From owner-freebsd-current@FreeBSD.ORG Tue May 13 09:52:10 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 0A7F737B401; Tue, 13 May 2003 09:52:10 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 689C543F3F; Tue, 13 May 2003 09:52:09 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (c-24-130-112-121.we.client2.attbi.com [24.130.112.121]) by boreas.isi.edu (8.11.6p2/8.11.2) with ESMTP id h4DGq4110818; Tue, 13 May 2003 09:52:04 -0700 (PDT) Message-ID: <3EC122B3.3000301@isi.edu> Date: Tue, 13 May 2003 09:52:03 -0700 From: Lars Eggert Organization: USC Information Sciences Institute User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dag-Erling Smorgrav References: <200305131300.h4DD0Ecd059610@fledge.watson.org> In-Reply-To: Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms010407070903050804030006" cc: re@FreeBSD.org cc: current@FreeBSD.org Subject: Re: 5.1-RELEASE TODO 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: Tue, 13 May 2003 16:52:10 -0000 This is a cryptographically signed message in MIME format. --------------ms010407070903050804030006 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Dag-Erling Smorgrav wrote: > Robert Watson writes: > >> |-----------------+-------------+-------------+--------------------------| >> | Panic on | | | If a network device | >> | load/unload a | | | driver, possibly any | >> | kernel module | | | driver, is linked into | >> | for a driver | Patch | Maxime | the kernel and then | >> | already | submitted | Henrion | loaded and unloaded as a | >> | statically | | | module, the kernel will | >> | linked into the | | | panic. This has been | >> | kernel. | | | observed with both if_dc | >> | | | | and if_fxp. | >> |-----------------+-------------+-------------+--------------------------| > > I'm unable to reproduce this; kldload refuses to load a module which > is already present, and if you try to preload a driver which is > compiled into the kernel, the kernel will refuse to register it. I've seen panics like this happen with loading such duplicate modules via /boot/loader.conf (i.e. not with kldload from the console.) Is this what you mean by "preload"? It doesn't happen for all modules, but it does for some. I think I remember random.ko being one that caused problems, but I'm not sure, and can't test right now (away from the machine). 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