From owner-freebsd-current@FreeBSD.ORG Wed Dec 31 02:38:35 2003 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 1768A16A4CE for ; Wed, 31 Dec 2003 02:38:35 -0800 (PST) Received: from smtp.mho.com (smtp.mho.net [64.58.4.6]) by mx1.FreeBSD.org (Postfix) with SMTP id 9F3BB43D1F for ; Wed, 31 Dec 2003 02:38:33 -0800 (PST) (envelope-from scottl@freebsd.org) Received: (qmail 19317 invoked by uid 1002); 31 Dec 2003 10:38:33 -0000 Received: from unknown (HELO freebsd.org) (64.58.1.252) by smtp.mho.net with SMTP; 31 Dec 2003 10:38:33 -0000 Message-ID: <3FF2A6CC.9010207@freebsd.org> Date: Wed, 31 Dec 2003 03:37:00 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.5) Gecko/20031103 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Stefan Ehmann References: <1072618904.757.12.camel@shoeserv.freebsd> <20031230173151.M6634@gamplex.bde.org> <1072794615.775.4.camel@shoeserv.freebsd> <20031231031218.N1268@gamplex.bde.org> <1072805308.1349.13.camel@shoeserv.freebsd> In-Reply-To: <1072805308.1349.13.camel@shoeserv.freebsd> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: current@FreeBSD.org Subject: Re: page fault panic tracked down (selwakeuppri()) 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, 31 Dec 2003 10:38:35 -0000 Stefan Ehmann wrote: > On Tue, 2003-12-30 at 17:20, Bruce Evans wrote: > >>On Tue, 30 Dec 2003, Stefan Ehmann wrote: >> >> >>>On Tue, 2003-12-30 at 07:56, Bruce Evans wrote: >>> >>>>I have farily large patches which do buffering in ext2fs in a different >>>>way so that the 2003/08/28 changes are irrelevant. I will send these >>>>in private mail. >>> >>>Applied the patches and rebuilt kernel. Unfortunately I got the same >>>panic after 2 hours. >> >>At least it's easy to duplicate, and another possible cause is ruled out. >> >>Do you do anything special with ext2fs or have a special configuration? > > On this partition my music collection is stored. Normally I run cplay > (CLI music player) in shuffle mode. So there is a low but constant load > on the drive. I'm not sure about this, but at least sometimes the panics > seems to happen immediately after a new file is opened. > > The only special thing I can think about is that I created it with the > largefile4 (one inode per 4 megabytes) option in knoppix. As I mentioned > above it is mounted read-only. > > >>It should be easy to turn off the selwakeuppri() chnages by editing a >>line or two of selwakeuppri(). From sys_generic.c: > > > Thanks. So I can (hopefully) run a recent CURRENT somewhat stable at > least until this is resolved. > Does Bruce's hack actually work for you? I'm trying to decide on whether to make this a show-stopper for the 5.2 release. Scott