From owner-freebsd-current@FreeBSD.ORG Sun Apr 6 09:49:04 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 3FCF837B401 for ; Sun, 6 Apr 2003 09:49:04 -0700 (PDT) Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5156E43F75 for ; Sun, 6 Apr 2003 09:49:03 -0700 (PDT) (envelope-from des@ofug.org) Received: by flood.ping.uio.no (Postfix, from userid 2602) id DEDFD5309; Sun, 6 Apr 2003 18:49:00 +0200 (CEST) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: current@freebsd.org From: des@ofug.org (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) Date: Sun, 06 Apr 2003 18:49:00 +0200 Message-ID: User-Agent: Gnus/5.090015 (Oort Gnus v0.15) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Subject: weird fxp / timecounter interaction in top-of-tree 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: Sun, 06 Apr 2003 16:49:04 -0000 With a kernel built from sources only a few hours old (in the hopes of figuring out whether I could use the TSC in SMP mode), I hit a number of strange bugs in the fxp and / or miibus code: - trying to unload fxp after the interface has been configured with dhclient causes a panic near the top of fxp_txeof (of course, somebody has broken dumps again...) - loading the if_fxp module (and miibus as a dependency) switches the timecounter hardware to PIIX. - switching the timecounter hardware manually to PIIX when if_fxp and miibus are loaded causes the machine to lock up. DES --=20 Dag-Erling Sm=F8rgrav - des@ofug.org