From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC Date: Mon, 26 Nov 2007 23:08:33 +0100 Message-ID: <474B43E1.9080407@gmail.com> References: <20071120204525.ff27ac98.akpm@linux-foundation.org> <4743CC0B.9000508@linux.vnet.ibm.com> <20071120221839.faab108e.akpm@linux-foundation.org> <20071126143943.0a01665b@cuia.boston.redhat.com> <20071126123319.7483e57f.akpm@linux-foundation.org> <20071126204540.GA19874@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.188]:8133 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755194AbXKZWIk (ORCPT ); Mon, 26 Nov 2007 17:08:40 -0500 Received: by nf-out-0910.google.com with SMTP id g13so904877nfb for ; Mon, 26 Nov 2007 14:08:37 -0800 (PST) In-Reply-To: <20071126204540.GA19874@elte.hu> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Ingo Molnar Cc: Andrew Morton , Rik van Riel , kamalesh@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, apw@shadowen.org, balbir@linux.vnet.ibm.com, linux-acpi@vger.kernel.org, tglx@linutronix.de, Christoph Lameter On 11/26/2007 09:45 PM, Ingo Molnar wrote: > * Andrew Morton wrote: > >> On Mon, 26 Nov 2007 14:39:43 -0500 >> Rik van Riel wrote: >> >>> On Tue, 20 Nov 2007 22:18:39 -0800 >>> Andrew Morton wrote: >>> >>>>> ..MP-BIOS bug: 8254 timer not connected to IO-APIC >>>>> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter >>>> ACPI or x86 breakage, I guess. >>>> >>>> Did 'noapic' work? >>> I got the same bug as above, 'noapic' gets past that point >> We still don't know what caused this, afaik. > > yes. Is it a regression? If yes, could someone try to bisect it so that > we can fix it? If it's caused by x86.git then the 'mm' branch of the x86 > git tree can be used for bisection: > > git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git I did, but it's hard, if you don't know the BAD point. HEAD boots fine and 'x86: randomize brk' too (the top of git-x86.patch). Andrew, how do you pull it, git #mm doesn't fit to the ids from the patch. Maybe if you can emit a broken-out with the fresh pull to test? regards, -- Jiri Slaby (jirislaby@gmail.com) Faculty of Informatics, Masaryk University