From owner-freebsd-current@FreeBSD.ORG Mon Feb 6 20:37:15 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 4F06516A420 for ; Mon, 6 Feb 2006 20:37:15 +0000 (GMT) (envelope-from Alexander@Leidinger.net) Received: from www.ebusiness-leidinger.de (jojo.ms-net.de [84.16.236.246]) by mx1.FreeBSD.org (Postfix) with ESMTP id F164043D6A for ; Mon, 6 Feb 2006 20:36:45 +0000 (GMT) (envelope-from Alexander@Leidinger.net) Received: from Andro-Beta.Leidinger.net (p54A5CD03.dip.t-dialin.net [84.165.205.3]) (authenticated bits=0) by www.ebusiness-leidinger.de (8.13.1/8.13.1) with ESMTP id k16KQ8rV055858; Mon, 6 Feb 2006 21:26:09 +0100 (CET) (envelope-from Alexander@Leidinger.net) Received: from Magellan.Leidinger.net (Magellan.Leidinger.net [192.168.1.1]) by Andro-Beta.Leidinger.net (8.13.3/8.13.3) with ESMTP id k16KaetO020613; Mon, 6 Feb 2006 21:36:41 +0100 (CET) (envelope-from Alexander@Leidinger.net) Date: Mon, 6 Feb 2006 21:36:42 +0100 From: Alexander Leidinger To: freebsd-current@freebsd.org, Watanabe Kazuhiro Message-ID: <20060206213642.1ef7a777@Magellan.Leidinger.net> In-Reply-To: <20060206125511.957BC1EF46@mail.asahi-net.or.jp> References: <20060206125511.957BC1EF46@mail.asahi-net.or.jp> X-Mailer: Sylpheed-Claws 2.0.0 (GTK+ 2.8.11; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new Cc: Subject: Re: Cannot boot the 7-current's GENERIC kernel on some old PCs (Pentium/P54C, DX4ODP) 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: Mon, 06 Feb 2006 20:37:15 -0000 Am Mon, 06 Feb 2006 21:55:21 +0900 schrieb Watanabe Kazuhiro : > Hi, all. > > I have some old PCs which CPU is Intel Pentium/P54C and DX4ODP. > They cannot boot the recent 7-current's GENERIC kernel. > > * NEC PC-9821Xa9 (CPU: Pentium/P54C, Memory: 64MB, pc98) > * NEC PC-9821As2 (CPU: DX4ODP, Memory: 42MB, pc98) > * Fujitsu FMV-575D4 (CPU: Pentium/P54C, Memory: 128MB, i386) > > They can boot 6.0-RELEASE, but cannot boot 7-current (CVSup'ed with > date=2006.01.26.00.00.00). [...] > But when I add a "options PQ_NOOPT" configulation option to the > GENERIC kernel configulation file and recompile it, this kernel is > able to boot on these PCs. > I think this is caused by the CPU cache detection functions in > sys/i386/i386/identcpu.c (but I have no idea to solve the problem). > These ware comitted at the end of December 2005. From src/UPDATING: This is strange, since it is supposed to fall back to default values if it can't detect a cache size. And the cache size detection is protected like every other use of the CPU features detection code. Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 WL http://www.amazon.de/exec/obidos/registry/1FZ4DTHQE9PQ8/ref=wl_em_to/