +0000, Ben Kaduk wrote: > Hi everyone, > > I see that this panic is caused by lor #159 > http://sources.zabbadoz.net/freebsd/lor.html#159 > but I figured I'd report it to see if it will help anyone > > Booting to single user and issuing: > # kldload snd_ich > # kldunload snd_ich > > are sufficient to trigger the panic on my system. I know that Alexander > Leidinger has recently committed some bits to current in the sound code, but > it is unclear if it will fix my panic; I'm currently cvsup-ing and building > world to find out. > > The machine in question is: > > bash-2.05b$ uname -a > FreeBSD prolepsis.math.uiuc.edu > 7.0-CURRENTFreeBSD > 7.0-CURRENT #9: Thu Aug 25 06:22:00 UTC 2005 > kaduk@prolepsis.math.uiuc.edu:/usr/obj/usr/src/sys/PROLEPSIS > i386 > > As shown below, I have a core to play with, so if this needs fixing, tell me > what I can do to help. > I think the LOR you seen is not cause of panic. As you've got core, would you please give us full back-trace with symbol information? See http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-kld.html for more datils. And make sure to rebuild sound driver module with debugging information too. -- Regards, Pyun YongHyeon