From owner-freebsd-current@FreeBSD.ORG Tue Jun 22 21:00:21 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5D2201065672 for ; Tue, 22 Jun 2010 21:00:21 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from mail2.fluidhosting.com (mx21.fluidhosting.com [204.14.89.4]) by mx1.freebsd.org (Postfix) with ESMTP id DEE5D8FC21 for ; Tue, 22 Jun 2010 21:00:20 +0000 (UTC) Received: (qmail 20347 invoked by uid 399); 22 Jun 2010 21:00:19 -0000 Received: from localhost (HELO foreign.dougb.net) (dougb@dougbarton.us@127.0.0.1) by localhost with ESMTPAM; 22 Jun 2010 21:00:19 -0000 X-Originating-IP: 127.0.0.1 X-Sender: dougb@dougbarton.us Message-ID: <4C212460.1070200@FreeBSD.org> Date: Tue, 22 Jun 2010 14:00:16 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.9.1.10) Gecko/20100621 Thunderbird/3.0.5 MIME-Version: 1.0 To: Alexander Motin References: <4C211538.1040808@FreeBSD.org> <4C2115D2.5080504@FreeBSD.org> <4C2118D1.3080903@FreeBSD.org> In-Reply-To: <4C2118D1.3080903@FreeBSD.org> X-Enigmail-Version: 1.0.1 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-current@FreeBSD.org Subject: Re: Timer panic on boot (r209434) 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: Tue, 22 Jun 2010 21:00:21 -0000 On 06/22/10 13:10, Alexander Motin wrote: > Doug Barton wrote: >> On 06/22/10 12:55, Doug Barton wrote: >>> Howdy, >>> >>> I tried upgrading from r209351 to r209434 and got a panic related >>> to the timer stuff while booting. You can see the panic and the >>> backtrace here: >>> >>> http://people.freebsd.org/~dougb/timer-panic-1.jpg >>> http://people.freebsd.org/~dougb/timer-panic-2.jpg >>> http://people.freebsd.org/~dougb/timer-panic-3.jpg >> >> Hmmm, that could use a little more detail. :) I have a Dell laptop >> with a core 2 duo processor, running 9-current SMP i386. > > Your ACPI seems reports that attimer uses IRQ2, instead of usual > IRQ0. It is either a bug, or it is a very rare feature. > > I am not sure it is not a hack, but you may try attached patch. Ok, I updated to r209441, then applied your patch. FYI, I applied it in src/sys/x86/isa/ using -p2. This allowed me to boot, verbose dmesg is at http://people.freebsd.org/~dougb/dmesg-verbose-norid-patch.txt > If it helps, it would be nice it you tried to use i8254 event timer, > to check is this a bug or feature. Ok, I'm willing to give that a try if you tell me how. :) Doug -- ... and that's just a little bit of history repeating. -- Propellerheads Improve the effectiveness of your Internet presence with a domain name makeover! http://SupersetSolutions.com/