From owner-freebsd-current@FreeBSD.ORG Thu May 25 18:27:48 2006 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 4437016B2BD for ; Thu, 25 May 2006 18:27:48 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id D238F43D5A for ; Thu, 25 May 2006 18:27:34 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from [10.0.1.114] (nat-outside.atlanta.corp.yahoo.com [63.172.193.57]) (authenticated bits=0) by server.baldwin.cx (8.13.4/8.13.4) with ESMTP id k4PIRVYS004404; Thu, 25 May 2006 14:27:33 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: Pawel Worach Date: Thu, 25 May 2006 13:49:55 -0400 User-Agent: KMail/1.9.1 References: <446F1806.4050301@gmail.com> <200605241406.28235.jhb@freebsd.org> <4474C07E.5060905@gmail.com> In-Reply-To: <4474C07E.5060905@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605251349.55945.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1484/Thu May 25 11:19:23 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.1 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx Cc: freebsd-current@freebsd.org Subject: Re: callout_reset page fault panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 25 May 2006 18:27:56 -0000 On Wednesday 24 May 2006 16:22, Pawel Worach wrote: > John Baldwin wrote: > > On Saturday 20 May 2006 09:22, Pawel Worach wrote: > >> One day old CURRENT, i368 UP. Died while installing some ports and > >> running mplayer. vmcore and kernel available (minidumps kick ass!). > >> > >> Unread portion of the kernel message buffer: > >> kernel trap 12 with interrupts disabled > > > > I think the previous 'struct callout' on the callout wheel > > is unmapped, maybe a kernel module was unloaded and it forgot > > to do a callout_stop() or callout_drain() or somehow did a > > callout_reset() after doing the stop() or drain()? > > > > If nothing was unloaded automagically it's unlikely. It could have been free'd perhaps and the page later subsequently unmapped from KVA? (Not sure if that can happen.) -- John Baldwin