From owner-freebsd-current@FreeBSD.ORG Sat Sep 25 05:41:45 2004 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 C6AFD16A4CE for ; Sat, 25 Sep 2004 05:41:45 +0000 (GMT) Received: from ylpvm29.prodigy.net (ylpvm29-ext.prodigy.net [207.115.57.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8163E43D41 for ; Sat, 25 Sep 2004 05:41:45 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.5.52] (adsl-64-171-186-250.dsl.snfc21.pacbell.net [64.171.186.250])i8P5fTIV012884; Sat, 25 Sep 2004 01:41:29 -0400 Message-ID: <41550518.6000105@root.org> Date: Fri, 24 Sep 2004 22:41:44 -0700 From: Nate Lawson User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040901) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Syphers References: <200409211736.i8LHajfK000463@mist.nodomain> <200409211206.03632.dsyphers@u.washington.edu> <200409240059.47087.dsyphers@u.washington.edu> <200409240132.33577.dsyphers@u.washington.edu> In-Reply-To: <200409240132.33577.dsyphers@u.washington.edu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-current@freebsd.org Subject: Re: 5.3-BETA5-i386-disc1 bootstrap failures 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: Sat, 25 Sep 2004 05:41:45 -0000 David Syphers wrote: > On Friday 24 September 2004 12:59 am, David Syphers wrote: > >>The list has been quiet about this, so I assume it's a rare problem. But >>I've got a couple questions about it. First, does anyone have any idea >>what's actually wrong? My computer is running -CURRENT from August 3 fine. >>(I don't have APIC in that kernel.) Anything having to do with ACPI is >>default. My computer is some generic HP, not quite three years old. More >>info available if it would help. > > > I just did one simple test I should have done first - it's APIC that's the > problem. Booting with ACPI disabled panics (even earlier than with nothing > disabled), but booting with hint.apic.0.disabled="1" gets me to the > installation screen. I thought this would be the case, as I currently run > ACPI with no problems. > > I actually have no idea what APIC is. I assume it's okay if I install with > that hint set, and then just compile a custom kernel with no APIC? But since > it's in GENERIC, I really don't think it should be panicking... It's always safe to use the system with APIC disabled. It only means that you may get less performance in UP systems or no MP support for MP systems. APIC is an advanced interrupt router. -Nate